HD6432126R datasheet(46/843 Pages) RENESAS

Part #	HD6432126R

Description	Single-Chip Microcomputer

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Pin No.

Type

Symbol

DP-64S

FP-64A

TFP-80C

I/O

Name and Function

Operating

mode

control

MD1

MD0

19

20

11

12

14

16

Input

Mode pins: These pins set the

operating mode. The relation

between the settings of pins MD1

and MD0 and the operating mode

is shown below. These pins should

not be changed while the MCU is

operating.

MD1 MD0

Operating

Mode

Description

0

1

Mode 1

Normal

Expanded mode

with on-chip

ROM disabled

1

0

Mode 2

Advanced

Expanded mode

with on-chip

ROM enabled

Single-chip

mode

1

Mode 3

Normal

Expanded mode

with on-chip

ROM enabled

Single-chip

mode

System

control

RES

12

4

Input

Reset input: When this pin is

driven low, the chip is reset.

STBY

15

7

Input

Standby: When this pin is driven

low, a transition is made to

hardware standby mode.

Address

bus

A15 to

A0

40 to 47,

49 to 56

32 to 39,

41 to 48

40 to 44,

46 to 48,

52 to 54,

56 to 60

Output Address bus: These pins output

an address.

Data bus

D7 to D0 64 to 57 56 to 49 69 to 67,

65 to 61

Input/

output

Data bus: These pins constitute a

bidirectional data bus.

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HD6432126R Datasheet(PDF) 46 Page - Renesas Technology Corp

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