DS2422 データシートの表示（PDF） - Maxim Integrated
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DS2422 Datasheet PDF : 49 Pages
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Figure 5. 64-Bit Lasered ROM
MSB
8-Bit
CRC Code
48-Bit Serial Number
MSB
LSB MSB
LSB
8-Bit Family
Code (41h)
LSB MSB
LSB
Figure 6. 1-Wire CRC Generator
Polynomial = X8 + X5 + X4 + 1
DS2422
1st
2nd
3rd
4th
STAGE STAGE STAGE STAGE
X0
X1
X2
X3
5th
STAGE
X4
Figure 7. DS2422 Memory Map
32-Byte Intermediate Storage Scratchpad
ADDRESS
0000H to
001FH
0020H to
01FFH
0200H to
021FH
0220H to
023FH
0240H to
025FH
0260H to
027FH
0280H to
03FFH
0400H to
041FH
0420H to
0FFFH
1000H to
2FFFH
32-Byte General-Purpose SRAM (R/W)
General-Purpose SRAM (R/W)
32-Byte Register Page 1
32-Byte Register Page 2
Calibration Memory Page 1 (R/W)
Calibration Memory Page 2 (R/W)
(Reserved For Future Extensions)
Trim Register Page (R/W)
(Reserved For Future Extensions)
Datalog Memory (Read-Only)
6th
7th
8th
STAGE STAGE STAGE
X5
X6
X7
X8
INPUT DATA
Page 0
Pages 1
to 15
Page 16
Page 17
Page 18
Page 19
Pages 20 to 31
Page 32
Pages 33 to 127
Pages 128
to 383
10 of 49
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