Rainbow Electronics AT89C5122 - Manual (Page 7)

7
AT8xC5122/23
4202E–SCR–06/06
Figure 2. PLCC68 Package Pinout (for engineering purpose only)
18
17
16
15
14
13
11
P
0
.1/A
D1
P
0
.3/A
D3
P
0
.5/A
D5
P
0
.7/A
D7
D+
P4.1/MOSI
P4.0/MISO
P4.2/SCK
P4.5/LED6
CC8
P4.3/LED4
P4.4/LED5
P3.6/WR/LED2
D-
XT
A
L
2
XT
A
T
1
P
2
.5/A
13
P
2
.4/A
12
P
2
.2/A
10
P
2
.1/A
9
P
2
.0/A
8
P3.1/TxD
CCLK
LI
P
2
.3/A
1
1
PLCC68
VC
C
VSS
P5.0/KB0
P
3
.7
/RD/L
E
D3
AV
S
S
AV
C
C
P3.3/INT1
P3.4/T0/LED1
P3.5/T1/CRST1
CV
CC
CV
S
S
CIO
P
0
.0/A
D0
P3.0/RxD
P
0
.2/A
D2
P
0
.4/A
D4
P
0
.6/A
D6
P1.6/SS
P2.7/A15
P
2
.6/A
14
P
1
.7/CCLK
1
P5.1/KB1
P5.3/KB3
P5.4/KB4
P5.5/KB5
P5.6/KB6
P5.7/KB7
P3.2/INT0/LED0/CIO1
VR
E
F
CC4
P
LLF
AL
E
PSEN
DVCC
P1.2/CPRES
CRST
N/A
N/A
1 68 67 66 65 64 63 62 61 2 3 4 5 6 7 8 9
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
10
12
19
20
21
22
24
25
26
35 36 37 38 39 40 41 42 43 34 33 32 31 30 29 28 27
23
NC
NC
EA
RST
P5.2/KB2
NC : not connected
N/A : not available