R5F3640MNFB datasheet(34/398 Pages) RENESAS

34 / 398 page

REJ09B0392-0064 Rev.0.64

Oct 12, 2007

Page 13 of 373

M16C/64 Group

1. Overview

Under development

Preliminary Specification

Specification in this preliminary version is subject to change.

NOTE:

TXD2, SDA2, and SCL2 are N-channel open drain output pins. TXDi (i = 0, 1, 5 to 7), SDAi, SCLi can be

selected as CMOS output pin or N-channel open drain output pin by program.

Table 1.8

Pin Functions (3)

Signal Name

Pin Name

I/O

Power Sup-

ply

Description

UART0 to

UART2,

UART5 to

UART7

I2C mode

SDA0 to SDA2,

SDA5

I/O

VCC1

Serial data I/O pins (1)

SDA6, SDA7

I/O

VCC2

SCL0 to SCL2,

SCL5

I/O

VCC1

Transfer clock I/O pins (1)

SCL6, SCL7

I/O

VCC2

Serial

interface

SI/03, SI/04

CLKS3, CLKS4

I/O

VCC1

Transfer clock I/O pins

SIN3, SIN4

VCC1

Serial data input pins

SOUT3, SOUT4

VCC1

Serial data output pins

Reference

voltage input

VREF

VCC1

Reference voltage input pins for the A/D converter and D/A

converter. Connect to VCC1.

A/D

converter

AN0 to AN7

VCC1

Analog input pins for the A/D converter

AN0_0 to AN0_7

AN2_0 to AN2_7

VCC2

ADTRG

VCC1

Input pin for an external A/D trigger

ANEX0, ANEX1

VCC1

Extended analog input pin for the A/D converter

D/A

converter

DA0, DA1

VCC1

Output pin for the D/A converter

I/O port

P0_0 to P0_7

P1_0 to P1_7

P2_0 to P2_7

P3_0 to P3_7

P4_0 to P4_7

P5_0 to P5_7

I/O

VCC2

8-bit CMOS I/O ports. A direction register determines whether

each pin is used as an input port or an output port. A pull-up

resistor may be enabled or disabled for input ports in 4-bit

units.

P6_0 to P6_7

P7_0 to P7_7

P8_0 to P8_7

P9_0 to P9_7

P10_0 to P10_7

I/O

VCC1

8-bit I/O ports having equivalent functions to P0.

However, P7_0, P7_1, and P8_5 are N-channel open-drain

output ports. No pull-up resistor is provided. P8_5 is an input

port for verifying the NMI pin level and shares a pin with NMI.

R5F3640MNFB Datasheet(PDF) 34 Page - Renesas Technology Corp

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