HD6413002 Datasheet, PDF(436/700 Page) Renesas Technology Corp – High-performance single-chip microcontroller

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

HD6413002 Datasheet, PDF (436/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

◁

13.1.3 Input/Output Pins

The SCI has serial pins for each channel as listed in table 13-1.

Table 13-1 SCI Pins

Channel

0

1

Name

Serial clock pin

Receive data pin

Transmit data pin

Serial clock pin

Receive data pin

Transmit data pin

Abbreviation

SCK0

RxD0

TxD0

SCK1

RxD1

TxD1

I/O

Input/output

Input

Output

Input/output

Input

Output

Function

SCI0 clock input/output

SCI0 receive data input

SCI0 transmit data output

SCI1 clock input/output

SCI1 receive data input

SCI1 transmit data output

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, and control the transmitter and receiver

sections.

Table 13-2 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

422

▷