AT91SAM9G45(2009) Просмотр технического описания (PDF) - Atmel Corporation

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производитель

AT91SAM9G45
(Rev.:2009)

AT91 ARM Thumb-based Microcontrollers

Atmel Corporation 

7.3 Chip Identification

The AT91SAM9G45 Chip ID is defined in the Debug Unit Chip ID Register and Debug Unit Chip

ID Extension Register.

• Chip ID: 0x819B05A2

• Ext ID: 0x00000004

• JTAG ID: 05B2_703F

• ARM926 TAP ID: 0x0792603F

7.4 Backup Section

The AT91SAM9G45 features a Backup Section that embeds:

• RC Oscillator

• Slow Clock Oscillator

• SCKR register

• RTT

• RTC

• Shutdown Controller

• 4 backup registers

• A part of RSTC

This section is powered by the VDDBU rail.

22 AT91SAM9G45

6438D–ATARM–13-Oct-09

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