Rainbow Electronics AT89C5122 - Manual (Page 8)

8
AT8xC5122/23
4202E–SCR–06/06
Figure 3. QFN64 Package Pinout
62 61 60 59 58 63 57 56 55 54 53
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
P3.1/TxD
P4.3/LED4
P4.4/LED5
P3.6/WR/LED2
D-
XT
A
L
1
XT
A
L
2
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
CRST
CCLK
LI
P
2
.3
/A
1
1
2
3
4
5
6
7
8
9
10
11
48
47
46
45
44
43
42
41
40
39
38
QFN64
64 52
12
13 36
37
VC
C
VSS
P5.0/KB0
P
3
.7
/RD/
L
E
D3
51 50
AV
S
S
49
AV
C
C
P3.3/INT1
35
33
34
P3.4/T0/LED1
P3.5/T1/CRST1
CV
CC
14
15
16
CV
S
S
31 32
P
0
.0
/A
D0
P1.2/CPRES
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
P1
.7
/C
C
L
K1
P5.1/KB1
P5.2/KB2
P5.3/KB3
P5.4/KB4
P5.5/KB5
P5.6/KB6
P5.7/KB7
P3.2/INT0/LED0/CIO1
CC4
PL
L
F
AL
E
PSEN
DVCC
CC8
CIO
P3.0/RxD
1
30 29 28 27 26 25 24 23 22 21 20 19 18 17
VR
E
F
EA
RST