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MCP98243 数据表(PDF) 19 Page - Microchip Technology

部件名 MCP98243
功能描述  Memory Module Temperature Sensor w/ EEPROM for SPD
PDF  62 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP98243 数据表(HTML) 19 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22153C-page 19
MCP9843/98243
FIGURE 5-2:
Timing Diagram for Reading the Capability Register (See Section 4.0 “Serial
Communication”).
bit 1
Accuracy:
0
=
Accuracy
→ ±2°C from +75°C to +95°C (Active Range) and ±3°C from +40°C to +125°C
(Monitor Range)
1
=
Accuracy
→ ±1°C from +75°C to +95°C (Active Range) and ±2°C from +40°C to +125°C
(Monitor Range)
bit 0
Temperature Alarm:
0
=
No defined function (This bit will never be cleared or set to ‘0’)
1
=
The part has temperature boundary trip limits (TUPPER/TLOWER/TCRIT registers) and a
temperautre event output (JC 42.4 required feature)
REGISTER 5-2:
CAPABILITY REGISTER (READ-ONLY)
→ ADDRESS ‘0000 0000’b (CONTINUED)
SDA
A
C
K
00
1
1
A
Capability Pointer
00
0
0
A
C
K
S
2
A
1
A
0
12
3
4
5
6
7
8
1
2
34
5
6
78
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
MCP9843/98243
MCP9843/98243
MCP9843/98243
Master
Master
W
SDA
SCL
00
0
00
0
0
0
00
0
0
0
0
0
1
11
1



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