EM4205-EM4305
EM4205 – EM4305 state transition diagram
PowerOff
DISABLED
Out
To
of
PREAMBLE=OK
(“login flag”=1)
Field
Field
yes
password=OK
no
PREAMBLE=ERR
(“login flag”=0)
DEFAULT READ
PREAMBLE=OK
+
DATA WORD
if RTF='0'
/
yes
WAIT for COMMAND
if RTF='1'
“read login”=0
OR
“login flag”=1
no
PREAMBLE=ERR
PREAMBLE=OK
To WAIT for
COMMAND
(RTF) MODE
yes
To DEFAULT
READ MODE
NOT LOCKED
AND
(“write login”=0 OR
“login flag”=1)
no
no
PREAMBLE=ERR
yes
RTF = '1'
Figure 13
12
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4205-4305-DS-01.doc, Version 4.0, 22-Oct-13