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IE-784038-R-EM1 i/o emulation board 1996 document no. u11383ej1v0um00 (1st edition) date published june 1996 p printed in japan
the information in this document is subject to change without notice. no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec corporation. nec corporation assumes no responsibility for any errors which may appear in this document. nec corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. no license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec corporation or of others. this device is a class i information processing device (an information processing device for use in a commercial or industrial area). it complies with the standards set by the conference on the voluntary control of radio interference (vcci), which are intended to prevent radio wave interference in commercial and industrial areas. if used in a residential area or area adjacent to such as area, it may interfere with radio and television receivers. please comply with the user's manual and handle this device appropriately.
introduction general product description: the IE-784038-R-EM1 board connects to the ie-784000-r-em board, and these insert into the ie- 784000-r cabinet. the IE-784038-R-EM1 board is used to debug the m pd784038/ m pd784038y subseries note of 16/8-bit single-chip microcontrollers. note m pd784038 subseries : m pd784031, m pd784035, m pd784036, m pd784037, m pd784038, and m pd78p4038 m pd784038y subseries : m pd784031y, m pd784035y, m pd784036y, m pd784037y, m pd784038y, and m pd78p4038y remark the m pd784038 and m pd784038y subseries are under development. target users: this manual is intended for engineers who plan to develop a system containing the m pd784038/ m pd784038y subseries 16/8-bit single-chip microcontroller and want to debug the system using ie-784000-r and ie-784000-r-em in combination with the IE-784038-R-EM1. in addition, it is also intended for engineers who wish to use other in-circuit emulators by providing them with the same functions as the ie-784000-r. therefore, this manual assumes that the readers will be well-versed in the functions and methods of using the m pd784038/ m pd784038y subseries of microcontrollers and have the expertise of those who do debugging. objectives: the objectives of this manual are to provide an understanding of the methods of connecting the IE-784038-R-EM1 to the ie-784000-r-em and the ie-784000-r as well as the methods of making settings when debugging the m pd784038/ m pd784038y subseries of microcontrollers. organization: the manuals describing how to use the ie-784000-r are the manual that comes with the ie-784038- r-em1 (this manual) and the manual that comes with the ie-784000-r. IE-784038-R-EM1 ie-784000-r users manual users manual system configuration basic specifications external interface functions system configuration to the ie-784000-r connection methods how to read this manual: to obtain a general understanding of the IE-784038-R-EM1 functions, read this manual in the same sequence as the table of contents. for an understanding of the specifications, read the general description in chapter 1 . to examine the settings for connecting the IE-784038-R-EM1 to the ie-784000-r and debugging the m pd784038/ m pd784038y subseries devices, read the installation procedures in chapter 2 .
terminology: the special terms used in the manual are defined in the following table: term definition emulation device a generic term for devices in the emulator that are to be emulated. this includes the emulation cpu. emulation cpu the cpu portion of the emulator that executes the user-created program. target device the device whose operation is emulated (the actual device). target program the program that is to be debugged (a user-created program). target system the system that is the subject of debugging (a user-created system). this includes the target program and the hardware created by the user. the narrow definition refers only to the hardware. legend: (1) the term note placed in the text indicates that an explanation will be provided somewhere below. (2) the term caution indicates an explanation that the reader should pay particular attention to. (3) the term remark indicates that a supplemental explanation of the text will be provided.
- i - contents chapter 1 general description ......................................................................................... 1 1.1 characteristics .......................................................................................................... ............................. 1 1.2 packing list ............................................................................................................. ............................... 1 1.3 name of components ....................................................................................................... ..................... 3 1.4 target devices ........................................................................................................... ............................ 4 1.5 emulation probe .......................................................................................................... .......................... 4 1.6 precautions .............................................................................................................. .............................. 4 chapter 2 installation procedures ................................................................................ 5 2.1 insertion in the ie-784000-r ............................................................................................. ..................... 5 2.2 connecting to the target system .......................................................................................... .............. 8 2.3 no connection to the target system ....................................................................................... ............ 9 chapter 3 setting the user clock .................................................................................. 11 3.1 setting the operating clock .............................................................................................. .................... 11 3.2 installing the crystal oscillator ........................................................................................ .................... 12 3.3 supplying a clock from the target system ................................................................................. ....... 14 chapter 4 startup ........................................................................................................... .......... 17 chapter 5 differences between the in-circuit emulator and the target device .................................................................................... 19 appendix a product specifications .................................................................................. 23 appendix b cn1 and emulation probe pins .................................................................. 25 appendix c jumper switch settings ................................................................................. 27
[memo]
1 chapter 1 general description chapter 1 general description the IE-784038-R-EM1 is the i/o emulation board for the m pd784038/ m pd784038y subseries 16/8-bit single-chip microcontroller. the IE-784038-R-EM1 and emulation probe (ep-78230gc-r/ep-78054gk-r) can be used in combination with the ie-784000-r and ie-784000-r-em for the efficient debugging and operational confirmation of systems using the m pd784038/ m pd784038y subseries of microcontrollers. 1.1 characteristics the characteristics of the IE-784038-R-EM1 when combined with the ie-784000-r-em and the ie-784000-r are as follows: (1) the peripheral functions (i/o ports, etc.) of the m pd784038/ m pd784038y subseries devices can be emulated. (2) a cpu operation clock can be provided. 1.2 packing list the IE-784038-R-EM1 board consists of the components indicated below. be sure to check the content of the package. (1) one IE-784038-R-EM1 board (2) one users manual (this manual) caution the dedicated devices (peripheral emulation devices) for emulating the peripheral functions (i/o ports, etc.) of the target device are on the IE-784038-R-EM1.
