UPD17P709GC-3B9 datasheet(9/38 Pages) NEC

Part #	UPD17P709GC-3B9

Description	4-BIT SINGLE-CHIP MICROCONTROLLER WITH BUILT-IN HARDWARE DEDICATED TO DIGITAL TUNING SYSTEMS

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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9 / 38 page

9

µPD17P709

Power-on reset

WDT&SP reset

CE reset

Input

(P1A3-P1A0)

Input

(P1A3-P1A0)

Held

When reset

When the clock

is stopped

Power-on reset

WDT&SP reset

CE reset

Held

When reset

When the clock

is stopped

1. PIN FUNCTIONS

1.1

NORMAL OPERATION MODE

Input

INT2

INT1

INT0

P1A3/INT4

P1A2/INT3

P1A1

P1A0/TM0G

P3A3

to

P3A0

P3B3

to

P3B0

P2A2

P2A1/FCG1

P2A0/FCG0

1

41

42

2

3

4

5

6

to

9

10

to

13

14

15

16

Input for edge-detected vectored. Either a rising edge or falling edge

can be selected.

Input for port 1A, external interrupt request signal, and event signal

• P1A3-P1A0

• 4-bit input port

• INT4, INT3

• Edge-detected vectored interrupt

• TM0G

• Gate input for 8-bit timer 0

4-bit I/O port.

Input/output can be specified in 4-bit units.

4-bit I/O port.

Input/output can be specified in 4-bit units.

Input for port 2A and external gate counter

• P2A2-P2A0

• 3-bit I/O port

• Input/output can be specified bit by bit.

• FCG1, FCG0

• External gate counter input

—

CMOS push-pull

Power-on reset

WDT&SP reset

CE reset

Input

Held

When reset

When the clock

is stopped

Power-on reset

WDT&SP reset

CE reset

Input

(P2A2-P2A0)

Input

(P2A2-P2A0)

Held

(P2A2-P2A0)

When reset

When the clock

is stopped

Held

(P2A2-P2A0)

Symbol

Output format

Function

Pin No.

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UPD17P709GC-3B9 Datasheet(PDF) 9 Page - NEC

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