![](http://datasheet.mmic.net.cn/120000/MB90F922NCSPMC_datasheet_3559166/MB90F922NCSPMC_9.png)
MB90920 Series
DS07-13750-3E
9
(Continued)
Pin no.
Pin name
I/O circuit
type*1
Function
70
P73
L
General-purpose output-only port
PWM2M0
Stepping motor controller ch.0 output pin
71
P74
L
General-purpose output-only port
PWM1P1
Stepping motor controller ch.1 output pin
72
P75
L
General-purpose output-only port
PWM1M1
Stepping motor controller ch.1 output pin
73
P76
L
General-purpose output-only port
PWM2P1
Stepping motor controller ch.1 output pin
74
P77
L
General-purpose output-only port
PWM2M1
Stepping motor controller ch.1 output pin
77
P80
L
General-purpose output-only port
PWM1P2
Stepping motor controller ch.2 output pin
78
P81
L
General-purpose output-only port
PWM1M2
Stepping motor controller ch.2 output pin
79
P82
L
General-purpose output-only port
PWM2P2
Stepping motor controller ch.2 output pin
80
P83
L
General-purpose output-only port
PWM2M2
Stepping motor controller ch.2 output pin
81
P84
L
General-purpose output-only port
PWM1P3
Stepping motor controller ch.3 output pin
82
P85
L
General-purpose output-only port
PWM1M3
Stepping motor controller ch.3 output pin
83
P86
L
General-purpose output-only port
PWM2P3
Stepping motor controller ch.3 output pin
84
P87
L
General-purpose output-only port
PWM2M3
Stepping motor controller ch.3 output pin
22
P90
F
General-purpose I/O port
SEG22
LCD controller/driver segment output pin
23
P91
F
General-purpose I/O port
SEG23
LCD controller/driver segment output pin
31
P94
G
General-purpose I/O port
V0
LCD controller/driver reference power supply pin
32
P95
G
General-purpose I/O port
V1
LCD controller/driver reference power supply pin