W83783S Information Storage Devices, Inc, W83783S Datasheet
W83783S
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W83783S Summary of contents
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... W83783S Winbond H/W Monitoring IC ...
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... W83783S Data Sheet Revision History Pages Dates Version 1 n.a. 2 n.a. 98/7 3 P.36 99/4 4 P.38 99 Please note that all data and specifications are subject to change without notice. All the trade marks of products and companies mentioned in this data sheet belong to their respective owners. LIFE SUPPORT APPLICATIONS ...
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... Fan speed count .............................................................................................................................14 6.4.2 Fan speed control...........................................................................................................................15 6.5 Temperature Measurement Machine ....................................................................................................16 6.5.1 The W83783S temperature sensor 2 SMI# interrupt has two modes: ...............................................17 6.5.2 The W83783S temperature sensor 1 SMI# interrupt has three modes..............................................18 6.5.3 The W83783S temperature sensor 1 Over-Temperature (OVT#) has three modes............................19 6.6 Voltage and Fan SMI# mode :..............................................................................................................20 6 ...
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... Temperature Sensor 1 Temperature (Low Byte) Register - Index 00h .................................................39 7.30 Temperature Sensor 1 Configuration Register - Index 01h .................................................................40 7.31 Temperature Sensor 1 Hysteresis (High Byte) Register - Index 02h ....................................................41 Index 40h....................................................................................................22 Index 41h ...............................................................................................23 Index 42h ..............................................................................................23 Index 43h ....................................................................................................24 Index 44h ....................................................................................................25 Index 47h ...............................................................................................26 Index 48h............................................................................................ W83783S Preliminary Publication Release Date: April 1999 Version 0.55 ...
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... Real Time Hardware Status Register II -- Index 5Ah (Bank 4) ...........................................................44 8. SPECIFICATIONS ...................................................................................................................................46 8.1 Absolute Maximum Ratings.................................................................................................................46 8.2 DC Characteristics...............................................................................................................................46 8.3 AC Characteristics...............................................................................................................................48 8.3.1 Serial Bus Timing Diagram ...........................................................................................................48 9. HOW TO READ THE TOP MARKING .................................................................................................49 10. PACKAGE DIMENTIONS.....................................................................................................................50 11. APPLICATION CIRCUIT OF WINBOND W83783S...........................................................................52 Publication Release Date: April 1999 - III - W83783S Preliminary Version 0.55 ...
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... GENERAL DESCRIPTION W83783S is an evolving version of monitoring IC. The W83783S can be used to monitor several critical hardware parameters of the system, including power supply voltages, fan speeds, and temperatures, which are very important for a high-end computer system to work stable and properly. interface. An 8-bit analog-to-digital converter (ADC) was built inside W83783S. The W83783S can monitor 6 analog voltage inputs, 3 fan tachometer inputs, and 3 remote temperature ...
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... Acer ADM (DMI driver 2.0) support Winbond hardware monitoring application software (Hardware Doctor Windows 95/98 and Windows NT 4.0/5.0 Input clock rate optional for 24, 48, 14.318 Mhz 5V Vcc operation 2.4 Package 24-pin SOP TM II support, for both Publication Release Date: April 1999 - 2 - W83783S Preliminary TM II Revision 0.55 ...
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... Bits 24 VID4 FANIN1 3 22 FANIN2 OVT VID3 CLKIN GNDD 10 15 SCL 11 14 SDA W83783S Preliminary 5V VCC VT1/PII1 VREF VCORE +3.3VIN +12VIN -12VIN -5VIN/VT2/PII2 GNDA VID0 VID1 VID2 Publication Release Date: April 1999 Revision 0.55 ...
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... Fan speed control (PWM) output. OUT 12t This multi-functional pin is programmable. Internally connected to all digital circuitry. IN Serial Bus Clock Serial Bus bi-directional Data Voltage Supply readouts from Pentium W83783S Preliminary Description Publication Release Date: April 1999 Revision 0.55 ...
