st92f124 STMicroelectronics, st92f124 Datasheet - Page 237

• Manufacturer Part Number: st92f124
• Description: 8/16-bit Single Voltage Flash Mcu Family With Ram, E3 Tmemulated Eeprom, Can 2.0b And J1850 Blpd
• Manufacturer: STMicroelectronics

ASYNCHRONOUS SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 117. SCI-A Block Diagram
TDO
RDI
-
LINE
TIE
SCICR2
TRANSMITTER
-
INTERRUPT
TCIE
CONTROL
CLOCK
f
CPU
Transmit Data Register (TDR)
-
ASYNCHRONOUS SERIAL COMMUNICATIONS INTERFACE (SCI-A)
SCI
TRANSMIT
CONTROL
RIE
Transmit Shift Register
-
Write
ILIE
-
/16
SCICR3
TE
-
RE
-
/PR
RWU
WAKE
UNIT
UP
R8
SBK
T8
CONVENTIONAL BAUD RATE GENERATOR
SCP1
Received Data Register (RDR)
SCID
Read
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
Received Shift Register
TDRE TC RDRF IDLE OR
TRANSMITTER RATE
M
CONTROL
RECEIVER
WAKE
CONTROL
(DATA REGISTER) SCIDR
PCE
RECEIVER RATE
CONTROL
PS
Extended Prescaler
Block Diagram
(cf.Figure
SCICR1
PIE
SCIBRR
NF
119)
RECEIVER
FE
CLOCK
SCISR
PE
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