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MCP98243 Datasheet(PDF) 29 Page - Microchip Technology

Part # MCP98243
Description  Memory Module Temperature Sensor w/ EEPROM for SPD
PDF  62 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP98243 Datasheet(HTML) 29 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22153B-page 29
MCP98243
5.1.5
MANUFACTURER ID REGISTER
This register is used to identify the manufacturer of the
device in order to perform manufacturer specific
operation. The Manufacturer ID for the MCP98243 is
0x0054 (hexadecimal).
FIGURE 5-8:
Timing Diagram for Reading the Manufacturer ID Register (See Section 4.0 “Serial
Communication”).
REGISTER 5-6:
MANUFACTURER ID REGISTER (READ-ONLY)
→ ADDRESS ‘0000 0110’b
R-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
Manufacturer ID
bit 15
bit 8
R-0
R-1
R-0
R-1
R-0
R-1
R-0
R-0
Manufacturer ID
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-0
Device Manufacturer Identification Number
.
SDA
A
C
K
00
1
1
A
Manuf. ID Pointer
00
0
0
A
C
K
S
2
A
1
A
0
12
3
4
5
6
7
8
1
2
3
4
5
678
SCL
0
Address Byte
A
C
K
00
1
1
A
MSB Data
A
C
K
N
A
K
S
P
2
A
1
A
0
12
3
4
5
6
7
8
1
2
3
4
5
678
1
2
345
6
7
8
Address Byte
LSB Data
R
MCP98243
MCP98243
MCP98243
Master
Master
W
SDA
SCL
11
0
00
0
0
0
00
0
0
1
0
1
0
10
0
Note:
It is not necessary to
select
the
register
pointer if it was set from
the previous read/write.



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