AT89DVK-04 Atmel, AT89DVK-04 Datasheet - Page 9

• Manufacturer Part Number: AT89DVK-04
• Description: BOARD DEMO MP3 PLAYER
• Manufacturer: Atmel

Specifications of AT89DVK-04

• Processor To Be Evaluated: AT89C51SND1
• Interface Type: USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: SND1-DEMOBOARD

4206A–MP3–11/02
AT89C51SND1 Development Board
2.1.13
2-5
Analog (AN) Area
Table 4. J11 Pinout (Continued)
The AN area consists of a 2-pin analog extension connector. It allows direct connection
to the AT89C51SND1 AIN0 input. It can be used, for example, to monitor a battery level
or to connect a remote control located on the headphone cable. Figure 2-7 shows the
UART extension connector pinout while Table 5 gives its pin assignment.
Figure 2-7. J1 Analog Extension Connector
Table 5. J1 Pinout
Pin Number
Pin Number
3
4
1
2
Pin Assignment
RXD (3V logic signal)
TXD (3V logic signal)
Pin Assignment
3V max analog input
AVREFN (Analog 0V reference signal)
2
AT89C51SND1C Development Board User Guide
1