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MODE REGISTER
reset.
.
22,23
Set Timing Margin accordingly:
22
23
sLow " ' 0
'1
FAST
l
1
NORMAL
X
0
24,25 J
Set Voltage (+5) Margins accordingly:
24
25
LOW I
'0
1
HIGH
1
O
NORMAL
OTHERWISE
26,27
UNUSED
28
Stop HR Strobe on HR Counter Overflow.
(Setting Bit 28 shall
cause the HR counter to be reset to zero.)
29
Strobe the HR on Transfer Mode.
If Bits 29, 30, and 35 are
— Lock Up
- Parity
— Command
—.Store
— Illegal Procedure
— Shutdown
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