____________________________________________________________________________________________ DS3205

Rev: 111607

8 of 20

Figure 2-3. DS3205 State Diagram

INITIAL

BUS WAIT

ACTIVE

STUCK BUS

CLOCKING

STUCK BUS

DISCONNECT

130µs

COMPLETED

16 FORCED

CLOCKS

precharge

on

Hi Z off

READY = 1

stuck bus = 1 & SBCLK = 1

& SBDIS = 0

stuck bus = 0 +

SBCLK = 0

stuck bus = 0 +

(SBCLK = 0 &

SBDIS = 0)

stuck bus = 1 &

SBCLK = 0 &

SBDIS = 1

(input stop +

input idle) &

output high

FORCE 16

CLOCKS AT

SCLOUT PIN

input stop = rising edge on SDAIN while SCLIN high

input idle = SDAIN and SCLIN high for 140µs

stuck bus = SDAOUT or SCLOUT low for 30ms