Smart Module Series
SC690A_Series_Hardware_Design 32 / 105
Antenna Tuner Control Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
GRFC_10
241
DIO
Generic RF
controller
GRFC_9
242
DIO
Generic RF
controller
ADC Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
ADC
152
AI
General-purpose
ADC interface
Maximum input
voltage: 1.875 V.
Charging Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
BAT_P
27
AI
Battery voltage
detect (+)
Cannot be kept
open.
BAT_M
28
AI
Battery voltage
detect (-)
Cannot be kept
open.
BAT_THERM
29
AI
Battery temperature
detect
Internally pulled
up.
Externally
connected to GND
via a 10 k
Ω NTC
resistor.
Maximum input
voltage: 1.875 V.
BAT_ID
17
AI
Battery type detect
Maximum input
voltage: 1.875 V.
If unused, keep
this pin open.
Vibration Motor Driver Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
VIB_DRV
226
PO
Vibration motor
driver output control
Vmin = 1.504 V
Vmax = 3.544 V
Imax = 300 mA
Other Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment