SMM766B

Summit Microelectronics, Inc

2122 3.0 5/5/2008

21

APPLICATIONS INFORMATION (CONTINUED)

AUTO-MONITOR FUNCTION

The auto-monitor function is used for monitoring all

supplies throughout the power-on and power-off

sequencing, force shutdown operation, and monitor

mode. The auto-monitor function is paused during an

I

methods as described in the diagrams below.

SDA

SCL

AUTO-MONITOR

SA3

SA2

SA1

SA0

BA2

BA1

BA0

R/W

ACK

Start

Figure 9A: Auto-monitor is paused on the falling edge of SCL during the R/W bit following a valid slave address.

SDA

SCL

AUTO-MONITOR

internal system clock after the Stop.

SYSTEM CLOCK

Stop

NACK

RD0

RD1

RD2

RD3

from Host

(T=5us)