mc9s08ac16 Freescale Semiconductor, Inc, mc9s08ac16 Datasheet - Page 196

• Manufacturer Part Number: mc9s08ac16
• Description: Hcs08 Microcontrollers 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 11 Serial Communications Interface (S08SCIV4)
11.1.3
Figure 11-2
196
RATE CLOCK
1 × BAUD
Block Diagram
shows the transmitter portion of the SCI.
INTERNAL BUS
PE
PT
M
BRK13
TXDIR
SBK
TE
GENERATION
Figure 11-2. SCI Transmitter Block Diagram
PARITY
T8
MC9S08AC16 Series Data Sheet, Rev. 0
H
(WRITE-ONLY)
11-BIT TRANSMIT SHIFT REGISTER
8
7
PRELIMINARY
SHIFT DIRECTION
6
SCID – Tx BUFFER
TRANSMIT CONTROL
5
4
TDRE
TCIE
TIE
TC
3
2
1
0
L
LOOPS
RSRC
SCI CONTROLS TxD
TxD DIRECTION
CONTROL
TXINV
LOOP
Tx INTERRUPT
REQUEST
Freescale Semiconductor
TO RECEIVE
DATA IN
TO TxD PIN
TO TxD
PIN LOGIC