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... AIN 0V to 4.096V FSR Analog Inputs. AOUT Reference Voltage. AIN Thermistor 1 terminal input Pentium II thermal diode 1 input. +5V V power. Bypass with the parallel CC combination (electrolytic or tantalum) and 0.1 F (ceramic) bypass capacitors W83783S Preliminary Description Publication Release Date: April 1999 Revision 0.55 ...
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... FUNCTIONAL DESCRIPTION 6.1 General Description The W83783S provides at most 6 analog positive inputs, 3 fan speed monitors, 2 sets for fan PWM (Pulse Width Modulation) control, 2 thermal inputs from remote thermistors or 2N3904 transistors or TM Pentium II (Deschutes) thermal diode outputs and beep function output when the monitor value exceed the set limit value including voltage, temperature, or fan counter ...
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... R Ack by 781D Internal Index Register Byte ... ... Ack by Frame 2 782D MSB Data Byte - 7 - W83783S Preliminary Ack Stop by by Master Frame 2 781D Ack Stop by by Frame 2 Master Master ...
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... Ack Frame 4 by 782D MSB Data Byte R Ack Frame 2 by 782D Data Byte - 8 - W83783S Preliminary , T OS HYST Ack Frame 2 by 782D ... ... Ack No Ack by Frame 5 by ...
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... MSB Data Byte R Ack by 782D 0 SCL (Cont...) SDA (Cont...) Frame 3 Configuration Data Byte Figure 8. Configuration Register Write - 9 - W83783S Preliminary Ack Frame 2 by 782D Pointer Byte Ack Stop by ...
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... As Figure 11 shows. write HYST R/W 0 Ack by 782D Ack by 781D - 10 - W83783S Preliminary Ack Frame 2 by 782D Pointer Byte Ack by Frame 4 782D Master LSB Data Byte Publication Release Date: April 1999 Revision 0 ...
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... ADC. The Pin 24 is connected to the power supply VCC with +5V. There are two functions in this pin with 5V. The first function is to supply internal analog power in the W83783S and the second function is that this voltage with 5V is connected to internal serial resistors to monitor the +5V voltage ...
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... If the monitored ADC value in the N5VIN channel is 0.8635, VREF=3.6V and the parameter 5V. 232 K ( VREF 232 K 56 where VREF is equal 3.6V VIN VREF VIN 5 VREF 0.6818 then the negative voltage of V6 can be evalated W83783S Preliminary ) Publication Release Date: April 1999 Revision 0.55 ...
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... The W83783S can alternate the thermistor to Pentium II transistor 2N3904 and the circuit connection is shown as Figure 12. The pin of Pentium II connected to power supply ground (GND) and the pin D+ is connected to pin PIIx in the W83783S. The resistor R=30K ohms should be connected to VREF to supply the diode bias current and the bypass capacitor C=3300pF should be added to filter the high frequency noise ...
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... Time per Counts Revolution 6.82 ms 153 13.64 ms 153 27.27 ms 153 54.54 ms 153 109.08 ms 153 218.16 ms 153 436.32 ms 153 872.64 ms 153 Table W83783S Preliminary 70% RPM Time for 70% 6160 9.74 ms 3080 19.48 ms 1540 38.96 ms 770 77.92 ms 385 155.84 ms 192 311. 623. 1246.72 ms Publication Release Date: April 1999 Revision 0.55 ...
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... Zener Clamp 6.4.2 Fan speed control The W83783S provides four sets for fan PWM speed control. The duty cycle of PWM can be programmed by a 8-bit registers which are defined in the Bank0 CR5A and CR5B. The default duty cycle is set to 100%, that is, the default 8-bit registers is set to FFh. The expression of duty can be represented as follows ...
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... FFh 1110,0111 E7h 1100,1001 C9h Table W83783S Preliminary PNP Transistor C FAN 9-Bit Digital Output 9-Bit Binary 9-Bit Hex 0,1111,1010 0FAh 0,0011,0010 032h 0,0000,0010 002h 0,0000,0001 001h 0,0000,0000 000h 1,1111,1111 1FFh 1,1111,1110 ...
