参数资料
型号: DS2423P/T&R
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Memory IC:Other
英文描述: SPECIALTY MEMORY CIRCUIT, PDSO6
封装: 3.70 X 4 MM, 1.50 MM HEIGHT, TSOC-6
文件页数: 5/25页
文件大小: 581K
代理商: DS2423P/T&R
DS2423
13 of 25
MEMORY FUNCTION EXAMPLE
Read page 14 and counts of Input A. Rewrite page 14 with 32 bytes. Read Memory + Counter, Write
Scratchpad, Copy Scratchpad.
MASTER MODE
DATA (LSB FIRST)
COMMENTS
TX
Reset
Reset pulse (480-960 s)
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
A5h
Issue “read memory + counter” command
TX
C0h
TA1, beginning offset=C0h
TX
01h
TA2, address=01C0h
RX
<32 data bytes>
Read 32 bytes of data
RX
<4 data bytes>
Read Counts of Input A
RX
<4 data bytes>
Read 32 Zero Bits
RX
<2 data bytes>
Read (inverted) CRC16
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
0Fh
Issue “write scratchpad” command
TX
C0h
TA1, beginning offset=C0h
TX
01h
TA2, address=01C0h
TX
<32 data bytes>
Read 32 bytes of data to scratchpad
RX
<2 data bytes>
Read (inverted) CRC16
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
5Ah
Issue “copy scratchpad” command
TX
C0h
TX
01h
TX
1Fh
TA1
TA2
AUTHORIZATION CODE
E/S
RX
<1 data byte>
Read Copy Scratchpad response
TX
Reset
Reset pulse
RX
Presence
Presence pulse, done
Not
Recommended
for
New
Design
相关PDF资料
PDF描述
DS2423P SPECIALTY MEMORY CIRCUIT, PDSO6
DS2423X SPECIALTY MEMORY CIRCUIT, UUC
DS2423 4K X 1 STANDARD SRAM, PDSO6
DS2422 1K X 1 STANDARD SRAM, PDSO6
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