參數(shù)資料
型號(hào): ST72621J2B1
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP20
封裝: 0.300 INCH, PLASTIC, DIP-20
文件頁數(shù): 101/136頁
文件大小: 2475K
代理商: ST72621J2B1
ST7262
67/136
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 46. SCI Block Diagram
WAKE
UP
UNIT
RECEIVER
CONTROL
SR
TRANSMIT
CONTROL
TDRE TC RDRF IDLE OR
NF
FE
PE
SCI
CONTROL
INTERRUPT
CR1
R8
T8
SCID
M
WAKE
PCE
PS
PIE
Received Data Register (RDR)
Received Shift Register
Read
Transmit Data Register (TDR)
Transmit Shift Register
Write
RDI
TDO
(DATA REGISTER) DR
TRANSMITTER
CLOCK
RECEIVER
CLOCK
RECEIVER RATE
TRANSMITTER RATE
BRR
SCP1
fCPU
CONTROL
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
SBK
RWU
RE
TE
ILIE
RIE
TCIE
TIE
CR2
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