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C-9
REGISTERS
AD_TEST
AD_TEST
Address:
Reset State (MC, MD):
Reset State (MH):
1FAEH
C0H
88H
The A/D test (AD_TEST) register specifies adjustments for DC offset errors.
7 0
— — — OFF1 — OFF0 — —
Bit
Number
Bit
Mnemonic
Function
7:5 — Reserved; for compatibility with future devices, write zeros to these bits.
4 OFF1 Offset
This bit , along with OFF0 (bit 2) allows you to set the zero offset point.
OFF1 OFF0
00 no adjustment
0 1 add 2.5 mV
1 0 subtract 2.5 mV
1 1 subtract 5.0 mV
3 — Reserved; for compatibility with future devices, write zero to this bit.
2 OFF0 See bit 4 (OFF1).
1:0 — Reserved; for compatibility with future devices, write zeros to these bits.