W79E548 Datasheet, PDF (4/79 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E548/W79L548
DEVICE
W79E548
W79L548
OPERATING OPERATING
FREQUENCY VOLTAGE
up to 40MHz 4.5V ~ 5.5V
up to 25MHz 3.0V ~ 5.5V
3. PIN CONFIGURATIONS
NOMAL
PLCC68
PLCC68
PACKAGE
LEAD FREE(ROHS)
PLCC68
PLCC68
P5.0
10
P5.1
11
P5.2
12
P5.3
13
RST
14
P5.4
15
P5.5
16
P5.6
17
P5.7
18
RXD, P3.0
19
P4.3
20
TXD, P3.1
21
INT0, P3.2
22
INT1, P3.3
23
T0, P3.4
24
T1, P3.5
25
WR, P3.6
26
PLCC 68-pin
60
P0.3, AD3
59
P0.4, AD4
58
P0.5, AD5
57
P0.6, AD6
56
P0.7, AD7
55
P6.7
54
P6.6
53
P6.5
52
P6.4
51
EA
50
P4.1
49
ALE
48
PSEN
47
P2.7, A15
46
P2.6, A14
45
P2.5, A13
44
P2.4, A12
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