MB90420G/425G Series
Pin no.
LQFP
QFP
Symbol
Circuit
type
Description
P70 to P73
General purpose input output ports.
52 to 55
54 to 57
PWM1P0
PWM1M0
PWM2P0
PWM2M0
H
Stepping motor controller ch.0 output pins.
P74 to P77
General purpose input output ports.
57 to 60
59 to 62
PWM1P1
PWM1M1
PWM2P1
PWM2M1
H
Stepping motor controller ch.1 output pins.
P80 to P83
General purpose input output ports.
62 to 65
64 to 67
PWM1P2
PWM1M2
PWM2P2
PWM2M2
H
Stepping motor controller ch.2 output pins.
P84 to P87
General purpose input output ports.
67 to 70
69 to 72
PWM1P3
PWM1M3
PWM2P3
PWM2M3
H
Stepping motor controller ch.3 output pins.
P54
General purpose input output port.
72
74
G
TX0
CAN interface 0 TX output pin.
P55
General purpose output port.
73
75
G
RX0
CAN interface 0 RX input pin.
P56
General purpose input output port.
74
76
SGO
G Sound generator SGO output pin.
FRCK
Free-run timer clock input pin.
P57
General purpose input output port.
76
78
G
SGA
Sound generator SGA output pin.
28 to 31 30 to 33 V0 to V3 ⎯ LCD controller /driver reference power supply pins.
56, 66 58, 68
DVCC
⎯
High current output buffer with dedicated power supply input pins
(pin numbers 54-57, 59-62, 64-67, 69-72) .
51, 61, 71 53, 63, 73 DVSS
⎯
High current output buffer with dedicated power supply GND pins
(pin numbers 54-57, 59-62, 64-67, 69-72) .
32
34
AVCC
⎯ A/D converter dedicated power supply input pin.
35
37
AVSS
⎯ A/D converter dedicated GND supply pin.
33
35
AVRH
⎯ A/D converter Vref + input pin. Vref − AVss.
(Continued)
DS07-13711-5E
9