MC9S12XD256MAL Datasheet, PDF (479/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

RXD Data In
Infrared
Decoder
Bus Clock _{Baud Rate}
Generator
1/16
Chapter 11 Serial Communication Interface (S12SCIV5)
SCI Data Register
Receive Shift Register
Receive & Wakeup
Control
Data Format Control
Transmit Control
IDLE
Receive _RDRF/OR
Interrupt
Generation BRKD
RXEDG
BERR
Transmit
Interrupt ^TDRE
Generation TC
SCI
Interrupt
Request
Transmit Shift Register
Infrared
Encoder
SCI Data Register
Figure 11-1. SCI Block Diagram
Data Out TXD
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
479