Microchip Technology megaAVR 0 Series Manual page 49

6.3.2.1 Device Revision ID Register
Name: REVID
Offset: 0x01
Reset: [revision ID]
Property: -
This register is read-only and displays the device revision ID.
Bit 7
Access R
Reset
Bits 7:0 – REVID[7:0] Revision ID
These bits contain the device revision. 0x00 = A, 0x01 = B, and so on.
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2018 Microchip Technology Inc.
6 5
R R
4 3
REVID[7:0]
R R
Datasheet Preliminary
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megaAVR 0-Series
Peripherals and Architecture
2 1
R R
DS40002015A-page 49
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R