3069RF-ZTAT Datasheet, PDF(538/1003 Page) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

English

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

3069RF-ZTAT Datasheet, PDF (538/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

◁

14.1.2 Block Diagram

Figure 14.1 shows a block diagram of the smart card interface.

Module data bus

RDR

RxD

RSR

TxD

SCK

TDR

TSR

SCMR

SSR

SCR

SMR

Transmission/

reception

control

BRR

Baud rate

generator

Parity generation

Clock

Parity check

External clock

[Legend]

SCMR: Smart card mode register

RSR: Receive shift register

RDR: Receive data register

TSR: Transmit shift register

TDR: Transmit data register

SMR: Serial mode register

SCR: Serial control register

SSR: Serial status register

BRR: Bit rate register

Ï

Ï/4

Ï/16

Ï/64

TXI

RXI

ERI

Figure 14.1 Block Diagram of Smart Card Interface

14.1.3 Pin Configuration

Table 14.1 shows the smart card interface pins.

Table 14.1 Smart Card Interface Pins

Pin Name

Serial clock pin

Receive data pin

Transmit data pin

Abbreviation

SCK

RxD

TxD

I/O

I/O

Input

Output

Function

Clock input/output

Receive data input

Transmit data output

Rev. 5.0, 09/04, page 516 of 978

Internal

data bus

▷