Filter
Top Products
LZT 123 1836 29
Pin Name Direction Function
PIN
Connection
Required
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
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
5
- These pin connections are required for sleep mode operation
NOTE