HL15604
5. Pin Description
PIN Name
SEG[41:1]
COM [4:1]
VCL[2:1]
OSC
I/O
O
O
I
Pin Number
Contents
41
4
2
1
6
5
1
1
1
1
1
4
1
1
LCD SEG Pins share P1,P2,P3 and P4
LCD Common Pins
LCD Bias Pins
I/O
O
I
Oscillator Input Pin
KS[6:1]
KIN[5:1]
CE
Key Scan Output Pins
Key Scan Input Pins
I
Serial I/O Control Pin
Serial I/O Clock Pin
SCK
I
SO
O
I
Serial I/O Data Output Pin
Serial I/O Data Input Pin
Test Pin. “ 1” Test mode , “ 0” Normal Mode
Output Port share SEG[4:1]
Power Supply Pin
SI
TEST
I
P[4:1]
VDD
O
I
VSS
I
Ground Pin
6