Datasheet

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XMEGA B [DATASHEET]
8291B–AVR–01/2013
4.16.25 TEMPSENSE1 – Temperature Sensor Calibration Register 1
 Bit 7:0 – TEMPSENSE1[7:0]: Temperature Sensor Calibration Byte 1
This byte contains byte 1 of the temperature measurement.
4.17 Register Description – General Purpose I/O Memory
4.17.1 GPIORn – General Purpose I/O Register n
These are general purpose registers that can be used to store data, such as global variables and flags, in the bit-
accessible I/O memory space.
4.18 Register Descriptions – MCU Control
4.18.1 DEVID0 – Device ID register 0
DEVID0, DEVID1, and DEVID2 contain the three-byte identification that identifies each microcontroller device type. For
details on the actual ID, refer to the device datasheet.
 Bit 7:0 – DEVID0[7:0]: Device ID Byte 0
Byte 0 of the device ID. This byte will always be read as 0x1E. This indicates that the device is manufactured by Atmel.
4.18.2 DEVID1 – Device ID register 1
 Bit 7:0 – DEVID[7:0]: Device ID Byte 1
Byte 1 of the device ID indicates the flash size of the device.
Bit 7 6 5 4 3 2 1 0
+0x2F TEMPSENSE1[7:0]
Read/Write R R R R R R R R
Initial Value 0 0 0 0 x x x x
Bit 76543210
+n GPIORn[7:0]
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value 0 0 0 0 0 0 0 0
Bit 76543210
+0x00 DEVID0[7:0]
Read/Write R R R R R R R R
Initial Value 0 0 0 1 1 1 1 0
Bit 76543210
+0x01 DEVID1[7:0]
Read/Write R R R R R R R R
Initial Value 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0