Figure 121. entering/leaving once mode – Intel 80C188XL User Manual

Page 305

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ONCE MODE

12-2

Figure 12-1. Entering/Leaving ONCE Mode

RES

UCS

LCS

All output,

bidirectional,

weakly held

pins except

OSCOUT

NOTES: 1. Entering ONCE Mode.

2. Latching ONCE Mode.
3. Leaving ONCE Mode (assuming 2 occurred).

1

2

3

A1532-0A

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