MC9S12E32CFU FREESCALE [Freescale Semiconductor, Inc], MC9S12E32CFU Datasheet - Page 247

• Manufacturer Part Number: MC9S12E32CFU
• Description: HCS12 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

external interrupt brings the CPU out of stop mode. Exiting stop mode by reset aborts any transmission or
reception in progress and resets the SCI.
8.1.4
Figure 8-1
blocks.
Freescale Semiconductor
Bus Clk
RXD
Data In
is a high level block diagram of the SCI module, showing the interaction of various function
Block Diagram
Generator
BAUD
Decoder
Infrared
Receive & Wakeup Control
Transmit Shift Register
16
MC9S12E128 Data Sheet, Rev. 1.07
Transmit Control
Receive Shift Register
SCI Data Register
Figure 8-1. SCI Block Diagram
SCI Data Register
Data Format Control
Encoder
Infrared
Generation
Generation
Chapter 8 Serial Communication Interface (SCIV3)
IRQ
IRQ
RDRF/OR
Interrupt
Request
TDRE
Interrupt
Request
IDLE Interrupt Request
TC Interrupt Request
Data Out
Interrupt
Request
SCI
TXD
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