LC72323-XXXX 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC72323-XXXX

Provisional development specification

SANYO -> Panasonic 

LC72323-XXXX

Continued from preceding page.

Pin

Name

64

COM2

65

COM1

I/O Allocation

O

COM2

O

COM1

66

/INT

I

/TELIN

67

/HOLD

I

/HOLD

68

/RES

69

ADI

70

HCTR

71

LCTR

72

/SNS

73

VDD

74

FMIN

75

AMIN

76

VSS

77

EO1

78

EO2

79

TEST1

80

XOUT

I

/RES

I

ADI

I

FMIF

I

AMIF

I

/SNS

I

VDD

I

FM OSC

I

AM OSC

I

VSS

O

EO1

O

EO2

I

TEST1

O

XOUT

Active

H

H

L

L

L

—

—

—

L

—

—

—

—

—

—

—

—

Function

Handling when unused

LCD common output

Open

When this pin is set low, “TEL” is displayed and the /AMUTE pin is set

low. When PRIORITY is 0, “TEL” is displayed for 5 seconds and then

the display returns to the clock display.

Used for detecting the power on/off state.

When /HOLD goes low

• If the clock function is enabled:

The clock count function operates without stopping the oscillator.

• If the clock function is disabled:

The oscillator is stopped and the chip goes to the power save mode.

Connect to VDD.

Connect to the S METER pin. (max = 3.2 V)

Inputs the FM IF signal.

Inputs the AM IF signal.

Used for power supply detection.

Connect to +5 V.

FM local oscillator input

AM local oscillator input

Connect to ground.

Phase comparator output

Phase comparator output

Connect to ground.

Connection for the 4.5 MHz crystal

Connect directly to

VDD.

—

—

Connect directly to

ground.

Connect directly to

ground.

Connect directly to

ground.

Connect directly to

VDD.

Connect directly to

VDD.

Connect directly to

ground.

Connect directly to

ground.

—

Open

Open

Connect directly to

ground.

—

No. 4934-9/27

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