www.ams.com/AS8525

Revision 2.3

21 - 37

AS8525

Datasheet - Application In form atio n

8.2 State Transition Diagram

The complete functional state machine of AS8525 is shown in this section. Soft states like “TXWD Wait” and “Standby Wait”, and other wait

states have also been included here for completeness.

Figure 8. Finite State Machine Model of AS8525

RESET

TIMEOUT

OTP LOAD

INIT0

NORMAL

OVTEMP

Temp Shut

SLEEP

STANDBY

por_vsup

otp_load

temp160

temp160

temp160

! temp160

stan

dby

Standby &

sleep

128msec

rwake

! por_vcc

reset

timeout

Tem

p

shutd

own

! por_vcc ||

wwdtimeout

STANDBY

WAIT

temp160

! sta

ndb

y

TXWD WAIT

temp160

temp160

! por_vcc

temp160

! por_vcc ||

wwdtimeout