XMEGAA datasheet(42/445 Pages) ATMEL

42 / 445 page

8077H–AVR–12/09

XMEGA A

• Bit 7:0 - DACAGAINCAL[7:0] - DACB Gain Calibration Byte

This byte contains the gain calibration value for the Digital to Analog Converter B (DACB). Cali-

bration of the Digital to Analog Converters are done during production test of the device. The

calibration byte is not loaded automatically into the DAC Gain Calibration register, and this must

be done from software.

4.17.24

DACBOFFCAL - DACB Offset Calibration Register

• Bit 7:0 - DACBOFFCAL[7:0] - DACB Offset Calibration Byte

This byte contains the offset calibration value for the Digital to Analog Converter B (DACB). Cal-

ibration of the Digital to Analog Converters are done during production test of the device. The

calibration byte is not loaded automatically into the DAC Offset Calibration register, and this

must be done from software.

4.18

4.18.1

GPIORn – General Purpose I/O Register n

This is a general purpose register that can be used to store data such as global variables in the

bit accessible I/O memory space.

4.19

Refer to ”EBI - External Bus Interface” on page 268.

4.20

4.20.1

DEVID0 - MCU Device ID Register 0

The DEVID0, DEVID1 and DEVID2 contains the 3-byte identification that identify each micro-

controller device type. For details on the actual ID refer to the device data sheet.

Bit

765

+0x33

DACBOFFCAL[7:0]

DACAOFFCAL

Read/Write

Initial Value

Bit

543

210

GPIORn[7:0]

GPIORn

Read/Write

R/W

Initial Value

Bit

+0x00

DEVID0[7:0]

DEVID0

Read/Write

Initial Value

1/0

XMEGAA Datasheet(PDF) 42 Page - ATMEL Corporation

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