User's Manual

MeiG hardware design guide
17
configuration
GPIO8_SPI1_MOSI
116
O
SPI interface
GPIO9_SPI1_MISO
10
I
SPI interface
GPIO10_SPI1_CS
11
O
SPI interface
GPIO11_SPI1_CLK
83
O
SPI interface
GPIO14
76
I/O
Generic GPIO, without default
configuration
GPIO15
75
I/O
Generic GPIO, without default
configuration
GPIO16
70
I/O
Generic GPIO, without default
configuration
GPIO17
69
I/O
Generic GPIO, without default
configuration
GPIO36
127
I/O
Generic GPIO, without default
configuration
GPIO90
128
I/O
Generic GPIO, without default
configuration
GPIO95
130
I/O
Generic GPIO, without default
configuration
GPIO98
129
I/O
Generic GPIO, without default
configuration
Other functional pin
KYPD_PWR_N
52
I
Powerkey
PM_RESIN_N
57
I
Pull down to achieve reset
BAT_THERM
46
I
Battery temperature detection
(default battery terminal NTC
resistance is 10K)
PM8909_MPP4
67
I
Analog voltage input for use as
an ADC input
PM8909_MPP2
4
O
Analog voltage output for use
as a PWM output
RF_FM
63
I
FM antenna signal
Table 3.2：Pin Characteristics
Pin#
Pin name
GPIO Interrupt
Pad
characteristics
Functional description
1
MIPI_DSI0_LANE3_N
AI, AO
MIPI display serial interface 0 lane 3 –negative
2
MIPI_DSI0_LANE3_P
AI, AO
MIPI display serial interface 0 lane 3 –positive
3
GND
GND
GND
4
PM8909_MPP2
MPP2**
AO-Z; DO
Configurable MPP; used for PWM
5
LCD_TE0
GPIO24
B-PD:nppukp
Configurable I/O,CCI_TIMER0, GP_CLK0
6
VREG_L2_1P2
OUPUT
PMU Supply 1.2V
7
VREG_L6_1P8
OUPUT
PMU Supply 1.8V
8
VREG_L17_2P85
OUPUT
PMU Supply 2.85V
9
VREG_L8_2P9
OUPUT
PMU Supply 2.9V
10
GPIO9_SPI_MISO
GPIO9
B-PD:nppukp
Configurable I/O SPI