HD6433832S Datasheet, PDF(265/560 Page) Renesas Technology Corp – single-chip microcomputers

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HD6433832S Datasheet, PDF (265/560 Pages) Renesas Technology Corp – single-chip microcomputers

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Pin Configuration

Table 10.6 shows the SCI3 pin configuration.

Table 10.6 Pin Configuration

Name

SCI3 clock

SCI3 receive data input

SCI3 transmit data output

Abbrev.

SCK3

RXD

TXD

I/O

I/O

Input

Output

Function

SCI3 clock input/output

SCI3 receive data input

SCI3 transmit data output

Register Configuration

Table 10.7 shows the SCI3 internal register configuration.

Table 10.7 SCI3 Registers

Name

Abbrev.

R/W

Serial mode register

SMR

R/W

Bit rate register

BRR

R/W

Serial control register 3

SCR3

R/W

Transmit data register

TDR

R/W

Serial status register

SSR

R/W

Receive data register

RDR

R

Transmit shift register

TSR

*

Receive shift register

RSR

*

Bit rate counter

BRC

*

Note: â: Cannot be read or written.

Initial Value

H'00

H'FF

H'00

H'FF

H'84

H'00

â

â

â

Address

H'FFA8

H'FFA9

H'FFAA

H'FFAB

H'FFAC

H'FFAD

â

â

â

10.4.2 Register Descriptions

Receive Shift Register (RSR)

Bit

7

6

5

4

3

2

1

0

Read/Write

â

â

â

â

â

â

â

â

The receive shift register (RSR) is for receiving serial data.

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