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... The W83783S temperature sensor 2 SMI# interrupt has two modes: (1) Comparator Interrupt Mode Setting the T (Temperature Hysteresis) limit to 127øC will set temperature sensor 1 SMI# to HYST the Comparator Interrupt Mode. Temperature exceeds T interrupt and this interrupt will be reset by reading all the Interrupt Status Register. Once an ...
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... The W83783S temperature sensor 1 SMI# interrupt has three modes (1) Comparator Interrupt Mode Temperature exceeding T Interrupt Status Register. Once an interrupt event has occurred by exceeding T the temperature remains above the T has completed interrupt event has occurred by exceeding T will not occur again. The interrupts will continue to occur in this manner until the temperature goes below T ...
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... The W83783S temperature sensor 1 Over-Temperature (OVT#) has three modes (1) Comparator Mode : Setting Bank1 CR[52h] bit will set OVT# signal to comparator mode. Temperature exceeding T causes the OVT# output activated until the temperature is less than T O Figure 17) (2) Interrupt Mode: Setting Bank1 CR[52h] bit will set OVT# signal to interrupt mode. Setting Temperature ...
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... Status Register. (Figure 18 HYST * *Interrupt Reset when Temperature 2/3 is read Figure 17. Over-Temperature Response Diagram - 20 - W83783S Preliminary * * * Publication Release Date: April 1999 Revision 0.55 ...
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... High limit Low limit SMI Figure 18-1. Voltage SMI# Mode Fan Count limit SMI *Interrupt Reset when Interrupt Status Registers are read Publication Release Date: April 1999 - 21 - W83783S Preliminary * * Figure 18-2. Fan SMI# Mode Revision 0.55 ...
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... Note: The outputs of Interrupt pins will not be cleared if the user writes a zero to this location after an interrupt has occurred unlike "INT_Clear'' bit. Index 40h 40h 00000001 binary Read/write 8 bits START SMI#Enable RESERVED INT_Clear RESERVED RESERVED BEEP/GPO# INITIALIZATION - 22 - W83783S Preliminary Registers. Publication Release Date: April 1999 Revision 0.55 ...
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... Interrupt Status Register 2 Register Location: Power on Default Value Attribute: Size: Index 41h 41h 00h Read Only 8 bits Index 42h 42h 00h Read Only 8 bits - 23 - W83783S Preliminary VCORE Reserved +3.3VIN +5VIN TEMP2 TEMP1 FAN1 FAN2 Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 7-0: A one disables the corresponding interrupt status bit for SMI interrupt +12VIN -12VIN -5VIN FAN3 Reserved Reserved Reserved Reserved Index 43h 43h 00h Read/Write 8 bits W83783S Preliminary VCORE Reserved +3.3VIN +5VIN TEMP2 TEMP1 FAN1 FAN2 Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 3-0: A one disables the corresponding interrupt status bit for SMI interrupt. 7.6 Reserved Register Index 44h 44h 00h Read/Write 8 bits +12VIN -12VIN -5VIN FAN3 Reserved Reserved Reserved Reserved Index 45h-- 46h - 25 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 7: Read Only - Reserved. Bit 6-0: Read/Write - Serial Bus address <6:0>. Index 47h VID0 VID1 VID2 VID3 FAN1DIV_B0 FAN1DIV_B1 FAN2DIV_B0 FAN2DIV_B1 Index 48h 48h <6:0> = 0101101 and <7> binary 8 bits W83783S Preliminary Serial Bus Address Reserved Publication Release Date: April 1999 Revision 0.55 ...
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... VCORE Low Limit, default value is defined by Vcore Voltage -0.2v. 2Dh or 6Dh Reserved 2Eh or 6Eh Reserved 2Fh or 6Fh +3.3VIN High Limit 30h or 70h +3.3VIN Low Limit 31h or 71h +5VIN High Limit 32h or 72h +5VIN Low Limit Description Publication Release Date: April 1999 - 27 - W83783S Preliminary Revision 0.55 ...
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... Reserved Setting all ones to the high limits for voltages and fans (0111 1111 binary for temperature) means interrupts will never be generated except the case when voltages go below the low limits. Description Publication Release Date: April 1999 - 28 - W83783S Preliminary Revision 0.55 ...