2 chapter 1 general description figure 1-1. IE-784038-R-EM1 board configuration (1) IE-784038-R-EM1 front back
3 chapter 1 general description (2) users manual (this manual) 00000000000000000 00000000000000000 user? manual IE-784038-R-EM1 i/o emulation board 1.3 name of components table 1-1 shows the names of the components, for instance, the connectors. table 1-1. IE-784038-R-EM1 component names name function cn1 emulation probe connector pj1 emulation board connector pj2 tgcn1 not used tgcn2 ic9 peripheral emulation device mounting socket remark emulation probe: ep-78230gc-r, ep-78054gk-r
4 chapter 1 general description 1.4 target devices the following devices of the m pd784038/ m pd784038y subseries can be emulated by using the ie-784000-r-em and the ie-784000-r in combination with the IE-784038-R-EM1: m pd784038 subseries m pd784038y subseries ? m pd784031 ? m pd784031y ? m pd784035 ? m pd784035y ? m pd784036 ? m pd784036y ? m pd784037 ? m pd784037y ? m pd784038 ? m pd784038y ? m pd78p4038 ? m pd78p4038y 1.5 emulation probe the emulation probe is sold separately. part number ep-78230gc-r (for 80-pin qfp : 14 14 mm) ep-78054gk-r (for 80-pin tqfp : 12 12 mm) 1.6 precautions (1) turn the ie-784000-r and the target system power supplies off when connecting or disconnecting the ie-784038- r-em1, ie-784000-r, ie-784000-r-em or the target system. (2) be aware that there are differences in the pin characteristics when the IE-784038-R-EM1 is connected to the ie-784000-r and ie-784000-r-em to emulate the target device. (see the section concerning the differences with the target device in chapter 5 .) (3) connect the IE-784038-R-EM1 appropriately to the ie-784000-r-em. (4) insert the ie-784000-r-em appropriately in the ie-784000-r cabinet.
5 chapter 2 installation procedures chapter 2 installation procedures 2.1 insertion in the ie-784000-r figure 2-1 shows a conceptual drawing for setting up the ie-784000-r. figure 2-1. ie-784000-r installation emulation probe ie-784000-r cover ie-784000-r-em board (sold separately) IE-784038-R-EM1 ie-784000-r cabinet
6 chapter 2 installation procedures <1> setting the user clock refer to the section on the user clock setting in chapter 3 . <2> jumper switch confirmation confirm that the IE-784038-R-EM1 jumper switch is open by referring to the section on jumper switch settings in appendix c . <3> connecting the IE-784038-R-EM1 to the ie-784000-r-em connect the pj1 and pj2 connectors on the ie-784000-r-em board to connectors pj1 and pj2 on the ie- 784038-r-em1 board. figure 2-2. connecting IE-784038-R-EM1 and ie-784000-r-em IE-784038-R-EM1 ie-784000-r-em pj2 pj1 pj1 pj2
7 chapter 2 installation procedures <4> removing the top cover remove the six screws from the top of the cabinet shown in figure 2-3 . then remove the top cover. figure 2-3. removing the top cover of the ie-784000-r <5> insert the ie-784000-r-em and the IE-784038-R-EM1 into the second and third slots (see figure 2-4 ) of the ie-784000-r, respectively. then, replace the top cover and tighten it down with the screws. figure 2-4. inserting the ie-784000-r-em and IE-784038-R-EM1 boards in the ie-784000-r ie-784000-r-em in the second slot IE-784038-R-EM1 in the third slot ie-784000-r-bk (performance board) in the fourth slot power switch ie-784000-r-bk (event tracing board) in the fifth slot supervisor board ( fixed )
8 chapter 2 installation procedures 2.2 connecting to the target system to connect the ie-784000-r and the target system, use the ep-78230gc-r or ep-78054gk-r emulation probe, which is sold separately. figure 2-5. connecting the ep-78230gc-r to the target system 21 20 1 80 40 60 61 41 in-circuit emulator external sensing clips grounding clip 80-pin gc cut-out conversion socket (ev-9200gc-80) target system
9 chapter 2 installation procedures figure 2-6. connecting the ep-78054gk-r to the target system 2.3 no connection to the target system the ie-784000-r can be started up even when it is not connected to the target system. 40 41 60 21 20 1 80 61 in-circuit emulator external sensing clips target system cut-out conversion adapter (ev-9500gk-80) cut-out 80-pin gk grounding clip
10 chapter 2 installation procedures [memo]
