Using the AT89RFD-08 Board
AT89RFD-08 Hardware User Guide
2-9
4382E–MP3–05/06
2.3
AT89C51SND2C
MP3
microcontroller
The microcontroller area consists of the AT89C51SND2C product along with the follow-
ing items:
n Reset Circuit
n 16 MHz Oscillator
n PLL Filter for USB clock generation
AT89C51SND2C is located in the center of the AT89RFD-08 Reference Design.
Figure 2-6.
Processor Placement
2.3.1
Reset
2.3.1.1
Power-on RESET
The on-board RC network acts as power-on RESET.
2.3.1.2
RESET Push Button
By pressing the RST push button on the board, a warm RESET of the AT89C51SND2C
is performed.
Figure 2-7.
RST Push Button