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MCP9804-E/MS Datasheet(PDF) 27 Page - Microchip Technology

No. de pieza MCP9804-E/MS
Descripción Electrónicos  짹0.25째C Typ. Accuracy Digital Temperature Sensor
PDF  54 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP9804-E/MS Datasheet(HTML) 27 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22203A-page 27
MCP9804
5.1.4
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 MCP9804 is
0x0054 (hexadecimal).
FIGURE 5-7:
Timing Diagram for Reading the Manufacturer ID Register (See Section 4.0).
REGISTER 5-5:
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 Bits
.
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
345
6
7
8
1
2
3
4
567
8
Address Byte
LSB Data
R
MCP9804
MCP9804
MCP9804
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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