Chapter 1 general – NEC PD78214 User Manual
Page 38
9
Chapter 1 General
1
(4) 74-pin plastic QFP (20
× 20 mm)
Remark The NC pins are not connected inside the chip.
P65/WR
P66/WAIT/AN6
P67/REFRQ/AN7
P07
NC
P06
P05
P04
P03
NC
P02
P01
P00
P37/TO3
P36/TO2
P35/TO1
NC
P34/TO0
P70/AN0
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
P50/A8
P47/AD7
P46/AD6
P45/AD5
P44/AD4
P43/AD3
P42/AD2
V
SS
V
SS
P41/AD1
P40/AD0
ASTB
NC
P20/NMI
P21/INTP0
P22/INTP1
P23/INTP2/CI
P24/INTP3
P51/A9
P52/A10
P53/A11
P54/A12
P55/A13
P56/A14
P57/A15
V
SS
V
SS
X1
X2
RESET
NC
P60/A16
P61/A17
P62/A18
P63/A19
P64/RD
P25/INTP4/ASCK
P26/INTP5
P27/SI
NC
P30/R
X
D
P31/T
X
D
P32/SCK
P33/SO/SB0
EA
V
DD
V
DD
AV
SS
AV
REF
P75/AN5
P74/AN4
P73/AN3
P72/AN2
P71/AN1
NC
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
PD78212GJ-
×××
-5BJ
PD78213GJ-5BJ
PD78214GJ-
×××
-5BJ
PD78214GJ(A)-
×××
-5BJ
PD78P214GJ-5BJ
PD78P214GJ-
×××
-5BJ
µ
µ
µ
µ
µ
µ
74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57