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... Power on Default Value Attribute: Size: 7 49h <7:1> is 000,0001b <0> is mapped to VID <4> 8 bits 4Ah <7:0> = 0000,0001 binary. Reset by MR Read/Write 8 bits I2CADDR2 I2CADDR2 I2CADDR2 DIS_T2 Reserved Reserved Reserved Reserved - 29 - W83783S Preliminary VID4 DID<6:0> Publication Release Date: April 1999 Revision 0.55 ...
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... ADC clock select 22.5 Khz. <5:4> = 01- ADC clock select 5.6 Khz. (22.5K/4) <5:4> ADC clock select 1.4Khz. (22.5K/16) <5:4> ADC clock select 0.35 Khz. (22.5K/64) 4Bh <7:0> 44h. Reset by MR. Read/Write 8 bits Reserved Reserved CLKINSEL CLKINSEL ADCOVSEL ADCOVSEL FAN3DIV_B0 FAN3DIV_B1 - 30 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 2: Over-temperature polarity. Write 1, OVT# active high. Write 0, OVT# active low. Default 0. Bit 1-0: Reserved. User Defined. 4Ch <7:0> --0000,0001. Reset by MR. Read/Write 8 bits Reserved Reserved OVTPOL DIS_OVT Reserved EN_ONE_INTMODE T1_INTMode PWM2SEL - 31 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... FAN control signal and the output value of FAN control is set by this register bit 1. This output pin can connect to power PMOS gate to control FAN ON/OFF. 4Dh <7:0> 0001,0101. Reset by MR. Read/Write 8 bits FANINC1 FANOPV1 FANINC2 FANOPV2 FANINC3 FANOPV3 GPOSEL DIS_ABN - 32 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 7-0: Vendor ID Low Byte if CR4E.bit7=0. Default A3h. 4Eh <6:3> = Reserved, <7> <2:0> Reset by MR Read/Write 8 bits BANKSEL0 BANKSEL1 BANKSEL2 Reserved Reserved Reserved Reserved HBACS 4Fh <15:0> = 5CA3h Read Only 16 bits VIDH VIDL - 33 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 0: Enable BEEP Output from VCORE if the monitor value exceed the limits value. Write 1, enable BEEP output, which is default value 56h <7:0> 0000,0000. Reset by MR. Read/Write 8 bits EN_VC_BP Reserved EN_V33_BP EN_V5_BP EN_T2_BP EN_T1_BP EN_FAN1_BP EN_FAN2_BP - 34 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 0: Enable BEEP output from +12V, Write 1, enable BEEP output if the monitor value exceed the limits value. Default 0, that is disable BEEP output EN_V12_BP EN_NV12_BP EN_NV5_BP EN_FAN3_BP Reserved Reserved Reserved EN_GBP - 35 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bipolar mode. Bit 3-0: Reserved 58h <7:0> 0100-0000. Reset by MR. Read Only 8 bits 59h <7>=0 and <6:4> = 111 and <3:0> = 0000 Read/Write 8 bits Reserved Reserved Reserved Reserved SELPIIV2 SELPIIV1 Reserved Reserved - 36 - W83783S Preliminary CHIPID Publication Release Date: April 1999 Revision 0.55 ...
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... PWMOUT1 Control Register -- Index 5Ah (Bank 0) Register Location: Power on default value: Attribute: Size Bit 7: PWMOUT1 duty cycle control Write FF, Duty cycle is 100%, Write 00, Duty cycle is 0%. 5Ah <7:0> 1111-1111. Reset by MR. Read/Write 8 bits 36-A - W83783S Preliminary PWM1_DUTY Publication Release Date: April 1999 Revision 0.55 ...
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... The clock defined frequency is same as PWMOUT2 clock selection. 5Bh <7:0> 1111-1111. Reset by MR. Read/Write 8 bits 5Ch <7:0> 0001-0001. Reset by MR. Read/Write 8 bits PWM2CLKSEL PWM2CLKSEL PWM2CLKSEL EN_FANPWM1 PWM1CLKSEL PWM1CLKSEL PWM1CLKSEL Reserved - 37 - W83783S Preliminary PWM2_DUTY Publication Release Date: April 1999 Revision 0.55 ...
