D12320VF25IV Datasheet, PDF (633/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 14 Serial Communication Interface (SCI)
14.1.4 Register Configuration
The SCI has the internal registers shown in table 14.2. 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 14.2 SCI Registers
Channel Name
Abbreviation
0
Serial mode register 0
SMR0
Bit rate register 0
BRR0
Serial control register 0
SCR0
Transmit data register 0
TDR0
Serial status register 0
SSR0
Receive data register 0
RDR0
Smart card mode register 0 SCMR0
1
Serial mode register 1
SMR1
Bit rate register 1
BRR1
Serial control register 1
SCR1
Transmit data register 1
TDR1
Serial status register 1
SSR1
Receive data register 1
RDR1
Smart card mode register 1 SCMR1
2
Serial mode register 2
SMR2
Bit rate register 2
BRR2
Serial control register 2
SCR2
Transmit data register 2
TDR2
Serial status register 2
SSR2
Receive data register 2
RDR2
Smart card mode register 2 SCMR2
All
Module stop control register MSTPCR
Notes: 1. Lower 16 bits of the address.
2. Can only be written with 0 for flag clearing.
R/W
R/W
R/W
R/W
R/W
R/(W)^*2
R
R/W
R/W
R/W
R/W
R/W
R/(W)^*2
R
R/W
R/W
R/W
R/W
R/W
R/(W)^*2
R
R/W
R/W
Initial Value
H'00
H'FF
H'00
H'FF
H'84
H'00
H'F2
H'00
H'FF
H'00
H'FF
H'84
H'00
H'F2
H'00
H'FF
H'00
H'FF
H'84
H'00
H'F2
H'3FFF
Address^*1
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'FF88
H'FF89
H'FF8A
H'FF8B
H'FF8C
H'FF8D
H'FF8E
H'FF3C
Rev.6.00 Sep. 27, 2007 Page 601 of 1268
REJ09B0220-0600