HD64F2149YV datasheet(457/1075 Pages) RENESAS

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Section 15 Serial Communication Interface (SCI, IrDA)

Rev. 3.00 Jan 18, 2006 page 429 of 1044

REJ09B0280-0300

Table 15.2

SCI Registers

Channel

Name

Abbreviation

R/W

Initial Value

Address*

Serial mode register 0

SMR0

R/W

H'00

H'FFD8*

Bit rate register 0

BRR0

R/W

H'FF

H'FFD9*

Serial control register 0

SCR0

R/W

H'00

H'FFDA

Transmit data register 0

TDR0

R/W

H'FF

H'FFDB

Serial status register 0

SSR0

R/(W)*

H'84

H'FFDC

Receive data register 0

RDR0

H'00

H'FFDD

Serial interface mode register 0

SCMR0

R/W

H'F2

H'FFDE*

Serial mode register 1

SMR1

R/W

H'00

H'FF88*

Bit rate register 1

BRR1

R/W

H'FF

H'FF89*

Serial control register 1

SCR1

R/W

H'00

H'FF8A

Transmit data register 1

TDR1

R/W

H'FF

H'FF8B

Serial status register 1

SSR1

R/(W)*

H'84

H'FF8C

Receive data register 1

RDR1

H'00

H'FF8D

Serial interface mode register 1

SCMR1

R/W

H'F2

H'FF8E*

Serial mode register 2

SMR2

R/W

H'00

H'FFA0*

Bit rate register 2

BRR2

R/W

H'FF

H'FFA1*

Serial control register 2

SCR2

R/W

H'00

H'FFA2

Transmit data register 2

TDR2

R/W

H'FF

H'FFA3

Serial status register 2

SSR2

R/(W)*

H'84

H'FFA4

Receive data register 2

RDR2

H'00

H'FFA5

Serial interface mode register 2

SCMR2

R/W

H'F2

H'FFA6*

Keyboard comparator control

KBCOMP

R/W

H'00

H'FEE4

Common

Module stop control register

MSTPCRH

R/W

H'3F

H'FF86

MSTPCRL

R/W

H'FF

H'FF87

Notes: 1. Lower 16 bits of the address.

2. Only 0 can be written, to clear flags.

3. Some serial communication interface registers are assigned to the same addresses as

other registers. In this case, register selection is performed by the IICE bit in the serial

timer control register (STCR).

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