參數(shù)資料
型號: IS80C31-24PLI
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: 微控制器/微處理器
英文描述: CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
中文描述: 8-BIT, 24 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 24/43頁
文件大小: 337K
代理商: IS80C31-24PLI
IS80C51
IS80C31
24
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC003-1D
11/19/98
ISSI
Figure 15. Serial Port Mode 3
SHIFT
RECEIVE
BIT DETECTOR SAMPLE TIMES
RI
D0
D1
D2
D3
D5
D6
D7
D4
BIT
RXD
CRX
÷
16 RESET
RB8
WRITE
TO
SBUF
LOAD
SBUF
BIT
DETECTOR
INPUT SHIFT REG.
(9 BITS)
SAMPLE
RCLK
"0"
"0"
"1"
"1"
TCLK
SMOD
= 1
SMOD
= 0
SBUF
ZERO DETECTOR
SHIFT
RXD
TXD
Q
S
D
CL
START
TX CLOCK
RX CLOCK
START
DATA
SEND
LOAD
SBUF
SHIFT
1FFH
TX CONTROL
TI
SERIAL
PORT
INTERRUPT
RI
RX CONTROL
SBUF
IS80C51/31 INTERNAL BUS
READ
SBUF
S1P1
D0
D1
D2
D3
D5
D6
TB8
D7
D4
SEND
DATA
SHIFT
CTX
WRITE TO SBUF
TRANSMIT
SHIFT
÷
16
÷
16
1-TO-0
TRANSITION
DETECTOR
IS80C51/31 INTERNAL BUS
TIMER 1
OVERFLOW
TIMER 2
OVERFLOW
÷
2
TB8
STOP BIT
TXD
TI
STOP BIT GEN
SBIT
SBIT
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