W83L771ASG Datasheet, PDF (2/28 Pages) Nuvotem Talema – W83L771AWG W83L771ASG Nuvoton H/W Monitoring IC

TABLE OF CONTENTS-
1. GENERAL DESCRIPTION ......................................................................................................... 1
1.1 Product Selection Guide ................................................................................................. 1
2. FEATURES ................................................................................................................................. 2
2.1 Monitoring Items - Temperature ..................................................................................... 2
2.2 General Features ............................................................................................................ 2
2.3 Package Type ................................................................................................................. 2
2.4 Applications..................................................................................................................... 2
3. KEY SPECIFICATIONS .............................................................................................................. 3
4. BLOCK DIAGRAM ...................................................................................................................... 3
5. PIN CONFIGURATION ............................................................................................................... 4
6. PIN DESCRIPTION..................................................................................................................... 4
7. FUNCTIONAL DESCRIPTION.................................................................................................... 5
7.1 General Description ........................................................................................................ 5
7.2 Access Interface ............................................................................................................. 6
7.2.1 Serial bus write to internal address register followed by the data byte .............................6
7.2.2 Serial bus read form internal address register followed by the data byte .........................6
7.3 ALERT Output Mode ...................................................................................................... 7
7.3.1 ALERT Output Comparator Mode...................................................................................7
7.3.2 ALERT Output Interrupt Mode ........................................................................................8
7.3.3 ALERT Output SMBusTM ALERT Mode ........................................................................9
7.4 T _ CRIT _ A Output and T_CRIT flags .......................................................................... 10
7.5 Measured Temperature Data Format ........................................................................... 11
7.5.1 Measure Remote Temperature Data Format..................................................................11
7.5.2 Measure Local Temperature Data Format......................................................................11
7.6 Digital Filter ................................................................................................................... 12
7.7 Fault Detect................................................................................................................... 13
7.8 Conversion Rate and Moving Average ......................................................................... 13
8. CONTROL AND STATUS REGISTER ..................................................................................... 14
8.1 W83L771AWG/ASG Registers ..................................................................................... 14
8.2 Data Format of Temperature Registers (LT, RTHB, RTLB, LHS, RHSHB, RHSLB, LLS,
RLSHB, RLSLB, RTOHB, RTOLB, RCS, LCS) ........................................................................ 15
8.3 Status Register (SR) ..................................................................................................... 16
8.4 Configuration Register (C) ............................................................................................ 16
8.5 T_CRIT Hysteresis Register (TH)................................................................................. 17
8.6 Conversion Rate Register (CR) .................................................................................... 17
8.7 Filter and Alert Configure Register (RDTF) .................................................................. 18
8.8 Ideality (IDEA)............................................................................................................... 18
9. ELECTRICAL CHARACTERISTIC ........................................................................................... 19
9.1 Absolute Maximum Ratings .......................................................................................... 19
9.2 DC Characteristics ........................................................................................................ 19
9.3 AC Characteristics ........................................................................................................ 20
10. TOP MARKING SPECIFICATIONS .......................................................................................... 21
10.1 W83L771AWG , W83L771AWG-2 and W83L771ASG-2 TOP MARKING................... 21
10.2 W83L771ASG TOP MARKING..................................................................................... 21
Publication Release Date: 2009/10/21
Version: 1.9
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