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EKK6511 rf keyboard encoder product specification d oc . v ersion 1.0 elan microelectronics corp. november 2002
trademark acknowledgments: ibm is a registered trademark and ps/2 is a trademark of ibm. windows is a trademark of microsoft corporation. elan and elan logo are trademarks of elan microelectronics corporation. copyright ? 2005 by elan microelectronics corporation all rights reserved printed in taiwan the contents of this specification are subject to change without further notice. elan microelectronics assumes no responsibility concerning the accuracy, adequacy, or completeness of this specification. elan microelectronics makes no commitment to update, or to keep current the information and material contained in this specification. such informa tion and material may change to conform to each confirmed order. in no event shall elan microelectronics be made responsib le for any claims attributed to errors, omissions, or other inaccuracies in the information or material contained in this specification. elan microelectronics shall not be liable for direct, indirect, special incidental, or consequential damages arising from the use of such information or material. the software (if any) described in this specification is furnished under a license or nondisclosure agreement, and may be used or copied only in accordance with the terms of such agreement. elan microelectronics products are not intended for use in life support appliances, devices, or systems. use of elan microelectronics product in such applications is not supported and is prohibited. no part of this specification may be reproduced or transmitted in any form or by any means without the expressed written permission of elan microelectronics. elan microelectronics corporation headquarters: no. 12, innovation road 1 hsinchu science park hsinchu, taiwan 30077 tel : +886 3 563-9977 fax : +886 3 563-9966 http : //www.emc.com.tw hong kong: elan (hk) microelectronics corporation, ltd. rm. 1005b, 10/f empire centre 68 mody road, tsimshatsui kowloon , hong kong tel : +852 2723-3376 fax : +852 2723-7780 elanhk@emc.com.hk usa: elan information technology group 1821 saratoga ave., suite 250 saratoga, ca 95070 usa tel : +1 408 366-8223 fax : +1 408 366-8220 europe: elan microelectronics corp. (europe) siewerdtstrasse 105 8050 zurich, switzerland tel : +41 43 299-4060 fax : +41 43 299-4079 http : //www.elan-europe.com shenzhen: elan microelectronics shenzhen, ltd. ssmec bldg., 3f, gaoxin s. ave. shenzhen hi-tech industrial park shenzhen, guandong, china tel : +86 755 2601-0565 fax : +86 755 2601-0500 shanghai: elan microelectronics shanghai corporation, ltd. 23/bldg. #115 lane 572, bibo roa d zhangjiang hi-tech park shanghai, china tel : +86 021 5080-3866 fax : +86 021 5080-4600
contents product specification (v1.0) 11.15.2002 ? iii contents 1 general description .................................................................................................. 1 2 features ..................................................................................................................... 1 3 application................................................................................................................. 2 4 pin assignment ......................................................................................................... 2 5 pin descriptions........................................................................................................ 3 6 function description ................................................................................................ 4 6.1 encoder buffer ................................................................................................... 4 6.2 device id............................................................................................................ 4 7 absolute maximum ratings ..................................................................................... 4 8 dc electrical characteristics ................................................................................... 5 9 ac electrical characteristic(ta=0
