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User’s Manual
49
5. P
IN
A
SSIGNMENTS
AND
F
UNCTIONS
5.1 Package Schematic and Pinout
Figure 5-1. Package Outline and Pin Assignments
PB
6
P
B
7,
/S
L
A
V
E
A
TTN
P
A
0,
SD
0
PB
5
, SA1
PB
4
, SA0
PB
3
, /
S
R
D
PB
2
, /
S
WR
PA
1
, S
D
1
PB
1
, C
L
KA
PB
0
, C
L
KB
VDD
P
A
2,
SD
2
XT
A
L
B
2
XT
A
L
B
1
VSS
P
A
7,
SD
7
P
A
6,
SD
6
PA
5
, S
D
5
P
A
4,
SD
4
P
A
3,
SD
3
/WE1
A19
VDD
VSS
/OE1
A11
A9
A8
A13
A14
A17
/WE0
A18
A16
A15
A12
A7
A6
A5
A4
PC0, TXD
PC1, RXD
PC2, TXC
PC3, RXC
PC4, TXB
PC5, RXB
PC6, TXA
VDD
VSS
PC7, RXA
CLK
VSS
VDD
/CS2
/CS1
/OE0
A10
/CS0
D7
D6
D5
D4
D3
D2
D1
D0
A0
A1
A2
A3
/SCS, I7, PE7
I6, PE6
INT1B, I5, PE5
INT0B, I4, PE4
I3, PE3
I2, PE2
VSS
VDD
INT1A, I1, PE1
INT0A, I0, PE0
/I
ORD
/I
O
W
R
PD
0
/
B
U
F
EN
/
W
DT
OUT
SM
ODE
1
SM
ODE
0
PD
1
/
R
E
S
ET
ST
A
T
US
VSS
PD
2
XT
AL
A1
XT
AL
A2
VB
A
T
AR
XA,
PD7
ARXB
, PD5
A
T
XB
,
P
D
4
PD
3
A
T
X
A
, P
D
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
31
50
33
34
35
36
49
37
38
39
48
40
41
42
43
45
46
47
44
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
99
10
0
81
98
97
96
95
82
94
93
92
83
91
90
89
88
87
86
85
84
Summary of Contents for 2000
Page 1: ...Rabbit 2000 Microprocessor User s Manual 019 0069 041018 M...
Page 12: ...6 Rabbit 2000 Microprocessor...
Page 46: ...40 Rabbit 2000 Microprocessor...
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