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Datasheet File OCR Text: |
86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 1 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. ?? bl6122/BL6121 bl6122/BL6121 ??????2? cmos ?bl6122 64 BL6121 32 ??b l6122 ???? sop-24BL6121 ???? sop-20 ? . ?? ? cmos ??vdd2.2~5.5v bl6122 ? d7 ?? 1286 ??BL6121 ? 64+6 ?? . ?? ?? ? ? vcddvd ? ?? . ?
86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 2 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. . ?? ?? BL6121 ??? . ? ??temp25 ?? vdd 5.5 v ? vin -0.3~vdd v ? icc 1 ua pd 250 mw ? tstg -40~+125 ? topr 0~+75 . ? ??temp=25 ? ? ? ?? vdd 2.2 3.0 5.5 v ? fosc 400 455 500 khz ? vin 0 -- vdd v ?? rup -- 100 -- k . ?? bl6122 ?? ? / 23,24,1~6 r1~r8 i ? 86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 3 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. 7 dout o ??? 8 vdd ? 9 d7 i ? 7 ? 10 x2 o ?? 11 x1 i ??? 12 gnd ? 13 led D led ?? 21~14 c1~c8 i/o ?/? 22 ain i ? BL6121 ?? ? / 1~4 r1~r4 i ? 5 dout o ??? 6 vdd ? 7 d7 i ? 7 ? 8 x2 o ?? 9 x1 i ??? 10 gnd ? 11 led D led ?? 19~12 c1~c8 i/o ?/? 20 ain i ? . ? 1.?? bl6122? bl6122 ??BL6121 ??????? 16 ??8 8 ??????? ? 9ms ? 4.5ms ???q?? ???????????? ???ppm ???0?1 ? 8 ? ??????????? 2 . bl6122 ?? r1~r8 ?????/ c1~c8 ? 88 ? 64 BL6121 r1~r4 c1~c8 ? 48 ? 32 86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 4 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. ? 21# c6 ? 22#23#24#?????? ???? 1) 21 # 22 # 221 # 23 # 321 # 24 # ?? gnd ?????? ?21# 22#21# 23#21# 24#?????? ? 36ms ??? ?? ??? ?????? ???????36ms ??dout?? 36ms??? 108ms ????? 3.??? ????????????? ???? key d0 d1 d2 d3 d4 d5 d6 d7 k21+k22 1 0 1 0 1 1 0 0/1 k21+k23 0 1 1 0 1 1 0 0/1 k21+k24 1 1 1 0 1 1 0 0/1 ?? d7 gnd ?d71? d7 vdd ?d70 86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 5 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. 86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 6 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. 4.? bl6122 ?? 86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 7 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. . ?? 86-21-54272266 86-21-54264402 ?: www.systron.sh.cn page 8 of 8 ??bl6122/BL6121 ???? shanghai belling-systron microelectronics co., ltd. ? . key data codes do-d6 data code d7 key data codes do-d6 data code d7 k1 0000 000 0/1 k33 0000 001 0/1 k2 1000 000 0/1 k34 1000 001 0/1 k3 0100 000 0/1 k35 0100 001 0/1 k4 1100 000 0/1 k36 1100 001 0/1 k5 0010 000 0/1 k37 0010 001 0/1 k6 1010 000 0/1 k38 1010 001 0/1 k7 0110 000 0/1 k39 0110 001 0/1 k8 1110 000 0/1 k40 1110 001 0/1 k9 0001 000 0/1 k41 0001 001 0/1 k10 1001 000 0/1 k42 1001 001 0/1 k11 0101 000 0/1 k43 0101 001 0/1 k12 1101 000 0/1 k44 1101 001 0/1 k13 0011 000 0/1 k45 0011 001 0/1 k14 1011 000 0/1 k46 1011 001 0/1 k15 0111 000 0/1 k47 0111 001 0/1 k16 1111 000 0/1 k48 1111 001 0/1 k17 0000 100 0/1 k49 0000 101 0/1 k18 1000 100 0/1 k50 1000 101 0/1 k19 0100 100 0/1 k51 0100 101 0/1 k20 1100 100 0/1 k52 1100 101 0/1 k21 0010 100 0/1 k53 0010 101 0/1 k22 1010 100 0/1 k54 1010 101 0/1 k23 0110 100 0/1 k55 0110 101 0/1 k24 1110 100 0/1 k56 1110 101 0/1 k25 0001 100 0/1 k57 0001 101 0/1 k26 1001 100 0/1 k58 1001 101 0/1 k27 0101 100 0/1 k59 0101 101 0/1 k28 1101 100 0/1 k60 1101 101 0/1 k29 0011 100 0/1 k61 0011 101 0/1 k30 1011 100 0/1 k62 1011 101 0/1 k31 0111 100 0/1 k63 0111 101 0/1 k32 1111 100 0/1 k64 1111 101 0/1 |
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