HD64F3642AHV Datasheet, PDF(314/551 Page) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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HD64F3642AHV Datasheet, PDF (314/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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Section 10 Serial Communication Interface

Pin Configuration

Table 10.4 shows the SCI3 pin configuration.

Table 10.4 Pin Configuration

Name

SCI3 clock

SCI3 receive data input

SCI3 transmit data output

Abbr.

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 10.5 shows the SCI3 register configuration.

Table 10.5 Registers

Name

Serial mode register

Bit rate register

Serial control register 3

Transmit data register

Serial status register

Receive data register

Transmit shift register

Receive shift register

Bit rate counter

Abbr.

SMR

BRR

SCR3

TDR

SSR

RDR

TSR

RSR

BRC

R/W

Initial Value

R/W

H'00

R/W

H'FF

R/W

H'00

R/W

H'FF

R/W

H'84

R

H'00

Protected ï£§

Protected ï£§

Protected ï£§

Address

H'FFA8

H'FFA9

H'FFAA

H'FFAB

H'FFAC

H'FFAD

ï£§

ï£§

ï£§

10.3.2 Register Descriptions

Receive Shift Register (RSR)

Bit

7

6

5

4

3

2

1

0

Read/Write

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

Rev. 6.00 Sep 12, 2006 page 292 of 526

REJ09B0326-0600

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