11 chapter 3 setting the user clock chapter 3 setting the user clock in the case of the ie-784000-r, as long as the settings of the clock are not changed, the dedicated clock on the IE-784038-R-EM1 board will be supplied to the emulation device. when operating with the target system oscillating clock or with an optional clock, the clock ic socket (ic3 opck) must be selected and the debugger must be used to select the user-selected clock. for the methods of making settings using the debugger, refer to the id78k/4 integrated debugger users manual . for operation with the target system oscillating clock or a clock with a user-specified frequency, refer to the appropriate sections in this chapter. 3.1 setting the operating clock using the ie-784000-r, the following operating clock settings are possible: (1) operation with the dedicated clock on the IE-784038-R-EM1 board when the debugger is used to select the clock within the emulator, the dedicated clock (32 mhz) on the emulator board will be supplied to the emulation device. this mode is entered after the ie-784000-r power is turned on. (2) operation with an optional clock on the IE-784038-R-EM1 board a crystal oscillator of the same frequency as the clock supplied to the target device is inserted in the clock ic socket (ic3 opck) on the IE-784038-R-EM1 board. then, the debugger is used to select the user clock settings, and an optional clock that is determined by the oscillator in the clock ic socket is supplied to the emulation device. (a maximum 32-mhz crystal oscillator can be used.) for details, refer to installing the crystal oscillator in 3.2 . (3) operation of the oscillating clock on the target system by inserting the 74hc04 cmos ic in the clock ic socket (ic3 opck) on the emulation board and using the debugger to select user clock settings, the square-wave clock supplied from the target system will be supplied to the emulation device. for details, refer to supplying a clock from the target system in 3.3 . for connection information, refer to installation procedures in chapter 2 . caution it is prohibited to perform an emulation in which oscillation is obtained by directly connecting a crystal resonator or ceramic resonator into the x1 and x2 pins of the target device. when using a frequency other than 32 mhz, provide an oscillating frequency clock that is actually employed using the method in (2) above.
12 chapter 3 setting the user clock 3.2 installing the crystal oscillator procedures: <1> ready an IE-784038-R-EM1 board. <2> for shipment, the 74hc04 is inserted in the IE-784038-R-EM1 clock ic socket (ic3 opck). remove it. <3> install the crystal oscillator (max. 32 mhz) to the clock ic socket (ic3 opck) on the IE-784038-R-EM1. insert the pins of the crystal oscillator into the clock ic socket as indicated in the table below. figure 3-1. clock ic location on the IE-784038-R-EM1 board 1 2 3 4 5 6 7 14 13 12 11 10 9 8 nc gnd v cc clock out [crystal oscillator] [ic socket] ic3 opck crystal oscillator pin nc gnd clock out v cc socket pin number 1 7 8 14
13 chapter 3 setting the user clock when the user clock setting is selected using the debugger, the following circuit will be formed and a clock will be supplied from the crystal oscillator to the emulation device in the ie-784000-r-em. figure 3-2. IE-784038-R-EM1 clock supply diagram v cc filter 4.7 k vhc244 selector als157 clock in (to emulation device) clock in the IE-784038-R-EM1 clock ic socket
14 chapter 3 setting the user clock 3.3 supplying a clock from the target system the 74hc04 cmos ic is inserted in the IE-784038-R-EM1 clock ic socket (ic3 opck) for shipment. if the user clock setting is selected using the debugger, the following circuit will be formed and a clock will be supplied from the target system to the ie-784000-r-em emulation devices. figure 3-3. IE-784038-R-EM1 clock supply diagram caution a clock cannot be supplied from a crystal resonator or a ceramic resonator that is connected to the x1 and x2 pins of the target system. if the 74hc04 is removed for some reason, such as a change in the operating clock, make the setting as indicated below: procedures: <1> ready an IE-784038-R-EM1. <2> insert a 74hc04 in the IE-784038-R-EM1 clock ic socket (ic3 opck) paying close attention so that the number 1 pin marks match. lv cc v cc v cc 4.7 k 4.7 k 4.7 k vhc244 filter selector als157 hc04 ac04 as04 2 clock in (to emulation device) target system 1 (to target clock) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 [ic socket] ic3 opck 1 2 3 4 5 6 7 14 13 12 11 10 9 8 [74hc04]
15 chapter 3 setting the user clock figure 3-4. clock ic location on the IE-784038-R-EM1 board japan d74hc04
16 chapter 3 setting the user clock [memo]
17 chapter 4 startup chapter 4 startup as for the method of startup, after connecting the board to the host computer, refer to the id78k4 integrated debugger users manual . if the startup does not go well, make confirmation by referring to this document or the ie-784000-r users manual .
