SMM150 Datasheet, PDF (9/22 Pages) Summit Microelectronics, Inc. – Single-Channel Supply Voltage Marginer/Monitor

APPLICATIONS INFORMATION (CONTINUED)
MARGINING OPERATION
NO
POWER OK?
YES
INPUT VTRIM TO ADC
DUMP ADC INTO DAC
DAC DRIVES BRICK
(TRIM OUTPUT LO-Z)
INPUT VOUT TO ADC
SMM150
Preliminary Information
ADC EQUAL TARGET?
NO
YES
1. HOLD DAC
2. CLEAR STATUS REGISTER
3. WAIT FOR NEXT COMMAND
INCREMENT/
DECREMENT
DAC
Figure 5 - SMM150 Margin Flow Chart
Summit Microelectronics, Inc
2075 2.6 05/13/05
9