Rainbow Electronics AT89C5122 - Manual (Page 12)

12
AT8xC5122/23
4202E–SCR–06/06
Figure 8. QFN32 Package Pinout
CIO
QFN32
P3.1/TxD
CCLK
P5.0
CC4
DVCC
CC8
XT
AL
1 LI
VC
C
P
3
.7
/LE
D
3
CV
CC
CV
S
S
P3.6/LED2
CRST
P1.2/CPRES
D- D+ AV
C
C
AV
S
S
PL
L
F
P3.4/T0/LED1
P3.0/RxD
28 27 26
1
2
3
4
5
6
7
24
23
22
21
20
19
18
12 11 10 9 13 14 15
VSS 8
16
17
P1.6
P3.5/T1/CRST1
P1
.7
/C
C
L
K1
VR
E
F
25 29 30 31 32
XT
AL
2
RS
T
P3.2/INT0/LED0/CIO1
P3.3/INT1