Hitachi H8S/2631, Hardware Manual

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16.1.4 Register Configuration
The SCI has the internal registers shown in table 16-2. These registers are used to specify
asynchronous mode or clocked synchronous mode, the data format , and the bit rate, and to control
transmitter/receiver.
Table 16-2 SCI Registers
Channel Name Abbreviation R/W Initial Value Address
*
1
0 Serial mode register 0 SMR0 R/W H'00 H'FF78
*
3
Bit rate register 0 BRR0 R/W H'FF H'FF79
*
3
Serial control register 0 SCR0 R/W H'00 H'FF7A
*
3
Transmit data register 0 TDR0 R/W H'FF H'FF7B *
3
Serial status register 0 SSR0 R/(W) *
2
H'84 H'FF7C *
3
Receive data register 0 RDR0 R H'00 H'FF7D *
3
Smart card mode register 0 SCMR0 R/W H'F2 H'FF7E *
3
IrDA control register IrCR R/W H'00 H'FDB0
1 Serial mode register 1 SMR1 R/W H'00 H'FF80 *
3
Bit rate register 1 BRR1 R/W H'FF H'FF81 *
3
Serial control register 1 SCR1 R/W H'00 H'FF82 *
3
Transmit data register 1 TDR1 R/W H'FF H'FF83 *
3
Serial status register 1 SSR1 R/(W)
*
2
H'84 H'FF84
*
3
Receive data register 1 RDR1 R H'00 H'FF85
*
3
Smart card mode register 1 SCMR1 R/W H'F2 H'FF86
*
3
2 Serial mode register 2 SMR2 R/W H'00 H'FF88
Bit rate register 2 BRR2 R/W H'FF H'FF89
Serial control register 2 SCR2 R/W H'00 H'FF8A
Transmit data register 2 TDR2 R/W H'FF H'FF8B
Serial status register 2 SSR2 R/(W)
*
2
H'84 H'FF8C
Receive data register 2 RDR2 R H'00 H'FF8D
Smart card mode register 2 SCMR2 R/W H'F2 H'FF8E