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SE98A Datasheet(PDF) 7 Page - NXP Semiconductors |
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SE98A Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 43 page SE98A_4 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 04 — 25 November 2009 7 of 43 NXP Semiconductors SE98A DDR memory module temp sensor, 1.7 V to 3.6 V When Tamb ≥ Tth(crit) and Tamb < Tth(crit) − Thys the EVENT output is in Comparator mode and bit 0 of CONFIG (EVENT output mode) is ignored. Refer to Table 3 for figure note information. Fig 6. EVENT output condition 002aae324 time temperature ( °C) critical EVENT in Interrupt mode EVENT in Comparator mode software interrupt clear Lower Boundary Alarm Upper Boundary Alarm EVENT in ‘Critical Temp only’ mode (1) (2) (1) (3) (4) (3)(5) * (6) (4) (2) Tamb Ttrip(l) − Thys Ttrip(u) − Thys Tth(crit) − Thys Ttrip(u) − Thys Ttrip(l) − Thys Table 3. EVENT output condition Figure note EVENT output boundary conditions EVENT output Temperature Register Status bits Comparator mode Interrupt mode Critical Temp only mode Bit 15 Above Critical Trip Bit 14 Above Alarm Window Bit 13 Below Alarm Window (1) Tamb ≥ Ttrip(l) HLH 0 0 0 (2) Tamb < Ttrip(l) − Thys LL H 0 0 1 (3) Tamb > Ttrip(u) LL H 0 1 0 (4) Tamb ≤ Ttrip(u) − Thys HLH 0 0 0 (5) Tamb ≥ Tth(crit) LL L 1 1 0 (6) Tamb < Tth(crit) − Thys LH H 0 1 0 |
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