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HD64F3028F25 Datasheet, PDF (485/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series | |||
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13.1.4 Register Configuration
The SCI has internal registers as listed in table 13.2. These registers select asynchronous or
synchronous mode, specify the data format and bit rate, control the transmitter and receiver
sections, and specify switching between the serial communication interface and smart card
interface.
Table 13.2 SCI Registers
Channel
Address*1 Name
Abbreviation
0
HâFFFB0 Serial mode register
SMR
HâFFFB1 Bit rate register
BRR
HâFFFB2 Serial control register
SCR
HâFFFB3 Transmit data register
TDR
HâFFFB4 Serial status register
SSR
HâFFFB5 Receive data register
RDR
HâFFFB6 Smart card mode register SCMR
1
HâFFFB8 Serial mode register
SMR
HâFFFB9 Bit rate register
BRR
HâFFFBA Serial control register
SCR
HâFFFBB Transmit data register
TDR
HâFFFBC Serial status register
SSR
HâFFFBD Receive data register
RDR
HâFFFBE Smart card mode register SCMR
2
HâFFFC0 Serial mode register
SMR
HâFFFC1 Bit rate register
BRR
HâFFFC2 Serial control register
SCR
HâFFFC3 Transmit data register
TDR
HâFFFC4 Serial status register
SSR
HâFFFC5 Receive data register
RDR
HâFFFC6 Smart card mode register SCMR
Notes: 1. Indicates the lower 20 bits of the address in advanced mode.
2. Only 0 can be written, to clear flags.
R/W Initial Value
R/W H'00
R/W H'FF
R/W H'00
R/W H'FF
R/(W)*2 H'84
R
H'00
R/W H'F2
R/W H'00
R/W H'FF
R/W H'00
R/W H'FF
R/(W)*2 H'84
R
H'00
R/W H'F2
R/W H'00
R/W H'FF
R/W H'00
R/W H'FF
R/(W)*2 H'84
R
H'00
R/W H'F2
Rev. 2.00, 09/03, page 453 of 890
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