DS24B33 Maxim, DS24B33 Datasheet - Page 11

• Manufacturer Part Number: DS24B33
• Description: The DS24B33 is a 4096-bit, 1-Wire® EEPROM organized as 16 memory pages of 256 bits each
• Manufacturer: Maxim

Figure 7b. Memory Function Flowchart (continued)
FROM FIGURE 7a
TO FIGURE 7a
TA1 (T[7:0]), TA2 (T[15:8]),
COPY SCRATCHPAD?
MASTER Tx RESET?
______________________________________________________________________________________
BUS MASTER Rx
AUTHORIZATION
CODE MATCH?
AND E/S BYTE
BUS MASTER
Rx "1"s
55h
*1-Wire IDLE HIGH FOR t
Y
N
Y
N
Y
N
PROG
Y
FOR POWER.
SCRATCHPAD DATA
MASTER Tx RESET?
MASTER Tx RESET?
DS24B33 COPIES
DS24B33 Tx "0"
DS24B33 Tx "1"
TO ADDRESS
AA = 1
N
N
Y
*
N
INCREMENTS
BUS MASTER
ADDRESS
COUNTER
DS24B33
Rx "1"s
1-Wire 4Kb EEPROM
N
Y
TA1 (T[7:0]), TA2 (T[15:8])
DS24B33 SETS MEMORY
ADDRESS = (T[15:0])
MEMORY ADDRESS
MASTER Tx RESET?
MASTER Tx RESET?
DATA BYTE FROM
ADDRESS < 1FFh?
READ MEMORY?
BUS MASTER Tx
BUS MASTER Rx
F0h
Y
N
N
Y
N
MASTER Tx RESET?
N
Y
BUS MASTER
Rx "1"s
Y
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