AT83C5122_08 ATMEL [ATMEL Corporation], AT83C5122_08 Datasheet - Page 6

• Manufacturer Part Number: AT83C5122_08
• Description: C51 Microcontroller with USB and Smart Card Reader Interfaces
• Manufacturer: ATMEL [ATMEL Corporation]

6
AT83R5122, AT8xC5122/23
Figure 2. PLCC68 Package Pinout (for engineering purpose only)
P1.2/CPRES
P5.7/KB7
P5.6/KB6
P5.5/KB5
P5.4/KB4
P5.3/KB3
P5.2/KB2
P5.1/KB1
P5.0/KB0
CRST
DVCC
CCLK
PSEN
CC8
CC4
VSS
NC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
9
28
8
29
7
30
6
31
5
32
4
PLCC68
33
3
34
2
35 36 37 38 39 40 41 42 43
1 68 67 66 65 64 63 62 61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
N/A
P3.1/TxD
P1.6/SS
P2.7/A15
P3.0/RxD
P3.5/T1/CRST1
P3.2/INT0/LED0/CIO1
P4.0/MISO
P3.3/INT1
P4.1/MOSI
P3.4/T0/LED1
P4.2/SCK
P4.3/LED4
P3.6/WR/LED2
P4.4/LED5
RST
P4.5/LED6
NC : not connected
N/A : not available
4202F–SCR–07/2008