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SE97BTP Datasheet(PDF) 23 Page - NXP Semiconductors

Part # SE97BTP
Description  DDR memory module temp sensor with integrated SPD
PDF  53 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

SE97BTP Datasheet(HTML) 23 Page - NXP Semiconductors

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SE97B_1
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 — 27 January 2010
23 of 53
NXP Semiconductors
SE97B
DDR memory module temp sensor with integrated SPD
8.2 CAP — Capability register (00h, 16-bit read-only)
Table 10.
CAP - Capability register (address 00h) bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
RFU
Default
0
000
0000
Access
RRR
RRR
RR
Bit
7
6
5
4
3
2
1
0
Symbol
EVSD
TMOUT
VHV
TRES
TRES
WRNG
HACC
BCAP
Default
111
101
11
Access
RR
RRR
RRR
Table 11.
Capability register (address 00h) bit description
Bit
Symbol
Description
15:8
RFU
Reserved for future use; must be zero.
7
EVSD
EVENT with shutdown action.
0 — The EVENT output freezes in its current state when entering
shutdown. Upon exiting shutdown, the EVENT output remains in the
previous state until the next thermal sample is taken.
1 (default) — The EVENT output is de-asserted (not driven) when
entering shutdown, and remains de-asserted upon exit from
shutdown until the next thermal sample is taken.
Remark: Bit 7 follows the state of SMBUS[4] which can change
EVENT output to freeze.
6
TMOUT
Bus time-out period for thermal sensor access during normal
operation. Note that bus time-out support is operational in shutdown
mode, or for access to the EEPROM portion of the device.
1 — Parameter tto(SMBus) is supported within the range of 25 ms to
35 ms (SMBus compatible).
5
VHV
High voltage standoff for pin A0.
1 — Supports a voltage up to 10 V on the A0 pin.
4:3
TRES
Temperature resolution.
10 — 0.125
°C LSB (11-bit)
2
WRNG
Wider range.
1 — can read temperatures below 0
°C and set sign bit accordingly
1
HACC
Higher accuracy (set during manufacture).
1 — B grade accuracy
0
BCAP
Basic capability.
1 — has Alarm and Critical Trips interrupt capability



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