mc68hc908mr24 Freescale Semiconductor, Inc, mc68hc908mr24 Datasheet - Page 292

• Manufacturer Part Number: mc68hc908mr24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface Module (SCI)
14.4.2 Transmitter
14.4.2.1 Character Length
Advance Information
292
SCP1
SCP0
SCR1
SCR2
SCR0
4
SCALER
PRE-
Figure 14-4
The transmitter can accommodate either 8-bit or 9-bit data. The state of
the M bit in SCI control register 1 (SCC1) determines character length.
When transmitting 9-bit data, bit T8 in SCI control register 3 (SCC3) is
the ninth bit (bit 8).
DIVIDER
BAUD
PEN
PTY
Serial Communications Interface Module (SCI)
TXINV
Figure 14-4. SCI Transmitter
GENERATION
16
shows the structure of the SCI transmitter.
PARITY
SCTE
SCTIE
TC
TCIE
T8
M
H
8
SCTIE
7
SCTE
TCIE
TC
SCI DATA REGISTER
6
SHIFT REGISTER
INTERNAL BUS
TRANSMIT
5
11-BIT
CONTROL LOGIC
4
TRANSMITTER
3
2
1
LOOPS
ENSCI
SBK
TE
0
MC68HC908MR24
L
Freescale Semiconductor
PTE2/TxD
—
Rev. 4.1