Datasheet

12
4337K–USB–04/08
AT89C5130A/31A-M
4. Typical Application
4.1 Recommended External components
All the external components described in the figure below must be implemented as close as pos-
sible from the microcontroller package.
The following figure represents the typical wiring schematic.
Figure 4-1. Typical Application
VSS
XTAL1
XTAL2
Q
22pF
22pF
VSS
PLLF
100R
10nF
2.2nF
VSS
VSS
AVSS
VSS
D-
UCAP
1µF
VSS
D+
27R
27R
VRef
1.5K
USB
D+
D-
VBUS
GND
VSS
VDD
AVDD
VDD
VDD
4.7µF
VSS
100nF
VSS
100nF
VSS
UVSS
AT89C5130A/31A-M
+20%