參數(shù)資料
型號(hào): DS1963L-F5
廠商: DALLAS SEMICONDUCTOR
元件分類(lèi): Memory IC:Other
英文描述: SPECIALTY MEMORY CIRCUIT, MEDB2
封裝: MICROCAN-2
文件頁(yè)數(shù): 4/24頁(yè)
文件大?。?/td> 482K
代理商: DS1963L-F5
DS1963L
12 of 24
MEMORY FUNCTION EXAMPLE
Example: Write 2 data bytes to memory location 0026 and 0027. Read entire memory.
MASTER MODE
DATA (LSB FIRST)
COMMENTS
TX
Reset
Reset pulse (480-960
s)
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
0Fh
Issue “write scratchpad” command
TX
26h
TA1, beginning offset=26h
TX
00h
TA2, address=0026h
TX
<2 data bytes>
Write 2 bytes of data to scratchpad
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
AAh
Issue “read scratchpad” command
RX
26h
Read TA1, beginning offset=26h
RX
00h
Read TA2, address=0026h
RX
07h
Read E/S, ending offset=7h, flags=0h
RX
<2 data bytes>
Read scratchpad data and verify
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
5Ah
Issue “copy scratchpad” command
TX
26h
TX
00h
TX
07h
TA1
TA2
AUTHORIZATION CODE
E/S
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
F0h
Issue “read memory” command
TX
00h
TA1, beginning offset=0
TX
00h
TA2, address=0000h
RX
<512 Bytes>
Read entire memory
TX
Reset
Reset pulse
RX
Presence
Presence pulse, done
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