MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 235

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Infrared Serial Communications
13.7.2 Transmitter
Technical Data
236
BUS CLOCK
CGMXCLK
SL = 0 => X = A
SL = 1 => X = B
A
B
CKS
SL
X
SCP1
SCP0
SCR1
SCR2
SCR0
Infrared Serial Communications Interface Module (IRSCI)
Figure 13-7
The baud rate clock source for the SCI can be selected by the CKS bit,
in the SCI baud rate register (see
(SCBR)).
SCALER
PRE-
Figure 13-7. SCI Transmitter
DIVIDER
BAUD
PEN
PTY
shows the structure of the SCI transmitter.
÷ 16
GENERATION
PARITY
DMATE
DMATE
SCTIE
SCTE
DMATE
SCTE
SCTIE
TC
TCIE
T8
M
H
8
SCTIE
7
SCTE
TCIE
13.11.7 SCI Baud Rate Register
TC
SCI DATA REGISTER
6
SHIFT REGISTER
INTERNAL BUS
TRANSMIT
5
11-BIT
CONTROL LOGIC
4
TRANSMITTER
3
2
MC68HC908LJ12
1
LOOPS
Freescale Semiconductor
ENSCI
SBK
TE
0
L
—
Rev. 2.1
SCI_TxD