User Manual

12
AT8xC5122/23
4202E–SCR–06/06
Figure 8. QFN32 Package Pinout
CIO
QFN32
P3.1/TxD
CCLK
P5.0
CC4
DVCC
CC8
XTAL1
LI
VCC
P3.7/LED3
CVCC
CVSS
P3.6/LED2
CRST
P1.2/CPRES
D- D+ AVCC AVSS PLLF
P3.4/T0/LED1
P3.0/RxD
28 27 26
1
2
3
4
5
6
7
24
23
22
21
20
19
18
1211109 131415
VSS
8
16
17
P1.6
P3.5/T1/CRST1
P1.7/CCLK1 VREF
2529303132
XTAL2
RST
P3.2/INT0/LED0/CIO1
P3.3/INT1