40
8331B–AVR–03/12
Atmel AVR XMEGA AU
4.17.10 LOTNUM4 – Lot Number register 4
• Bit 7:0 – LOTNUM4[7:0]: Lot Number Byte 4
This byte contains byte 4 of the lot number for the device.
4.17.11 LOTNUM5 – Lot Number register 5
• Bit 7:0 – LOTNUM5[7:0]: Lot Number Byte 5
This byte contains byte 5 of the lot number for the device.
4.17.12 WAFNUM – Wafer Number register
• Bit 7:0 – WAFNUM[7:0]: Wafer Number
This byte contains the wafer number for each device. Together with the lot number and wafer
coordinates this gives a serial number for the device.
4.17.13 COORDX0 – Wafer Coordinate X register 0
COORDX0, COORDX1, COORDY0 and COORDY1 contain the wafer X and Y coordinates for
each device. Together with the lot number and wafer number this gives a serial number for each
device.
• Bit 7:0 – COORDX0[7:0]: Wafer Coordinate X Byte 0
This byte contains byte 0 of wafer coordinate X for the device.
Bit 7654 3 2 1 0
+0x0C LOTNUM4[7:0] LOTNUM4
Read/Write R R R R R R R R
Initial Value x x x x x x x x
Bit 7654 3 2 1 0
+0x0D LOTNUM5[7:0] LOTNUM5
Read/Write R R R R R R R R
Initial Value x x x x x x x x
Bit 7654 3 2 1 0
+0x10 WAFNUM[7:0] WAFNUM
Read/Write R R R R R R R R
Initial Value 0 0 0 x x x x x
Bit 7654 3 2 1 0
+0x12 COORDX0[7:0] COORDX0
Read/Write R R R R R R R R
Initial Value x x x x x x x x