UPD17708 datasheet(12/356 Pages) NEC

12 / 356 page

µPD17704, 17705, 17707, 17708, 17709

Pin No.

Symbol

Function

Output Form

P1B3

Port 1B multiplexed with D/A converter output pins.

N-ch

P1B2/PWM2

• P1B3 through P1B0

open-drain

• 4-bit output port

(12 V)

P1B0/PWM0

• PWM2 through P2M0

• 8- or 9-bit D/A converter output

At reset

With clock stopped

Power-ON reset

WDT&SP reset

CE reset

Outputs low level

Retained

(P1B3 through P1B0)

GND2

Ground

–

GND1

GND0

P0D3/AD3

Port 0D multiplexed with A/D converter input pins

–

• P0D3 through P0D0

P0D0/AD0

• 4-bit input port

• Can be connected with pull-down resistor in 1-bit units.

• AD3 through AD0

• Analog input of A/D converter with 8-bit resolution

At reset

With clock stopped

Power-ON reset

WDT&SP reset

CE reset

Input with pull-down

Retained

resistor

(P0D3 through P0D0)

P1C3/AD5

Port 1C multiplexed with A/D converter input and IF counter input pins.

–

P1C2/AD4

• P1C3 through P1C0

P1C1/AMIFC

• 4-bit input port

P1C0/FMIFC

• AD5, AD4

• Analog input to A/D converter with 8-bit resolution

• FMIFC, AMIFC

• Input to frequency counter

At reset

With clock stopped

Power-ON reset

WDT&SP reset

CE reset

Input

• P1C3/AD5,

(P1C3 through P1C0)

P1C2/AD4

retained

• P1C1/AMIFC,

P1C0/FMIFC

input

(P1C1, P1C0)

UPD17708 Datasheet(PDF) 12 Page - NEC

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