CHAPTER 1: OUTLINE

1.4 Pin Description

Table 1.4.1 Pin description

 

 

Pin name

Pin No.

I/O

Function

 

VDD

52

–

Power (+) supply pin

 

VSS

46

–

Power (–) supply pin

 

 

 

 

 

 

VD1

49

–

Oscillation system regulated voltage output pin

 

VC1–VC5

108–111

–

LCD system power supply pin (1/4 bias generated internally)

 

 

 

 

 

 

CA–CC

114–112

–

LCD system boosting/reducing capacitor connecting pin

 

OSC1

47

I

Crystal oscillation input pin

 

 

 

 

 

 

OSC2

48

O

Crystal oscillation output pin

 

OSC3

50

I

Ceramic oscillation input pin

 

 

 

 

 

 

OSC4

51

O

Ceramic oscillation output pin

 

 

 

 

 

 

K00–K03

106–103

I

Input port

 

K10–K13

102–99

I

Input port

 

 

 

 

 

 

P00–P03

98, 95–93

I/O

I/O port

 

P10–P13

92–89

I/O

I/O port (switching to serial I/F (1) input/output is possible by software)

 

 

 

 

 

 

P20

88

I/O

I/O port

 

P21

87

I/O

I/O port

 

 

 

 

 

 

P22

86

I/O

I/O port (switching to CL signal output is possible by software)

 

P23

85

I/O

I/O port (switching to FR signal output is possible by software)

 

P30–P33

84–81

I/O

I/O port (switching to serial I/F (2) input/output is possible by software)

 

 

 

 

 

 

R00

70

O

Output port (switching to XBZ signal output is possible by software)

 

R01

69

O

Output port (switching to BZ signal output is possible by software)

 

 

 

 

 

 

R02

68

O

Output port (switching to TOUT signal output is possible by software)

 

R03

67

O

Output port (switching to FOUT signal output is possible by software)

 

 

 

 

 

 

R10

66

O

Output port (switching to XTMUTE signal output is possible by software)

 

R11

63

O

Output port (switching to XRMUTE signal output is possible by software)

 

 

 

 

 

 

R12

62

O

Output port (switching to HDO signal output is possible by software)

 

 

 

 

 

 

R13

61

O

Output port (switching to HFO signal output is possible by software)

 

R20–R23

60–57

O

Output port

 

 

 

 

 

 

COM0–COM7

45–38

O

LCD common output pin (1/8, 1/16, 1/17 duty can be selected by software)

 

COM8–COM16

115–123

O

LCD common output pin

 

(SEG47–SEG40)

 

 

or LCD segment output pin (mask option)

 

SEG0–SEG39

37–33, 31–2, 128–124

O

LCD segment output pin

 

 

 

 

 

 

SVD

107

I

SVD external voltage input pin

 

 

 

 

 

56

O

Dial pulse output pin

 

DP

 

TONE

55

O

DTMF output pin

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53

I

Initial reset input pin

 

RESET

 

 

 

 

 

54

I

Testing input pin

 

TEST

 

AVDD

80

–

Power (+) supply pin for FSK demodulator

 

AVSS

76

–

Power (-) supply pin for FSK demodulator

 

 

 

 

 

 

RDIN

74

I

Ring detection input pin

 

TIP

79

I

TIP input pin

 

 

 

 

 

 

RING

78

I

RING input pin

 

 

 

 

 

 

FB

77

O

Input amplifier output pin

 

BPOUT

72

O

Band-pass filter output pin

 

 

 

 

 

 

CDIN

71

I

Carrier detection input pin

 

 

 

 

 

73

I/O

I/O pin for connecting RC network

 

RDRC

 

VREF

75

O

Reference voltage output pin (1/2 VDD)

4

EPSON

S1C63558 TECHNICAL MANUAL