R5H30211 Просмотр технического описания (PDF) - Renesas Electronics

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Компоненты Описание

производитель

R5H30211

Renesas Microcomputer

Renesas Electronics 

R5H30211

Pin Functions

Table 2 lists the pin functions of this LSI.

Table 2 Pin Functions

Type

Symbol

I/O

Name and Description

Power supply

VCC

I

Power supply pin: 3.0 V to 3.6 V

VSS

I

Ground pin: 0 V

Clock

CLK

I

External clock input pin

Reset

RES*1

I

Reset pin: Low-level input resets the chip.

I2C bus interface 2 SCL

I/O

IIC2 clock input/output pin

(IIC2)

SDA

I/O

IIC2 data input/output pin

Synchronous serial

communication

unit(SSU)

SSI

SSO

SSCK

I/O

SSU data input/output pin

I/O

SSU data input/output pin

I/O

SSU clock input/output pin

External interrupt

SCS

IRQ*2

I/O

SSU chip select input/output pin

I

Interrupt pin: In sleep modes 1 and 2, this pin can be used as an

interrupt input pin.

Port

P1

I/O

I/O port pin: Input or output can be selected by software.

P2

I/O

I/O port pin: Input or output can be selected by software.

P3

I/O

I/O port pin: Input or output can be selected by software.

P4

I/O

I/O port pin: Input or output can be selected by software.

Notes: 1. An input pull-up MOS is connected to the RES pin as shown in figure 3.

VCC

Input pull-up MOS

RES

pin

Input buffer

Internal

RES signal

Figure 3 Block Diagram of the RES Pin

2. The P1/IRQ to P4/IRQ pins can be used as data I/O and interrupt input pins.

Input pull-up MOSs are connected to these pins.

REJ03B0259-0110 Rev.1.10 Jun. 05, 2009

Page 6 of 17

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