ST2601B
TABLE 4-2 Signal Function Groups (continued)
Function Group
Pad No. Designation
Description
External
clock/signal
interrupt
External interrupt inputs
INTX/PC0
BCO/PE2/SEG43 ,
TCO1/PE1/SEG42 ,
TCO0/PE0/SEG41
Clocking outputs / LCD Segment drivers
Clocking output
GPIO / LCD drivers
PE6~3/SEG47~SEG44
I/O port E/ LCD Segment drivers
LCD control signals
BLANK/COM0,
POFF/COM1,
FLM/COM2,
LCD control
signals (for
controller mode)
LOAD1/COM3,
LOAD2/COM4,
AC/COM5,CP/COM6,
EIO/COM7,
LD7~LD0/COM15/COM8
LCD voltage
source
LCD voltage sources
Vout, Vlcd, V1, V2, V3, V4
C1+, C1-, C2+, C2-
VIN
LCD voltage
booster
Connect a 0.1 uF between C1+ and C1-, C2+ and C2-
repectively.
Low Voltage
Detector
Analog input pin of Low Voltage Dector module
6/35
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