~70
, vdd=5v, vss=0v) ................................ 5 10 application circuit .................................................................................................... 6 11 keyboard arrange map............................................................................................. 8 12 keyboard layout ....................................................................................................... 9
contents iv ? product specification (v1.0) 11.15.2002 specification revision history doc. version revision description date 1.0 preliminary version 2002/11/15
EKK6511 rf keyboard encoder product specification (v1.0) 11.15.2002 ? 1 (this specification is subject to change without further notice) 1 general description in rf keyboard system, that is divided into two parts (the transmitter and the receiver). the EKK6511 micro-controller is dedicated to a rf keyboard encoder for single channel rf transmitter module. the EKK6511 is scanning keyboard state, encode key data and rely on rf tx module to transmit data. 3'5y .pevmf ,fzcpbse 3'3y .pevmf f,, *#.$pnqbujcmf 3fdfjwfs 14 f,, 5sbotnjuufs 3' 2 features low cost ? eliminate need external components. phantom key detect. resonator oscillator (2.00 mhz) low power cmos device technology internal pull-up resistor. tri-state outputs for easy board application. built-in 4k rom. support windowstm 95, 98, 2000 keys. 104/107 keys with multi-media or other special keyboard encoder. support rf transmit module sleep mode (sleep current under 10a). warm-up time of rf tx modules: 7.2 sec using the device id to identify which receiver was connected. dip switch to select. (8 sets id) random generate id (255 sets id ) and store in eeprom (93lc46) package: 40-pins pdip, 44-pins qfp
EKK6511 rf keyboard encoder 2 ? product specification (v1.0) 11.15.2002 (this specification is subject to change without further notice) 3 application support the single channel or two channels rf transmitter module. ibm pc at or compatible machine keyboard. ibm ps/2 model 30,50,60,80 or co mpatible machine keyboard. japanese keyboard. korean keyboard. brazilian keyboard. european keyboard. 4 pin assignment EKK6511q u1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 21 33 32 31 30 29 28 27 26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 do/id2 conn rfc txd c1 c2 c3 c4 c5 c6 c7 c14 c13 c12 c11 c15 nc c10 c8 c9 c16 c0 nc nc r7 r6 r5 r4 r3 r2 r1 r0 c17 sk/id1 di/id0 /int vss osco r-osci vdd nc nc nc cs u2 EKK6511p 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 vss /int di/id0 sk/id1 do/id2 conn rfc txd c1 c2 c3 c4 c5 c6 c7 c14 c13 c12 c11 c15 osco r-osci vdd cs nc nc r7 r6 r5 r4 r3 r2 r1 r0 c17 c16 c0 c9 c8 c10
EKK6511 rf keyboard encoder product specification (v1.0) 11.15.2002 ? 3 (this specification is subject to change without further notice) 5 pin descriptions symbol i / o function p50 o column 3 low output scan line, 3-state p51 o column 4 low output scan line, 3-state p52 o column 5 low output scan line, 3-state p53 o column 6 low output scan line, 3-state p54 o column 7 low output scan line, 3-state p55 o column 14 low output scan line, 3-state p56 o column 13 low output scan line, 3-state p57 o column 12 low output scan line, 3-state p80 o column 11 low output scan line, 3-state p81 o column 15 low output scan line, 3-state p82 o column 10 low output scan line, 3-state p83 o column 8 low output scan line, 3-state p84 o column 9 low output scan line, 3-state p85 o column 0 low output scan line, 3-state p86 o column 16 low output scan line, 3-state p87 o column 17 low output scan line, 3-state p91 o switch dip control line or random id connect bottom p90 i switch dip for device id bit 2 or connect with do pin of eeprom p70 o connect with cs pin of eeprom p74 i / o switch dip for device id bit 1 or connect with sk pin of eeprom p75 i / o switch dip for device id bi t 0 or connect with di pin of eeprom p92 o control line for rf transmitter module p93 o data output for rf transmitter module connection p94 o column 1 low output scan line, 3-state p95 o column 2 low output scan line, 3-state vss i ground p60 i row 0 input scan line, internal pull high (17k ? ) p61 i row 1 input scan line, internal pull high (17k ? ) p62 i row 2 input scan line, internal pull high (17k ? ) p63 i row 3 input scan line, internal pull high (17k ? ) p64 i row 4 input scan line, internal pull high (17k ? ) p65 i row 5 input scan line, internal pull high (17k ? ) p66 i row 6 input scan line, internal pull high (17k ? ) p67 i row 7 input scan line, internal pull high (17k ? ) vdd i +3v battery power supply osco o clock output osci i connect with 2.00mhz resonator oscillation
EKK6511 rf keyboard encoder 4 ? product specification (v1.0) 11.15.2002 (this specification is subject to change without further notice) 6 function description 6.1 encoder buffer the EKK6511 will buffer 24 bytes first-in-first -out order when the system is able to receive scan codes from the keyboard. the EKK6511 generate rf data frame according to fifo and keyboard status. t hen, modulation the data frame into serial signal to rf tx module. when key pressed, the EKK6511 will generate a make code into fifo. if key not released, EKK6511 will generate a make code into fifo every 200ms. when key released, the EKK6511 will generate a break code into fifo. 6.2 device id the EKK6511 has support two device id mode: controllable id mode: using the 3 bits dip switch to control the device id. random generate id mode: using the push bottom to generates a random device id (255 sets) and restores in eeprom ( 93lc46). the EKK6511 will broadcast 10 seconds the new device id after push bo ttom released. when battery exchange or reset, the device id will recovery from eeprom. 7 absolute maximum ratings parameter sym. ratings temperature under bias topr 0
to 70
storage temperature tstr -65
to 150
input voltage vin -0.3v to +6v output voltage vout -0.3v to +6v
EKK6511 rf keyboard encoder product specification (v1.0) 11.15.2002 ? 5 (this specification is subject to change without further notice) 8 dc electrical characteristics symbol parameter condition min. typ. max. unit i il input leakage current v in =v dd , v ss 1 ma v ih input high voltage 2.0 v v il input low voltage 0.8 v v ihx clock input high voltage osci 3.5 v v ilx clock input low voltage osci 1.5 v v oh1 output high voltage (ports 5,6,8,9 and p74,p75) i oh =-12.0ma 2.4 v v oh2 output high voltage (p70~p72)(s7=0) i oh =-10.0ma 2 v v oh3 output high voltage (p70~p72)(s7=0) i oh =-10.0ma 2.4 v v ol1 output low voltage (ports 5,6,8,9 and p74~p75) i ol =5.0ma 0.4 v v ol2 output low voltage (p70~p72)(s7=0) i ol =12.0ma 0.4 v v ol3 output low voltage (p70~p72)(s7=1)(p76~p77) i ol =10.0ma 3 v i ph pull-high current pull-high active, input pin at v ss -250 -400 -500 a i sb power-down current all input and i/o pin at v dd , output pin floating, wdt enabled 10 ma i cc1 operating supply current (v dd =5.0v) at two cycles/two clocks /reset=high fosc=2.00mhz(ck2=?0?), output pin floating 3 ma 9 ac electrical characteristic(ta=0
~70
, vdd=5v, vss=0v) symbol parameter condition min. typ. max. unit d clk input clk duty cycle 45 50 55 % t tcc tcc input period (tins+20)/n ns t wdt watchdog timer period ta = 2 5
18 ns t drh device reset hold period ta = 2 5
18 ns
EKK6511 rf keyboard encoder 6 ? product specification (v1.0) 11.15.2002 (this specification is subject to change without further notice) 10 application circuit s1 s3 EKK6511q u5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 21 33 32 31 30 29 28 27 26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 do/id2 conn rfc txd c1 c2 c3 c4 c5 c6 c7 c14 c13 c12 c11 c15 nc c10 c8 c9 c16 c0 nc nc r7 r6 r5 r4 r3 r2 r1 r0 c17 sk/id1 di/id0 /int vss osco r-osci vdd nc nc nc cs s16 s17 r5 s5 rf control s11 s14 s4 sw3 device id 20pf s2 r1 vcc s7 s15 r4 r3 s10 20pf 2.00mhz r2 s6 s0 --- battery(1.5vx2) s13 r0 r7 r6 rf data s12 s8 s9 s13 s1 s15 s4 s10 vcc s2 s16 r7 s5 s7 s6 20pf 2.00mhz r1 s17 rf control sw3 device id s3 20pf --- battery(1.5vx2) r3 s12 r4 s0 s8 rf data vcc s9 r6 s11 r2 u4 EKK6511p 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 vss /int di/id0 sk/id1 do/id2 conn rfc txd c1 c2 c3 c4 c5 c6 c7 c14 c13 c12 c11 c15 osco r-osci vdd cs nc nc r7 r6 r5 r4 r3 r2 r1 r0 c17 c16 c0 c9 c8 c10 s14 r5 r0 fig.1 dip switch id mode
