MC9S08AW32CPUE Datasheet, PDF (184/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 11 Serial Communications Interface (S08SCIV2)
INTERNAL BUS
(WRITE-ONLY)
SCID – Tx BUFFER
LOOPS
RSRC
M
1 × BAUD
RATE CLOCK
11-BIT TRANSMIT SHIFT REGISTER
H876543210L
SHIFT DIRECTION
LOOP
CONTROL
TO RECEIVE
DATA IN
TO TxD PIN
T8
PE
PARITY
PT
GENERATION
TE
SBK
TXDIR
BRK13
TRANSMIT CONTROL
TXINV
SCI CONTROLS TxD
TxD DIRECTION
TO TxD
PIN LOGIC
TDRE
TIE
TC
TCIE
Figure 11-2. SCI Transmitter Block Diagram
Tx INTERRUPT
REQUEST
MC9S08AW60 Data Sheet, Rev 2
184
Freescale Semiconductor