UPD17006AGF-012-3B9 查看數據表（PDF） - NEC => Renesas Technology

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UPD17006AGF-012-3B9

4-BIT SINGLE-CHIP MICROCONTROLLER WITH PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR AUTOMOBILE FM, MW, AND LW RADIOS

NEC => Renesas Technology 

µPD17006AGF-011

Pin No. Symbol

Pin Name

Function

Modulation level input pin.

When starting AF operation with DEV.SEL switch of initial

setting diode = 1 (shorted with diode), this pin is used to

detect weakly modulated part (mute part), as follows:

Modulation

74

DEV.LEVEL

level input

DEV.LEVEL Description

0

Mute

1

Sound

(0: low level, 1: high level)

75

SD

SD signal input Broadcasting station detection signal input pin.

Input pin that detects SK signal of VF broadcasting station.

It is used as auto tuning stop signal. If low level is input

SK signal

to this pin within about 500 ms after broadcasting station

76

SK

output

has been detected, it is judged that a traffic information

station was detected, and auto tuning is stopped.

Pull up this pin when ARI is not used.

Input pin that detects DK signal of VF broadcasting station.

It is judged that traffic information is being broadcast and

standby mode is set if both SK (pin 76) and DK pin go low

77

DK

DK signal input

in standby mode.

If DK pin goes high, standby mode is set again.

Pull up this pin when ARI is not used.

This pin indicates whether front panel is attached or de-

78

PANEL Panel detection tached. When this pin goes high, it indicates that front

input pin

panel is detached.

79

80

Internally

IC

connected

Connect this pin to GND via pull-down resistor.

I/O Format

Input

Input

Input

Input

Input

—

13

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