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ST7232A Datasheet(PDF) 86 Page - STMicroelectronics

Part # ST7232A
Description  8-BIT MCU WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
PDF  154 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7232A Datasheet(HTML) 86 Page - STMicroelectronics

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ST7232A
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SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 50. 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
CONTROL
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
SBK
RWU
RE
TE
ILIE
RIE
TCIE
TIE
CR2
1



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