UPD17006AGF-052-3B9 查看數據表（PDF） - NEC => Renesas Technology

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UPD17006AGF-052-3B9

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

1. PIN FUNCTIONS

Pin No.

1

|

4

5

6

7

Symbol

Pin Name

Function

K3

Analog key return signal input pins.

Key return

|

For connection of analog keys, refer to 2. KEY MATRIX

signal inputs

K0

CONFIGURATION.

Signal meter

S•METER signal input

Signal meter signal input pin.

Input analog signal according to intensity of received

electric field. This pin is used to judge condition for AF

selection.

Signal quality

S•QUALITY

signal input

Signal quality input pin.

Input analog signal according to quality of received elec-

tric field. This pin is used to judge condition for AF

selection.

FMIFC

FM intermedi-

ate frequency

input

FM band intermediate frequency (IF) input pin.

Because an on-chip AC amplifier is provided, cut DC com-

ponent with a capacitor for input.

This pin is used to detect presence/absence of broadcast-

ing station during auto tuning when FM IF/SD switch of

initial setting diode = 1 (shorted with diode).

When it is judged that a station is present, input frequency

and input conditions are as follows:

I/O Format

Analog input

Analog input

Analog input

Input

Band

FM

Input frequency range

10.7 MHz ± 20.0 kHz

Input frequency range is range of frequencies that must be

input within 10 ms after PLL is locked.

This is the AM band (MW, LW) intermediate frequency (IF)

input pin.

Because an on-chip AC amplifier is provided, cut out the

DC component with a capacitor in the input.

This pin is used to detect presence/absence of broadcast-

ing station during auto tuning when FM IF/SD switch of

initial setting diode = 1 (shorted with diode).

When it is judged that a station is present, input frequency

AM intermedi- and input conditions are as follows:

8

AMIFC ate frequency

Input

input

Band Input frequency range [kHz]

450 ± 3

MW

459 ± 3

450 ± 3

LW

459 ± 3

Input frequency range is range of frequencies that must be

input within 20 ms after PLL is locked.

7

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