ADVANCE INFORMATION
VCT 38xxA
Pin No.
Pin Name
Type
Connection Short Description
(If not used)
PSDIP
64-pin
PMQFP
128-pin
CPGA
257-pin
56
57
58
59
60
61
66
67
68
69
70
71
72
73
74
75
79
80
81
82
83
84
85
86
87
88
124
125
126
127
128
R-2
P27
IN/OUT
IN/OUT
IN/OUT
IN/OUT
SUPPLY
SUPPLY
IN
LV
Port 2, Bit 7
Port 2, Bit 6
Port 2, Bit 5
Port 2, Bit 4
T-1
P26
LV
T-2
P25
LV
U-1
P24
LV
U-2
VSUPP2
GNDP2
VBCLK
VB7
X
Supply Voltage, Port 2
Ground, Port 2
V-1
X
W-3
Y-2
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
LV
Video Bus Clock
IN
Video Bus 7
W-4
Y-3
VB6
IN
Video Bus 6
VB5
IN
Video Bus 5
W-5
Y-4
VB4
IN
Video Bus 4 / Bond 0=16k Text RAM
Video Bus 3 / Bond 1=CTI
Video Bus 2 / Bond 2=Scaler
Video Bus 1 / Bond 3=Comb Filter
Video Bus 0 / Bond 4=VDP Full/Lite
20 MHz System Clock Output
Port 3, Bit 7
VB3
IN
W-6
Y-5
VB2
IN
VB1
IN
W-7
Y-6
VB0
IN
CLK20
P37
OUT
Y-9
IN/OUT
IN/OUT
IN/OUT
IN/OUT
SUPPLY
SUPPLY
IN/OUT
IN/OUT
IN/OUT
IN/OUT
OUT
LV
Y-10
Y-11
Y-12
Y-13
W-13
Y-14
W-14
Y-15
W-15
D-19
C-20
C-19
B-20
B-19
P36
LV
Port 3, Bit 6
P35
LV
Port 3, Bit 5
P34
LV
Port 3, Bit 4
VSUPP3
GNDP3
P33
X
Supply Voltage, Port 3
Ground, Port 3
X
LV
Port 3, Bit 3
P32
LV
Port 3, Bit 2
P31
LV
Port 3, Bit 1
P30
LV
Port 3, Bit 0
WE1Q
WE2Q
OE1Q
OE2Q
ADB18
LV
Write Enable Output 1
Write Enable Output 2
Output Enable Output 1
Output Enable Output 2
Address Bus 18
OUT
LV
OUT
LV
OUT
LV
OUT
LV
Micronas
141
MICRONAS [ MICRONAS ]
