HD64F3039F18 Datasheet, PDF (359/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 11 Serial Communication Interface
11.1.4 Register Configuration
The SCI has the internal registers as listed in table 11.2. These registers select asynchronous or
synchronous mode, specify the data format and bit rate, and control the transmitter and receiver
sections.
Table 11.2 Registers
Channel Address*¹ Name
0
H'FFB0
Serial mode register
H'FFB1
Bit rate register
H'FFB2
Serial control register
H'FFB3
Transmit data register
H'FFB4
Serial status register
H'FFB5
Receive data register
1
H'FFB8
Serial mode register
H'FFB9
Bit rate register
H'FFBA
Serial control register
H'FFBB
Transmit data register
H'FFBC
Serial status register
H'FFBD
Receive data register
Notes: 1. Lower 16 bits of the address.
2. Only 0 can be written to clear flags.
Abbreviation
SMR
BRR
SCR
TDR
SSR
RDR
SMR
BRR
SCR
TDR
SSR
RDR
R/W
R/W
R/W
R/W
R/W
R/(W)*²
R
R/W
R/W
R/W
R/W
R/(W)*²
R
Initial Value
H'00
H'FF
H'00
H'FF
H'84
H'00
H'00
H'FF
H'00
H'FF
H'84
H'00
Rev.3.00 Mar. 26, 2007 Page 335 of 682
REJ09B0353-0300