Rainbow Electronics DS25LV02 - Manual (Page 15)

DS25LV02: Low-Voltage 1024-Bit EPROM
15 of 17
Figure 8. Operational Flow Chart (Continued)
NO
YES
YES
YES
MASTER Tx MEMORY
FUNCTION COMMAND
F0h
READ
MEMORY
?
AAh
READ
STATUS
?
NO
CRC
CORRECT
?
NO
NO
MEMORY
COMMANDS 1
GO TO START
BUS MASTER Tx
TA1 (T7:T0)
BUS MASTER Tx
TA2 (T15:T8)
BUS MASTER Rx 8-BIT CRC OF
COMMAND AND ADDRESS
BUS MASTER Rx DATA
FROM DATA MEMORY
BUS MASTER
Tx RESET
?
END
OF DATA
MEMORY
?
BUS MASTER
Tx RESET
?
BUS MASTER
Tx RESET
?
BUS MASTER Rx 8-BIT
CRC OF DATA
BUS MASTER Rx
ALL 1's
YES
NO
YES
NO
DS25LV02 INCREMENTS
ADDRESS COUNTER
YES
NO
BUS MASTER Tx
RESET
DS25LV02 Tx
PRESENCE PULSE
YES
YES
YES
CRC
CORRECT
?
NO
NO
BUS MASTER Tx
TA1 (T7:T0)
BUS MASTER Tx
TA2 (T15:T8)
BUS MASTER Rx 8-BIT CRC OF
COMMAND AND ADDRESS
BUS MASTER Rx DATA
FROM STATUS MEMORY
BUS MASTER
Tx RESET
?
END OF
PAGE
?
BUS MASTER
Tx RESET
?
BUS MASTER
Tx RESET
?
BUS MASTER Rx 8-BIT
CRC OF STATUS DATA
BUS MASTER Rx
ALL 1's
YES
NO
YES
NO
DS25LV02 INCREMENTS
ADDRESS COUNTER
YES
NO
GO TO MEMORY
COMMANDS 2