User's Manual

MeiG hardware design guide
16
CDC_HPH_L
40
O
Headphone left channel
CDC_HS_DET
45
I
Headphone plug detection
CDC_HPH_REF
39
I
Headphone reference ground
CDC_EAR_P
41
O
Earpiece output positive
CDC_EAR_M
42
O
Earpiece output negative
SPKR_DRV_P
43
O
Amplifier (0.85W) output
positive
Class_D
SPKR_DRV_M
44
O
Amplifier (0.85W) output
negative
Class_D
SD Card Interface
SDC2_SDCARD_DET
95
I/O
SD card insertion detection
SDC2_SDCARD_CMD
96
I/O
SD CMD signal
SDC2_SDCARD_CLK
97
I/O
SD clock signal
SDC2_SDCARD_D0
98
I/O
SD data signal
SDC2_SDCARD_D1
99
I/O
SDC2_SDCARD_D2
100
I/O
SDC2_SDCARD_D3
101
I/O
I2C
CAM_I2C_SDA
23
I/O
I2C signal, dedicated to CAM
Up to the L6
CAM_I2C_SCL
24
I/O
I2C signal, dedicated to CAM
SENSOR_I2C_SDA
59
I/O
I2C signal, default SENSOR
SENSOR_I2C_SCL
58
I/O
I2C signal, default SENSOR
TP_I2C_SDA
72
I/O
I2C signal, default TP
TP_I2C_SCL
71
I/O
I2C signal, default TP
TP
TP_INT_N
73
I
TP interrupt signal
TP_RST_N
74
O
TP reset signal
USB
USB_DM
112
I/O
USB DM
USB_DP
113
I/O
USB DP
USB_ID
114
I
USB ID
Antenna interface
RF_MAIN
86
I/O
The main antenna
RF_WIFI/BT
54
I/O
WIFI/BT antenna
RF_DIV
65
I
Diversity antenna
RF_GPS
61
I
GPS antenna
GPIO and default function
GPIO0
92
I/O
Generic GPIO, without default
configuration
GPIO1
91
I/O
Generic GPIO, without default
configuration
GPIO2
90
I/O
Generic GPIO, without default
configuration
GPIO3
89
I/O
Generic GPIO, without default