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

部件名 MCP9804-E/MS
功能描述  짹0.25째C Typical Accuracy Digital Temperature Sensor
PDF  52 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

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

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© 2009-2012 Microchip Technology Inc.
DS22203C-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 5-6:
Timing Diagram for Reading the Manufacturer ID Register (see Section 4.0 “Serial
Communication”).
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
Manufacturer ID Pointer
00
0
0
A
C
K
S
2
A
1
A
0
1
2
3
4
567
8
1
2
345
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
1
2
3
4
567
8
1
2
345
6
7
8
12
3
4
567
8
Address Byte
LSB Data
R
MCP9804
MCP9804
MCP9804
Master
Master
W
SDA
SCL
11
0
00
00
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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