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MeiG Smart product technical information
SLM500 Hardware Design Guide Page 16
CDC_HPH_R
136
O
Right channel of earphone
CDC_HPH_L
138
O
Left channel of earphone
CDC_HSDET_L
139
I
Headphone plug and unplug
detection
CDC_HPH_REF
137
I
Earphone reference GND
EAR_P
8
O
Earpiece output negative
EAR_M
9
O
Earpiece output positive
SPKR_OUT_P
10
O
Power amplifier output negative
Class D
SPKR_OUT_M
11
O
Power amplifier output positive
Class D
SD card Interface
GPIO67_SD_CARD_DET_N
45
I/O
SD card insertion detection
SDC2_SDCARD_CMD
40
I/O
SD CMD
SDC2_SDCARD_CLK
39
I/O
SD clock
SDC2_SDCARD_D0
41
I/O
SD data
SDC2_SDCARD_D1
42
I/O
SDC2_SDCARD_D2
43
I/O
SDC2_SDCARD_D3
44
I/O
I2C
GPIO29_CAM_I2C_SDA0
84
I/O
Special I2C signal can only be
used for CAM
Pullup to
VREG_L6_1P
8
GPIO30_CAM_I2C_SCL0
83
I/O
GPIO31_DCAM_I2C_SDA1
205
I/O
Default for DCAM
GPIO32_DCAM_I2C_SCL1
166
I/O
GPIO14_SENSOR_I2C4_SDA
92
I/O
Special I2C signal can only be
used for SENSOR
GPIO15_SENSOR_I2C4_SCL
91
I/O
GPIO10_TP_I2C3_SDA
48
I/O
Universal I2C signal, which is
used by default for TP
Pullup to
VREG_L5_1P
8
GPIO11_TP_I2C3_SCL
47
I/O
GPIO6
167
I/O
Universal I2C signal,。
GPIO7
168
I/O
TP
GPIO10_TP_I2C3_SDA
48
I/O
Universal I2C signal, which is
used by default for TP
Pullup to
VREG_L5_1P
8
GPIO11_TP_I2C3_SCL
47
I/O
GPIO65_TP_INT_N
30
I
TP interrupt
GPIO64_TP_RESET_N
31
O
TP reset
USB
USB_HS_DM
13
I/O
USB DM
USB_HS_DP
14
I/O
USB DP
USB_HS_ID
16
I
USB ID