38
8331B–AVR–03/12
Atmel AVR XMEGA AU
4.17.3
RCOSC32K – Internal 32.768kHz Oscillator Calibration register
• Bit 7:0 – RCOSC32K[7:0]: Internal 32.768kHz Oscillator Calibration Value
This byte contains the oscillator calibration value for the internal 32.768kHz oscillator. Calibra-
tion of the oscillator is performed during production test of the device. During reset this value is
automatically loaded into the calibration register for the 32.768kHz oscillator. Refer to
”RC32KCAL – 32kHz Oscillator Calibration register” on page 99
for more details.
4.17.4
RCOSC32M – Internal 32MHz Oscillator Calibration register
• Bit 7:0 – RCOSC32M[7:0]: Internal 32MHz Oscillator Calibration Value
This byte contains the oscillator calibration value for the internal 32MHz oscillator. Calibration of
the oscillator is performed during production test of the device. During reset this value is auto-
matically loaded into calibration register B for the 32MHz DFLL. Refer to
Calibration register B” on page 102
for more details.
4.17.5
RCOSC32MA – Internal 32MHz RC Oscillator Calibration register
• Bit 7:0 – RCOSC32MA[7:0]: Internal 32MHz Oscillator Calibration Value
This byte contains the oscillator calibration value for the internal 32MHz oscillator. Calibration of
the oscillator is performed during production test of the device. During reset this value is auto-
matically loaded into calibration register A for the 32MHz DFLL. Refer to
Calibration Register A” on page 101
for more details.
4.17.6
LOTNUM0 – Lot Number register 0
LOTNUM0, LOTNUM1, LOTNUM2, LOTNUM3, LOTNUM4 and LOTNUM5 contain the lot num-
ber for each device. Together with the wafer number and wafer coordinates this gives a serial
number for the device.
Bit
7
6
5
4
3
2
1
0
+0x02
RCOSC32K[7:0]
RCOSC32K
Read/Write
R
R
R
R
R
R
R
R
Initial Value
x
x
x
x
x
x
x
x
Bit
7
6
5
4
3
2
1
0
+0x03
RCOSC32M[7:0]
RCOSC32M
Read/Write
R
R
R
R
R
R
R
R
Initial Value
x
x
x
x
x
x
x
x
Bit
7
6
5
4
3
2
1
0
+0x04
RCOSC32MA[7:0]
RCOSC32MA
Read/Write
R
R
R
R
R
R
R
R
Initial Value
x
x
x
x
x
x
x
x
