No.7735-8/11

LC78605E

Continued from preceding page.

Pin No.

Pin Name

I/O

Function

Pin state when

Pin state when

CDRESB is low

TUNERESB is low

44

FMAMB

I

Tuner display switching selection input (Schmitt trigger input)

—

—

45

REMOTE

I

Remote control signal input (Schmitt trigger input)

—

—

46

CLOSE

I

Close switch detection signal input.

—

—

A pull-up resistor is built in. (Schmitt trigger input)

47

PUIN

I

Limit switch detection signal input.

—

—

A pull-up resistor is built in. (Schmitt trigger input)

48

DVSS

—

Digital system ground. This pin must be connected to the 0 V level.

—

—

49

DVDD

—

Digital system 3.3V power supply

—

—

50

TUNERIN

I

Tuner frequency display input

—

—

51

MONI3

I/O

Internal signal monitor pin 3. (Schmitt trigger input)

(Low-level output)

Undefined

A pull-down resistor is built in. (Default: input mode)

52

MONI2

I/O

Internal signal monitor pin 2. (Schmitt trigger input)

(Low-level output)

Undefined

A pull-down resistor is built in. (Default: input mode)

53

MONI1

I/O

Internal signal monitor pin 1. (Schmitt trigger input)

(Low-level output)

Undefined

A pull-down resistor is built in. (Default: input mode)

Reset input for this IC’s tuner display block.

54

TUNERESB

I

A pull-down resistor is built in.

—

—

This pin must be set low briefly after power is first applied.

Reset input for this IC’s CD playback block.

55

CDRESB

I

A pull-down resistor is built in.

—

—

This pin must be set low briefly after power is first applied.

56

AD1

AI

Key operation A/D converter input 1

—

—

57

AD2

AI

Key operation A/D converter input 2

—

—

58

AD3

AI

Key operation A/D converter input 3

—

—

59

AVSS

—

Analog system ground. This pin must be connected to the 0V level.

—

—

60

PDO

AO

External VCO control phase comparator output

Undefined

Undefined

61

ISET

AI

PDO output current adjustment resistor connection

—

—

PLL system pins

VCO frequency range adjustment

62

FR

AI

An external resistor must be connected between this pin

—

—

and AVDD.

63

AVDD

—

Analog system power supply

—

—

64

SLCO

AO

Slice level control output

Undefined

Undefined