at83c5122 ATMEL Corporation, at83c5122 Datasheet - Page 9

• Manufacturer Part Number: at83c5122
• Description: At83c5123 C51 Microcontroller With Usb And Smart Card Reader Interfaces
• Manufacturer: ATMEL Corporation

AT89C5122DS version
4202E–SCR–06/06
Figure 4. VQFP64 Package Pinout
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
DVCC
CRST
CCLK
PSEN
CC8
CC4
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
64
18
63
19
62 61 60 59 58
20
21
22
VQFP64
23
57 56 55 54 53
24
25
26
27
28
52
29
51 50 49
30
31 32
AT8xC5122/23
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
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
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