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LDO2C_1V8
VRTC
GND
Battery Detection
Pin Name
BAT_P
BAT_M
BAT_THERM
BAT_ID
Turn On/Off
Pin Name
PWRKEY
VOL_DOWN
VOL_UP
SG560D_Series_Hardware_Design
1.8 V output
626
PO
(reserved power)
Power supply for
312
PIO
RTC
6, 8–10, 12, 13, 22, 23, 32, 34, 35, 37, 39, 46, 47, 56–58, 76–78, 81–85, 87–91, 93, 96,
97, 100, 101, 105, 108, 114, 115, 118, 125, 127, 129, 132, 143, 146, 171, 179, 182,
204–206, 208, 209, 212–218, 221, 224, 225, 228–230, 233–237, 239–241, 243, 245,
246, 248–250, 252, 253, 255, 257, 260, 261, 264–266, 269–273, 275–277, 279, 281,
282, 284, 285, 288–290, 293, 295–297, 299–301, 303, 304, 313, 316, 334, 335, 344,
350, 359, 361–364, 367, 371, 379, 381, 382, 387, 394, 404–406, 411, 413, 414, 416,
417, 425–428, 433–580, 592, 595, 604, 623
Pin No.
I/O
Description
Battery voltage
418
AI
detect (+)
Battery voltage
419
AI
detect (-)
Battery temperature
407
AI
detect
410
AI
Battery ID detect
Pin No.
I/O
Description
Turn on/off the
332
DI
module
333
DI
Volume down
329
DI
Volume up
Smart Module Series
Vnom = 1.8 V
I
max = 150 mA
O
Vmin = 2.0 V
Vnom = 3.0 V
Vmax = 3.25 V
DC Characteristics
DC Characteristics
1.8 V
to add 1–4 μF
bypass capacitors
with a total
capacitance not
exceeding 4 μF.
Comment
Must be
connected.
Internally pulled up.
Supports 100 kΩ
NTC thermistor by
default.
Connect it to
100 kΩ NTC
thermistor.
If not used, connect
it to GND with a
100 kΩ resistor.
If not used, keep it
unconnected.
Comment
27 / 134
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