User's Manual

A8000 User Guide
Confidential
A8000_User_Guide_V1.0 Page 20 of 22 2009/05/13
55 AIN_N2
Auxiliary MIC
input-(differential)
56 AIN_P2
Auxiliary MIC
input-(differential)
57 AIN_N1
Normal MIC
input-(differential)
58 AIN_P1
Normal MIC
input-(differential)
59 GND
Ground
60 GND
Ground
61 VBAT
A8000 power
supply(3.4V~4.2V)
62 VBAT
A8000 power
supply(3.4V~4.2V)）
63 GND Ground
64 CDT
Charger detect(only for
PMB7880 charging
scheme)
65 CS
Charging switch(only
for PMB7880 charging
scheme)
66 ADC2
Analog sample signal
input
67 ADC1
Analog sample signal
input
68 IIC_CLK
IIC clock GPIO Resistance(10K) needed to
pulled up to VDD_LDO
69 IIC_DATA
IIC data GPIO Resistance(10K) needed to
pulled up to VDD_LDO
70 LCD_CS SPI: LCD chip select GPIO
71 LCD_A0
SPI: LCD register
select(instruction or
data)
GPIO
72 LCD_CLK SPI: LCD clock GPIO
73 LCD_RESET SPI: LCD reset GPIO
74 LCD_DATA SPI: LCD data GPIO