Hitachi H8/3937 Series Hardware Manual page 269

3. Pin configuration
Table 10-4 shows the SCI3 pin configuration.
Table 10-4 Pin Configuration
Name
SCI3 clock
SCI3 receive data input
SCI3 transmit data output
4. Register configuration
Table 10-5 shows the SCI3 register configuration.
Table 10-5 Registers
Name
Serial mode register
Bit rate register
Serial control register 3
Transmit data register
Serial data register
Receive data register
Transmit shift register
Receive shift register
Bit rate counter
Clock stop register 1
Serial port control register
Abbrev. I/O
SCK I/O
3X
RXD Input
3X
TXD Output
3X
Abbrev. R/W
SMR R/W
BRR R/W
SCR3 R/W
TDR R/W
SSR R/W
RDR R
TSR Protected
RSR Protected
BRC Protected
CKSTPR1 R/W
SPCR R/W
Function
SCI3 clock input/output
SCI3 receive data input
SCI3 transmit data output
Initial Value Address
H'00 H'FFA8/FF98
H'FF H'FFA9/FF99
H'00 H'FFAA/FF9A
H'FF H'FFAB/FF9B
H'84 H'FFAC/FF9C
H'00 H'FFAD/FF9D
— —
— —
— —
H'FF H'FFFA
H'C0 H'FF91
257