at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 15

• Manufacturer Part Number: at85c51snd3
• Description: At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

OCD Interface
7632D–MP3–01/07
Table 16. OCD Signal Description
RLVDD
IOVDD
IOVSS
Signal
Signal
OCDR
Name
HVDD
CVSS
Name
OCDT
BVSS
LVDD
VSS
PWR
PWR
PWR
PWR
Type Description
GND
GND
GND
GND
Type Description
I/O
I
Battery Ground
Connect this pin to the negative pin of the battery.
Low Voltage DC-DC Power Supply output
This pin outputs +1.8V typ. from internal DC-DC (battery powered).
Low Voltage Regulator Power Supply Output
This pin outputs +1.8V typ. from internal regulator (USB powered or
+3V external power supply).
Connect this pin to LVDD incase of internal DC-DC usage.
High Voltage Power Supply
This pin outputs +3V typ. from internal regulator (USB powered).
Connect this pin to +3V external power supply.
Power Ground
Connect this pin to the system ground.
Core Ground
Connect this pin to VSS pin.
Input/Output Supply voltage
Connect this pin to LVDD or HVDD pin.
Input/Output Circuit Ground
Connect this pin to VSS pin.
On Chip Debug Receive Input
OCDR receives data.
On Chip Debug Transmit Output
OCDT transmits data.
Alternate
Alternate
Function
Function
ISP
-
-
-
-
-
-
-
-
-
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