18 chapter 4 startup [memo]
19 chapter 5 differences between the in-circuit emulator and the target device chapter 5 differences between the in-circuit emulator and the target device because this in-circuit emulator emulates through the emulation cpu and the peripheral emulation devices, there are differences in pin characteristics.
20 chapter 5 differences between the in-circuit emulator and the target device figure 5-1. equivalent circuits of the port pin emulation circuits (1 of 3) p00 p07 p10 p17 p20 p21 p27 p30 p37 p40 p47 p50 p57 p00 p07 p10 p17 p20 p21 p27 p30 p37 p40 p47 p50 p57 27 1 m 27 1 m 27 1 m 27 1 m 27 1 m 27 1 m 27 1 m pal nmi mask1 emulation board qd IE-784038-R-EM1 side (emulation device) probe side (target system)
21 chapter 5 differences between the in-circuit emulator and the target device figure 5-1. equivalent circuits of the port pin emulation circuits (2 of 3) p60 p67 p60 p67 27 1 m IE-784038-R-EM1 side (emulation device) probe side (target system) p70 p77 ckin p70 p77 astb x2 x1 astb v cc v cc lv cc 1/2 vhc244 32 mhz opck v cc hc04 or clock module (socket mounted) 4.7 k 4.7 k 27 als157 als157 4.7 k filter 4.7 k as04 2 as04 2 ac04 selector selector
22 chapter 5 differences between the in-circuit emulator and the target device figure 5-1. equivalent circuits of the port pin emulation circuits (3 of 3) av dd v dd av dd v dd av ss av ref1 av ref2 av ref3 av ref1 av ref2 av ref3 test test ano0 ano1 ano0 ano1 v ss v ss reset reset 27 v cc lv cc mask signal reset mask1 vhc244 act244 as244 hc125 4.7 k 4.7 k mach av ss nc regulator open IE-784038-R-EM1 side (emulation device) probe side (target system)
23 appendix a product specifications appendix a product specifications part number : IE-784038-R-EM1 operating temperature : 10 c to 40 c (without condensation) humidity : 10% to 80% (without condensation) storage temperature : C15 c to +45 c (without condensation) power supply : +3.0 v to +5.5 v (supplied from the ie-784000-r) printed circuit board dimensions : 305 mm 149 mm connectors : pj1 emulation board connector pj2 cn1 emulation probe connector
24 appendix a product specifications [memo]
25 appendix b cn1 and emulation probe pins appendix b cn1 and emulation probe pins the following table shows the correspondence between cn1 and emulation probe pins. table b-1. cn1 and emulation probe (ep-78230gc-r/ep-78054gk-r) pin correspondence 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 gnd gnd ext0 ext1 ext2 ext3 ext4 ext5 ext6 ext7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 15 16 17 18 19 20 21 nc nc 30 29 28 27 26 25 24 23 22 40 39 38 37 36 35 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 34 33 32 31 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 61 nc nc 70 69 68 67 66 65 64 63 62 80 79 78 77 76 75 74 73 72 71 gnd gnd cn1 pin no. emulation probe cn1 pin no. cn1 pin no. cn1 pin no. emulation probe emulation probe emulation probe
26 appendix b cn1 and emulation probe pins [memo]
27 appendix c jumper switch settings appendix c jumper switch settings set the jumper switch leaving open. short open 4038 4026 IE-784038-R-EM1
28 appendix c jumper switch settings [memo]
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