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ST72E331 数据表(PDF) 59 Page - STMicroelectronics

部件名 ST72E331
功能描述  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 256 EEPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS
PDF  107 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72E331 数据表(HTML) 59 Page - STMicroelectronics

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ST72E331 ST72T331
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 37. SCI Block Diagram
WAKE
UP
UNIT
RECEIVER
CONTROL
SR
TRANSMIT
CONTROL
TDRE TC RDRF IDLE OR
NF
FE
-
SCI
CONTROL
INTERRUPT
CR1
R8
T8
-
M
WAKE
-
--
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
CONTROL
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
/2
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
SBK
RWU
RE
TE
ILIE
RIE
TCIE
TIE
CR2
59



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