Pin

 

Name

 

Direction

 

Function

 

 

 

 

 

 

 

77

 

MMCDAT1

 

In/Out

 

SD/MMC card data 1

78

 

MMCDAT2

 

In/Out

 

SD/MMC card data 2

79

 

MMCDAT3

 

In/Out

 

SD/MMC card data 3

80

 

MMCMD_EN

 

Output

 

SD/MMC card command enable

81

 

MMCDAT_EN

 

Output

 

SD/MMC card data enable (data 1-3)

82

 

MMCDAT_EN0

 

Output

 

SD/MMC card data enable (data 0)

83

 

KEYROW1

 

Input

 

Keyboard row 1

84

 

KEYROW2

 

Input

 

Keyboard row 2

85

 

KEYROW3

 

Input

 

Keyboard row 3

86

 

KEYROW4

 

Input

 

Keyboard row 4

87

 

KEYROW5

 

Input

 

Keyboard row 5

88

 

KEYCOL1

 

Output

 

Keyboard row 1

89

 

KEYCOL2

 

Output

 

Keyboard row 2

90

 

KEYCOL3

 

Output

 

Keyboard row 3

91

 

KEYCOL4

 

Output

 

Keyboard row 4

92

 

AUXIP

 

Input

 

Aux audio to module from host (pos)

93

 

AUXIN

 

Input

 

Aux audio to module from host (neg)

94

 

AUXOP

 

Output

 

Aux audio from module to host (pos)

95

 

AUXON

 

Output

 

Aux audio from module to host (neg)

96

 

AREF

-

 

Analogue reference

97

 

MICIP

 

Input

 

Microphone input positive

98

 

MICIN

 

Input

 

Microphone input negative

99

 

EARP

 

Output

 

Earpiece output positive

100

 

EARN

 

Output

 

Earpiece output negative

PIN

Connection

Required

1- These signals are required if the external SIM interface is used

2- At least one of these interfaces is required to be connected

 

3, 4 - At least one of these interfaces is required to be connected

NOTE

5 - These pin connections are required for sleep mode operation

LZT 123 1836

29