UPD784020 Datasheet, PDF (8/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCOMPUTER

3. PIN CONFIGURATION (TOP VIEW)
• 80-pin plastic QFP (14 ¥ 14 mm)
H
mPD784020GC-3B9, mPD784021GC-3B9
• 80-pin plastic TQFP (fine pitch) (12 ¥ 12 mm)
H
mPD784021GK-BE9
mPD784020, 784021
P32 /SCK0
P33/SO0/SB0
P34/ TO0
P35/ TO1
P36/ TO2
P37/ TO3
RESET
VDD
X2
X1
VSS
P00
P01
P02
P03
P04
P05
P06
P07
P67/REFRQ/HLDAK
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
1
60
2
59
3
58
4
57
5
56
6
55
7
54
8
53
9
52
10
51
11
50
12
49
13
48
14
47
15
46
16
45
17
44
18
43
19
42
20
41
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
P74/ANI4
P73/ANI3
P72 /ANI2
P71/ANI1
P70/ANI0
VDD
P17
P16
P15
P14/TXD2/SO2
P13/RXD2/SI2
P12/ASCK2/SCK2
P11/PWM1
P10/PWM0
TEST^Note
VSS
ASTB
AD0
AD1
AD2
Note Connect the TEST pin to VSS directly.
8