EKK6511 rf keyboard encoder product specification (v1.0) 11.15.2002 ? 7 (this specification is subject to change without further notice) rf control vcc s13 r4 r5 r7 20pf s3 r6 s9 20pf 2.00mhz r0 r1 s4 100kohm s0 s10 u3 93c46 1 2 3 4 8 7 6 5 cs sk di do vcc dc org gnd --- battery(1.5vx2) s17 s2 s7 s14 r2 rf data connect 560kohm r3 s1 s11 s16 EKK6511q u5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 21 33 32 31 30 29 28 27 26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 do/id2 conn rfc txd c1 c2 c3 c4 c5 c6 c7 c14 c13 c12 c11 c15 nc c10 c8 c9 c16 c0 nc nc r7 r6 r5 r4 r3 r2 r1 r0 c17 sk/id1 di/id0 /int vss osco r-osci vdd nc nc nc cs s5 s12 s8 s15 s6 560kohm u3 EKK6511p 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 vss /int di/id0 sk/id1 do/id2 conn rfc txd c1 c2 c3 c4 c5 c6 c7 c14 c13 c12 c11 c15 osco r-osci vdd cs nc nc r7 r6 r5 r4 r3 r2 r1 r0 c17 c16 c0 c9 c8 c10 s12 s1 r5 s2 s7 s16 r2 560kohm s4 93c46 1 2 3 4 8 7 6 5 cs sk di do vcc dc org gnd s15 r1 s11 --- battery(1.5vx2) s9 r3 connect s0 s17 r7 r4 s14 2.00mhz 20pf vcc s8 s10 vcc r6 s13 vcc s6 20pf rf control s3 s5 r0 rf data fig.2 random generate id mode
EKK6511 rf keyboard encoder 8 ? product specification (v1.0) 11.15.2002 (this specification is subject to change without further notice) 11 keyboard arrange map r0 r1 r2 r3 r4 r5 r6 r7 c0 pause power sleep ctrl-r wake up ctrl-l f5 126 064 058 116 c1 q tab a esc z n-chg ` ( ~ ) 1 ( ! ) 017 016 031 110 046 131 001 002 c2 w cap s k45 x chg f1 2 ( @ ) 018 030 032 045 047 132 112 003 c3 e f3 d f4 c roma f2 3 ( # ) 019 114 033 115 048 133 113 004 c4 r t f g v b 5 ( % ) 4 ( $ ) 020 021 034 035 049 050 006 005 c5 u y j h m n 6 ( ^ ) 7 ( & ) 023 022 037 036 052 051 007 008 c6 i ] ( } ) k f6 , ( < ) k56 +' ( = ) 8 ( * ) 024 028 038 117 052 056 013 009 c7 o f7 l . ( > ) app f8 9 ( '(' ) 025 118 039 054 app 119 010 c8 p [ ( { ) ; ( : ) ' ( " ) k42 / ( ? ) _ ( - ) 0 ( ')' ) 026 027 040 041 042 055 012 011 c9 scroll alt-l alt-r print 125 060 062 124 c10 k14 back \ ( | ) f11 enter f12 f9 f10 014 015 029 122 043 123 120 121 c11 7 4 1 space num ? del power (k) 091 (k) 092 (k) 093 061 090 084 076 c128520 / ins sleep (k) 096(k) 097(k) 098(k) 099(k) 095 c13 9 6 3 . * - pageup pagedown (k) 101 (k) 102 (k) 103 (k) 104 (k) 100 (k) 105 085 086 c14 +(k) k107 enter(k) ? play/pause ? home end 106 108 083 079 080 081 c15 wakeup shift-l shift-r volume- volume+ nexttrack prevtrack media 004 057 c16 mail win-l w wwforwar d wwwstop wwwback wwwrefresh mute wwwsearch c17 k150 w wwfavorite s win-r mycomputer stop calculator web/home k151 (kc-l) (kc-r)
EKK6511 rf keyboard encoder product specification (v1.0) 11.15.2002 ? 9 (this specification is subject to change without further notice) 12 keyboard layout ' ' ' ' ' ' ' ' ' ' ' ' &4$ _ a @ #"$,41"$& 2 8 & 3 5 : 6 * 0 1 \ < ^ > " 4 % ' ( ) + , - ; 9 $ 7 # / . 5"# $"14 4)*'5@- $53-@- "-5@- "-5@3 $53-@3 &oufs 4)*'5@3 ] = 13*/5 4$30-- 1"64& */4 %&- )0.& &/% 1"(& 61 1"(& %08/ -&'5 %08/ 3*()5 61 /6. &/5&3 , , , , , , , , , , , , , , , , , , fig.1 the windows 2000 keyboard layout. ' ' ' ' ' ' ' ' ' ' ' ' 108&3 4-&&1 &4$ _ a @ #"$,41"$& 2 8 & 3 5 : 6 * 0 1 \ < ^ > " 4 % ' ( ) + , - ; 9 $ 7 # / . "11 5"# $"14 4)*'5@- $53-@- -8*/ "-5@- "-5@3 $53-@3 &oufs 4)*'5@3 ] = 38*/ 13*/5 4$30-- 1"64& */4 %&- )0.& &/% 1"(& 61 1"(& %08/ -&'5 %08/ 3*()5 61 /6. &/5&3 8",&61 fig.2 the 107-key keyboard layout ' ' ' ' ' ' ' ' ' ' ' ' &4$ _ a @ #"$,41"$& 2 8 & 3 5 : 6 * 0 1 \ < ^ > " 4 % ' ( ) + , - ; 9 $ 7 # / . "11 5"# $"14 4)*'5@- $53-@- -8*/ "-5@- "-5@3 $53-@3 &oufs 4)*'5@3 ] = 38*/ 13*/5 4$30-- 1"64& */4 %&- )0.& &/% 1"(& 61 1"(& %08/ -&'5 %08/ 3*()5 61 /6. &/5&3 fig3. the 104-key keyboard layout
EKK6511 rf keyboard encoder 10 ? product specification (v1.0) 11.15.2002 (this specification is subject to change without further notice)

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