Register Configuration; Transmit Data Register (Tdr); Serial Mode Register (Smr); Serial Control Register (Scr) - Renesas H8S/2319 series Hardware Manual

12.1.4

Register Configuration

The SCI has the internal registers shown in table 12-2. These registers are used to specify
asynchronous mode or synchronous mode, the data format, and the bit rate, and to control the
transmitter/receiver.
Table 12-2 SCI Registers
Channel Name
0 Serial mode register 0
Bit rate register 0
Serial control register 0
Transmit data register 0
Serial status register 0
Receive data register 0
Smart card mode register 0
1 Serial mode register 1
Bit rate register 1
Serial control register 1
Transmit data register 1
Serial status register 1
Receive data register 1
Smart card mode register 1
All Module stop control register
Notes: 1. Can only be written with 0 for flag clearing.
2. Lower 16 bits of the address.
Abbreviation R/W
SMR0 R/W
BRR0 R/W
SCR0 R/W
TDR0 R/W
R/(W) *
SSR0
RDR0 R
SCMR0 R/W
SMR1 R/W
BRR1 R/W
SCR1 R/W
TDR1 R/W
R/(W) *
SSR1
RDR1 R
SCMR1 R/W
MSTPCR R/W
Initial Value
H'00
H'FF
H'00
H'FF
1
H'84
H'00
H'F2
H'00
H'FF
H'00
H'FF
1
H'84
H'00
H'F2
H'3FFF
Rev. 5.00, 12/03, page 425 of 1088
2
Address *
H'FF78
H'FF79
H'FF7A
H'FF7B
H'FF7C
H'FF7D
H'FF7E
H'FF80
H'FF81
H'FF82
H'FF83
H'FF84
H'FF85
H'FF86
H'FF3C