Atmel AT85DVK-07 Spezifikationen PDF herunterladen (Seite 14)

AT85C51SND3Bx

7632A–MP3–03/06

OCD Interface Table 16. OCD Signal Description

BVSS GND

Battery Ground

Connect this pin to the negative pin of the battery.

LVDD PWR

Low Voltage DC-DC Power Supply output

This pin outputs +1.8V typ. from internal DC-DC (battery powered).

RLVDD PWR

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.

HVDD PWR

High Voltage Power Supply

This pin outputs +3V typ. from internal regulator (USB powered).

Connect this pin to +3V external power supply.

VSS GND

Power Ground

Connect this pin to the system ground.

CVSS GND

Core Ground

Connect this pin to VSS pin.

IOVDD PWR

Input/Output Supply voltage

Connect this pin to LVDD or HVDD pin.

IOVSS GND

Input/Output Circuit Ground

Connect this pin to VSS pin.

Signal

Name Type Description

Alternate

Function

Signal

Name

Type Description

Alternate

Function

OCDR I

On Chip Debug Receive Input

OCDR receives data.

OCDT I/O

On Chip Debug Transmit Output

OCDT transmits data.

ISP

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