D12320VF25V Datasheet, PDF (469/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 12 Serial Communication Interface (SCI)
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
Abbreviation R/W
Initial Value Address^*2
0
Serial mode register 0
SMR0
R/W
H'00
H'FF78
Bit rate register 0
BRR0
R/W
H'FF
H'FF79
Serial control register 0
SCR0
R/W
H'00
H'FF7A
Transmit data register 0
Serial status register 0
TDR0
SSR0
R/W
H'FF
R/(W)^*1 H'84
H'FF7B
H'FF7C
Receive data register 0
RDR0
R
H'00
H'FF7D
Smart card mode register 0 SCMR0
R/W
H'F2
H'FF7E
1
Serial mode register 1
SMR1
R/W
H'00
H'FF80
Bit rate register 1
BRR1
R/W
H'FF
H'FF81
Serial control register 1
SCR1
R/W
H'00
H'FF82
Transmit data register 1
Serial status register 1
TDR1
SSR1
R/W
H'FF
R/(W)^*1 H'84
H'FF83
H'FF84
Receive data register 1
RDR1
R
H'00
H'FF85
Smart card mode register 1 SCMR1
R/W
H'F2
H'FF86
All
Module stop control register MSTPCR
R/W
H'3FFF
H'FF3C
Notes: 1. Can only be written with 0 for flag clearing.
2. Lower 16 bits of the address.
Rev.7.00 Feb. 14, 2007 page 435 of 1108
REJ09B0089-0700