PIN DESCRIPTION
Pin Pin Designation Description
PLCC-44 DIP-40
26
13
GND
Ground
13
1
18
6
V
DD
SCK
Positive Supply Voltage
(SPI) Serial clock input
19
7
MOSI
(SPI) Master Out: Slave In
20
8
MISO
(SPI) Master In: Slave Out
21
9
CE
Chip Enable input
22
10
RES
Reset input
23
11
END
Divider Enable
25
12
CLK
Oscillator or clock input
27
14
M3
3 / 4 Backplane enable input
28
15
V1
LCD Voltage input (Contrast)
35
21
VS[0]
LCD segment driver outputs
36
22
VS[1]
37
23
VS[2]
38
24
VS[3]
39
25
VS[4]
40
26
VS[5]
41
27
VS[6]
42
28
VS[7]
43
29
VS[8]
1
30
VS[9]
2
31
VS[10]
3
32
VS[11]
4
33
VS[12]
5
34
VS[13]
6
35
VS[14]
7
36
VS[15]
8
37
VS[16]
9
38
VS[17]
10
39
VS[18]
11
40
VS[19]
sames
SA8807A
5/14