KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 1 ver. 1. 6 usb to serial description the kawasaki usb to serial enables your system to have the capability to communicate between the usb (universal serial bus) port and serial port peripherals. this device meets the usb 1.0/1.1 and standard serial port specifications. all the advantages of usb are available to peripherals with serial port interface such as plug and play capabilities. with the usb standard of high-speed data transfers, this device is ideal for connections to high-speed modems or isdn terminal adapters. kawasaki?s device and software enable the usb interface to be transparent to the peripheral and requires no firmware changes. this makes it possible for peripherals with serial interfaces to easily interface with usb with minimum modifications. this feature is ideal for legacy applications. features advanced 16 bit processor for usb transaction processing and control data processing compliant with the usb 1.0/1.1 (universal serial bus) serial port 230kbps 128 byte fifo plug and play compatible i 2 c interface utilizes low cost external crystal circuitry 1.5k x 16 internal ram buffer for fast communications debug uart for debug and code development usb host device drivers available single-chip solution in a 100 pin lqfp block diagram pll & clock generator 16 bit address / data bus 16 bit processor serial interface engine ram (3kb) timer 0 usb interface mask rom eeprom serial interface timer 1 vp vm clk x2 scl sda watchdog timer debug uart txd rxd dtr rts dcd dsr txd rxd cts ri serial interface (4) channel 1
KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 2 ver. 1. 6 usb to serial kl5kusb105 application block diagram pin diagram 100lqfp pin description optional external memory usb serial port serial device serial eeprom KL5KUSB115 usb serial 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 KL5KUSB115 100 lqfp vdd sda pu#1 n/c n/c n/c n/c n/c n/c n/c n/c npwr _dwn gnd uart1_txd uart1_rxd uart1_rts uart1_dtr uart1_cts uart1_dsr uart1_dcd uart1_ri ntxd gnd vp vm vdd n/c scl gnd vco_in cp_out vdd pllen nrxd n/c n/c n/c n/c n/c n/c n/c n/c n/c n/c n/c gnd clk x2 xa_15 vdd xa_7 xa_6 xa_5 xa_4 xa_3 xa_2 xa_1 gnd nntst nnreset nxromsel nxwr nxrd n/c n/c n/c n/c n/c n/c nxramsel gnd nxbhe xa_0 xa_14 vdd vdd xd_15 xd_14 gnd xd_13 xd_12 xd_11 xd_10 xd_9 xd_8 xd_7 xd_6 xd_5 xd_4 xd_3 xd_2 xd_1 xd_0 gnd xa_13 xa_12 xa_11 xa_10 xa_9 xa_8
KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 3 ver. 1. 6 usb to serial pin # lqfp i/o pin name description 1 vdd vdd 2 in/out sda* serial eeprom serial data. connect to eeprom/sda 3 in pu#1* pull up to usb +pin for high speed 4 n/c no connect 5 n/c no connect 6 n/c no connect 7 n/c no connect 8 n/c no connect 9 n/c no connect 10 n/c no connect 11 n/c no connect 12 out npwr_dwn* active low powerdown mode signal 13 gnd gnd 14 out uart1_txd* transmit data 15 in uart1_rxd* receive data 16 out uart1_rts* request to send 17 out uart1_dtr* data terminal ready 18 in uart1_cts* clear to send 19 in uart1_dsr* data set ready 20 in uart1_dcd* data carrier detect 21 in uart1_ri* ring indicate 22 out ntxd debug uart txd 23 gnd usb gnd 24 in/out vp usb + pin 25 in/out vm usb - pin 26 vdd usb vdd 27 in uart4_ri* ring indicate 28 out scl* serial eeprom clock. connect to eeprom/scl 29 gnd gnd 30 in vco_in pll vco in 31 out cp_out pll vco out 32 vdd vdd 33 in pllen* pll enable 34 in nrxd* debug uart rxd 35 n/c no connection 36 n/c no connection 37 n/c no connect 38 n/c no connect 39 n/c no connect 40 n/c no connect 41 n/c no connect 42 n/c no connect 43 n/c no connect 44 n/c no connect 45 n/c no connect 46 gnd gnd 47 in clk 12mhz clock/crystal input 48 out x2 12mhz crystal output
KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 4 ver. 1. 6 usb to serial pin # lqfp i/o pin name description 49 out xa_15 external address pin 50 vdd vdd 51 vdd vdd 52 out xa_14 external address pin 53 out xa_0 external address pin 54 out nxbhe external byte high enable (active low) 55 gnd gnd 56 out nxramsel external ram cs (active low) 57 n/c no connect 58 n/c no connect 59 n/c no connect 60 n/c no connect 61 n/c no connect 62 n/c no connect 63 out nxrd external memory read (active low) 64 out nxwr external memory write (active low) 65 out nxromsel external rom cs (active low) 66 in nnreset reset pin 67 in nntst* test pin, disconnect for normal operation 68 gnd gnd 69 out xa_1 external address pin 70 out xa_2 external address pin 71 out xa_3 external address pin 72 out xa_4 external address pin 73 out xa_5 external address pin 74 out xa_6 external address pin 75 out xa_7 external address pin 76 out xa_8 external address pin 77 out xa_9 external address pin 78 out xa_10 external address pin 79 out xa_11 external address pin 80 out xa_12 external address pin 81 out xa_13 external address pin 82 gnd gnd 83 in/out xd_0* external data pins 84 in/out xd_1* external data pins 85 in/out xd_2* external data pins 86 in/out xd_3* external data pins 87 in/out xd_4* external data pins 88 in/out xd_5* external data pins 89 in/out xd_6* external data pins 90 in/out xd_7* external data pins 91 in/out xd_8* external data pins 92 in/out xd_9* external data pins 93 in/out xd_10* external data pins 94 in/out xd_11* external data pins 95 in/out xd_12* external data pins 96 in/out xd_13* external data pins 97 gnd gnd
KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 5 ver. 1. 6 usb to serial pin # lqfp i/o pin name description 98 in/out xd_14* external data pins 99 in/out xd_15* external data pins 100 vdd vdd *pins are 5v tolerant. function description 16 bit processor the integrated 16 bit processor serves as a micro controller for usb peripherals. the processor can execute approximately five million instructions per second. with this processing power it allows the design of intelligent peripherals that can process data prior to passing it on to the host pc, thus improving overall performance of the system. the masked rom in the this device or external memory contains a specialized instruction set that has been designed for highly efficient coding of processing algorithms and usb transaction processing. the 16-bit processor is designed for efficient data execution by having direct access to the ram buffer, external memory, i/o interfaces, and all the control and status registers the processor supports prioritized vectored hardware interrupts and has as many as 240 software interrupt vectors. the processor provides six addressing modes, supporting memory-to-memory, memory-to- register, register-to-register, immediate-to-register or immediate-to-memory operations. register, direct, immediate, indirect, and indirect indexed addressing modes are supported. in addition, there is an auto-increment mode in which a register, used as an address pointer is automatically incremented after each use, making repetitive operations more efficient both from a programming and a performance standpoint. the processor features a full set of program control, logical, and integer arithmetic instructions. all instructions are sixteen bits wide, although some instructions require operands, which may occupy another one or two words. several special ? short immediate? instructions are available, so that certain frequently used operations with small constant operand will fit into a 16-bit instruction. the processor ? divide/multiply function the processor?s divide/multiply function contains all the instructions of the base processor that additionally includes integer divide and multiply instructions. a signed multiply instructions takes two 16-bit operands and returns a 32-bit result. a signed divide instruction divides a 32-bit operand by a 16-bit operand. ram buffer
KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 6 ver. 1. 6 usb to serial the usb controller contains internal buffer memory. the memory is used to buffer data and usb packets and accessed by the 16 bit processor and the sie. usb transactions are automatically routed to the memory buffer. the 16-bit processor has the ability to set up pointers and block sizes in buffer memory for usb transactions. data is read from the interface and is processed and packetized by the 16-bit i/o processor. pll clock generator the pll circuitry is provided to generate the internal 48mhz clock. this circuitry is designed to allow use of a low cost 12 mhz external crystal which is connected to clk and x2. if an external 12 mhz clock is available in the application, it may be used in lieu of the crystal circuit and connected directly to the clk input pin. usb interface the usb controller meets the universal serial bus (usb) specification ver 1.0/1.1. the transceiver is capable of transmitting and receiving serial data at the usb?s full speed, 12 mbits/sec data rate. the driver portion of the transceiver is differential, while the receive section is comprised of a differential receiver and two single ended receivers. internally, the transceiver interfaces to the sie logic. externally, the transceiver connects to the physical layer of the usb. uart serial interface one uart serial port is provided. the port can be configured for a wide selection of baud rates, 300 to 230.4 k baud, and support a set of control signals. the uart provides a means for external serial devices to access the usb. debug uart an independent uart serial port is provided for debug and code development. the port can be configured for a wide selection of baud rates, 7200 to 115.2k baud. the port provides transmit and receive data support only. serial eeprom support the usb controller serial interface is used to provide access to external eeprom?s. the interface can support a variety of serial eeprom formats.
KL5KUSB115 kawasaki lsi 2570 north first street suite 301 san jose, ca 95131 tel: (408) 570-0555 fax: (408) 570-0567 www.klsi.com 7 ver. 1. 6 usb to serial electrical characteristics absolute maximum ratings parameter symbol ratings unit supply voltage v dd -0.3 to 4.0 v v in (normal) -0.3 to v dd +0.3 v input voltage v in (5v tolerant) -0.3 to 6.0 v storage temperature tstg -55 to 125 c dc characteristics and conditions (v dd @ 3.3v .3v) value symbol parameter condition min typ max unit v dd supply voltage 3.0 3.3 3.6 v v ih input high voltage 2.0 - - v v il input low voltage - - 0.8 v v+ * input high voltage schmitt - 1.8 2.3 v v- * input low voltage schmitt 0.5 0.9 - v v h * hysteresis voltage schmitt 0.4 - - v i ih input high current v in = v dd -10 - 10 m a i il input low current v in = v ss -10 - 10 m a v oh output high voltage 2.4 - - v v ol output low voltage - - 0.4 v v oh =v ss -10 - 10 m a i oz 3-state leakage current v ol =v dd -10 - -10 m a *for reset pin ( nnreset, pin 66) january 1999 copyright 1999 kawasaki lsi printed in u.s.a kawasaki lsi assumes no responsibility or liability for (1) any errors or inaccuracies contained in the information herein and (2) the use of the information or a portion thereof in any application, including any claim for (a) copyright or patent infringement or (b) direct, indirect, special or consequential damages. there are no warranties extended or granted by this document. the information herein is subject to change without notice form kawasaki lsi
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