MB89550A Series
s PIN DESCRIPTION
Pin
No.
Pin Name
Circuit
Type
Function
1
SEG05
H
2
SEG06
H Segment output pins for LCDC duty drive.
3
SEG07
H
4
P50/
SEG08
G
N-ch open drain I/O pin.
Also functions as a segment output pin for LCDC duty drive.
5
VSS
Power supply (GND) pin.
6
P51/
SEG09
7
P52/
SEG10
8
P53/
SEG11
9
P54/
SEG12
G
N-ch open drain I/O pins.
Also function as segment output pins for LCDC duty drive.
10
P55/
SEG13
11
P56/
SEG14
12
P57/
SEG15
13
P60/
SEG16
14
P61/
SEG17
15
P62/
SEG18
16
P63/
SEG19
17
P64/
SEG20
18
P65/
SEG21
G
N-ch open drain I/O pins.
Also function as segment output pins for LCDC duty drive or static drive.
19
P66/
SEG22
20
P67/
SEG23
21
P70/
SEG24
22
P71/
SEG25
(Continued)
8