MCP98243-BE/MNY MICROCHIP [Microchip Technology], MCP98243-BE/MNY Datasheet - Page 30
![no-image](/images/no-image-200.jpg)
MCP98243-BE/MNY
Manufacturer Part Number
MCP98243-BE/MNY
Description
Memory Module Temperature Sensor w/ EEPROM for SPD
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP98243-BEMNY.pdf
(62 pages)
- Current page: 30 of 62
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MCP98243
5.1.6
The upper byte of this register is used to specify the
device identification and the lower byte is used to
specify device revision. The device ID for the
MCP98243 is 0x21 (hex).
The revision begins with 0x01 (hex) for the first release,
with the number being incremented as revised versions
are released.
REGISTER 5-7:
FIGURE 5-9:
“Serial Communication”).
DS22153B-page 30
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15-8
bit 7-0
SDA
SCL
R-0
R-0
SDA
SCL
DEVICE ID AND REVISION
REGISTER
S
Device ID: Bit 15 to bit 8 are used for device ID
Device Revision: Bit 7 to bit 0 are used for device revision
1
0
S
2
0
1
0
R-0
R-0
DEVICE ID AND DEVICE REVISION (READ-ONLY) → ADDRESS
Address Byte
Timing Diagram for
3
1
2
0
Address Byte
4
1
3
1
A
5
2
4
1
W = Writable bit
‘1’ = Bit is set
6
A
1
A
5
2
R-1
R-0
A
7
0
6
A
1
MCP98243
W
8
A
7
0
MCP98243
A
C
K
8
R
Reading Device ID and Device Revision Register
1
0
A
C
K
2
Device ID Pointer
R-0
R-0
0
1
0
Device Revision
3
0
2
0
Device ID
4
0
3
1
MSB Data
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
5
0
4
0
6
1
0
5
R-0
R-0
7
1
6
0
MCP98243
8
1
7
0
A
C
K
8
1
Master
A
C
K
R-0
R-0
1
0
Note:
2
0
3
0
LSB Data
© 2009 Microchip Technology Inc.
x = Bit is unknown
4
0
It is not necessary to
select
pointer if it was set from
the previous read/write.
5
0
R-0
R-0
(See Section 4.0
6
0
‘0000 0111’b
7
0
the
8
1
Master
N
A
K
register
R-1
R-1
P
bit 8
bit 0
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