MCP9808 MICROCHIP [Microchip Technology], MCP9808 Datasheet - Page 27

• Manufacturer Part Number: MCP9808
• Manufacturer: MICROCHIP [Microchip Technology]

5.1.4
This register is used to identify the manufacturer of the
device in order to perform manufacturer-specific
operation. The Manufacturer ID for the MCP9808 is
0x0054 (hexadecimal).
REGISTER 5-5:
FIGURE 5-6:
Communication”).
© 2011 Microchip Technology Inc.
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15-0
SCL
SDA
SCL
SDA
R-0
R-0
MANUFACTURER ID REGISTER
S
S
Device Manufacturer Identification bits
1
0
1
0
R-0
R-1
2
0
2
0
MANUFACTURER ID REGISTER – READ-ONLY (→ ADDRESS ‘0000 0110’b)
Timing Diagram for Reading the Manufacturer ID Register (see
Address Byte
Address Byte
3
1
1
3
4
4
1
1
W = Writable bit
‘1’ = Bit is set
A
5
2
5
A
2
6
A
1
A
6
1
R-0
R-0
A
7
0
7
A
0
MCP9808
MCP9808
W
8
R
8
A
C
K
A
C
K
1
0
1
0
Manufacturer ID Pointer
R-0
R-1
Manufacturer ID
Manufacturer ID
2
0
2
0
3
3
0
0
MSB Data
4
0
4
0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
5
0
5
0
R-0
R-0
6
0
1
6
7
7
1
0
MCP9808
8
0
8
0
Master
A
C
K
A
C
K
1
0
R-0
R-1
2
1
Note:
3
LSB Data
0
4
1
x = Bit is unknown
5
0
It is not necessary to
select the Register
Pointer if it was set
from the previous
read/write.
MCP9808
Section 4.0 “Serial
6
1
R-0
R-0
7
0
DS25095A-page 27
8
0
Master
N
A
K
P
R-0
R-0
bit 8
bit 0