
MB90925 Series
10
(Continued)
*1: FPT-100P-M05
*2: FPT-100P-M06
*3: For the I/O circuit type, refer to “
■
I/O CIRCUIT TYPE”
*4: Type C in MB90F927 and MB90F927S, type D in MB90V925-101 and MB90V925-102.
Pin no.
Pin name
I/O
circuit
type*
3
Function
LQFP*
1
QFP*
2
74
76
P56
G
General-purpose input/output port
SGO
Sound generator SGO output pin
FRCK
Free-run timer clock input pin
76
78
P57
G
General-purpose input/output port
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
DV
CC
Power supply input pins dedicated for high current output buffer
(pin numbers 54 to 57, 59 to 62, 64 to 67, 69 to 72) .
51, 61, 71 53, 63, 73
DV
SS
Power supply GND pins dedicated for high current output buffer (pin
numbers 54 to 57, 59 to 62, 64 to 67, 69 to 72) .
32
34
AV
CC
A/D converter dedicated power supply input pin
35
37
AV
SS
A/D converter dedicated power supply GND pin
A/D converter Vref
+
input pin
33
35
AVRH
47,
48
49,
50
MD0,
MD1
C
Test mode input pins. Connect to V
CC
.
49
51
MD2
C/D
*4
Test mode input pin. Connect to V
SS
.
External capacitor pin. Connect an 0.1
μ
F capacitor between this
pin and V
SS
.
25
27
C
21, 82
23, 84
V
CC
Power supply input pins
9, 40, 79
11, 42, 81
V
SS
Power supply GND pins