Sony Ericsson XR-C7500RX User Manual

Page 35

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35

Pin No.

Pin Name

I/O

Description

60

REDY

O

Transfer enable signal output to the system controller (IC600)
“L”: transfer prohibition

61

TRDT

O

Serial data output to the system controller (IC600) and liquid crystal display drive controller
(IC800)

62

XLAT

I

Serial data latch pulse input from the system controller (IC600)

63

RVDT

I

Serial data input from the system controller (IC600)

64

XS24

I

Serial data 24/32 bit slot selection signal input terminal
“L”: 24 bit slot, “H”: 32 bit slot (validity at slave mode) (fixed at “H” in this set)

65

VDD2

Power supply terminal (+3.3V) (digital system)

66

VSS3

Ground terminal (digital system)

67 to 69

SO1 to SO3

O

Serial data output terminal Not used (open)

70

SOUT

O

Serial data output terminal Not used (open)

71 to 73

SI1 to SI3

I

Serial data input terminal Not used (fixed at “L”)

74

SIN

I

Serial data input terminal Not used (fixed at “L”)

75

BCK

I

Bit clock signal (2.8224 MHz) input terminal Not used (fixed at “H”)

76

LRCK

I

L/R sampling clock signal (44.1 kHz) input terminal Not used (fixed at “H”)

77

XMST

I

Bit clock (BCK) and L/R sampling clock (LRCK) signal master/slave mode selection signal input
terminal “L”: master mode, “H”: slave mode (fixed at “L” in this set)

78

VDD3

Power supply terminal (+3.3V) (digital system)

79

AVSP

Ground terminal (PLL system)

80

XPLLEN

I

PLL enable signal input terminal Normally: fixed at “L”

81

PLCLK

O

PLL clock signal output terminal (22.5792 MHz)

82

XECKSTP

I

PLL clock output control signal input terminal Not used (fixed at “L”)

83

AVDP

Power supply terminal (+3.3V) (PLL system)

84

VSS4

Ground terminal (digital system)

85 to 94

T.P

I

Input terminal for the test Normally: fixed at “L”

95

VDD4

Power supply terminal (+3.3V) (digital system)

96

AVSD

Ground terminal (for D-RAM)

97 to 99

T.P

I

Input terminal for the test Normally: fixed at “L”

100

AVDD

Power supply terminal (+3.3V) (for D-RAM)

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