UPD72107 Datasheet, PDF (5/32 Pages) NEC – LAP-B CONTROLLER(Link Access Procedure Balanced mode)

68-pin plastic QFJ (950 × 950 mils)
µPD72107L
µPD72107
RESET
IC
B/W
PU
CLK
GND
GND
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
CLRINT
INT
UBE
MWR
MRD
GND
IOWR
IORD
CS
VCC
VCC
D7
D6
D5
D4
D3
D2
5