參數(shù)資料
型號: A8351601SERIES
英文描述: Bar Code Reader
中文描述: 條碼閱讀器
文件頁數(shù): 27/43頁
文件大?。?/td> 413K
代理商: A8351601SERIES
A8351601 Series
PRELIMINARY (October, 2001, Version 0.5)
26
AMIC Technology, Inc.
Serial Port Mode 2
SBUF
ZERO DETECTOR
S
Q
D
CL
TX CONTORL
TI
DATA
SEND
START
TX CLOCK
RX CONTORL
LOAD
SBUF
SHIFT
1FFH
RX CLOCK
START
RI
INPUT SHIFT REG.
(9 BITS)
TXD
SERIAL
PORT
INTERRUPT
WRITE
TO
SBUF
SHIFT
SBUF
A8351601 INTERNAL BUS
LOAD
SBUF
READ
SBUF
Figure 11. Serial Port Mode 2
TRANSMIT
S1P1
START
BIT
D0
D1
D2
D3
D4
D5
D6
TB8
STOP BIT
WRITE TO
SBUF
SEND
DATA
SHIFT
TXD
TI
RX
CLOCK
RESET
16
÷
RXD
BIT DETECTOR SAMPLE TIMES
RECEIVE
SHIFT
RI
STOP
BIT
START
BIT
D0
D1
D2
D3
D4
D5
D6
RB8
A8351601 INTERNAL BUS
TB8
SHIFT
16
÷
1-TO-0
TRANSITION
DETECTOR
SAMPLE
BIT
DETECTOR
RXD
16
÷
2
÷
STOP BIT GEN
SMOD1
SMOD0
PHASE 2 CLOCK
(1/2 fosc)
MODE
2
(SMOD IS PCON.7)
TX
CLOCK
STOP BIT GEN
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