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... Reset by MR. Read/Write 8 bits Reserved DIODES2 DIODES1 Reserved Reserved FANDIV1_B2 FANDIV2_B2 FANDIV3_B2 Fan Bit 2 Bit 1 Divisor W83783S Preliminary Bit 0 Fan Divisor 128 Publication Release Date: April 1999 Revision 0.55 ...
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... Temperature Sensor 1 Temperature (Low Byte) Register - Index 00h Register Location: 00h Attribute: Read Only Size: 8 bits 7 Bit 7: Temperature <0> of sensor2, which is low byte. Bit 6-0: Reserved. This bit should be set TEMP2<0> W83783S Preliminary TEMP2<8:1> Reserved Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 1: Read/Write - OVT# Interrupt mode select. This bit default is set to 0, which is compared mode. When set to 1, interrupt mode will be selected. Bit 0: Read/Write - When set to 1 the sensor will stop monitor. 01h <7:0> = 0x00 8 bits STOP2 INTMOD Reserved FAULT FAULT Reserved Reserved Reserved - 40 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Size: 7 Bit 7: Temperature hysteresis bit 0, which is low Byte. Bit 6-0: Reserved. This bit should be set to 0. 02h <7:0> = 0x4B Read/Write 8 bits 02h <7:0> = 0x0 Read Only 8 bits THYST2<0> W83783S Preliminary THYST2<8:1> Reserved Publication Release Date: April 1999 Revision 0.55 ...
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... Size: 7 Bit 7: Read/Write - Over-temperature bit 0, which is low Byte. Bit 6-0: Read Only - Reserved. This bit should be set to 0. 03h <7:0> = 0x50 Read/Write 8 bits 03h <7:0> = 0x0 8 bits TOVF2<0> W83783S Preliminary TOVF2<8:1> Reserved Publication Release Date: April 1999 Revision 0.55 ...
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... Reset by MR. Read/Write 8 bits Reserved Reserved Reserved Reserved Reserved EN_USER_BP Reserved Reserved 59h <7:0> 0000,0000. Reset by MR. Read Only 8 bits VCORE_STS Reserved +3.3VIN_STS +5VIN_STS TEMP2_STS TEMP1_STS FAN1_STS FAN2_STS - 43 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Real Time Hardware Status Register II -- Index 5Ah (Bank 4) Register Location: Power on Default Value Attribute: Size: 7 5Ah <7:0> 0000,0000. Reset by MR. Read Only 8 bits +12VIN_STS -12VIN_STS -5VIN_STS FAN3_STS Reserved Reserved Reserved Reserved - 44 - W83783S Preliminary Publication Release Date: April 1999 Revision 0.55 ...
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... Bit 1: -12V Voltage Status. Set 1, the voltage of -12V is over the limit value. Set 0, the voltage of - 12V is during the limit range. Bit 0: +12V Voltage Status. Set 1, the voltage of +12V is over the limit value. Set 0, the voltage of +12V is in the limit range. Publication Release Date: April 1999 - 45 - W83783S Preliminary Revision 0.55 ...
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... +10 LIH I -10 LIL V 0.5 0.8 1 1.6 2.0 2 0 +10 LIH I -10 LIL - 46 - W83783S Preliminary UNIT V +0 UNIT CONDITIONS ...
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... Input High Threshold Voltage Hysteresis Input High Leakage Input Low Leakage MIN. TYP. MAX. 0.4 2.4 0.4 0.4 0.4 0.8 2.0 +10 -10 V 0.5 0 1.6 2 0.5 1 LIH I LIL - 47 - W83783S Preliminary UNIT CONDITIONS - ...
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... SCL and SDA fall time t SCL t HD;DAT VALID DATA t SU;DAT Serial Bus Timing Diagram SYMBOL MIN SCL t 4.7 HD;SDA t 4.7 SU;STO t 120 SU;DAT t 5 HD;DAT Publication Release Date: April 1999 - 48 - W83783S Preliminary t SU;STO MAX. UNIT 1.0 uS 300 nS Revision 0.55 ...
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... The top marking of W83783S W83783S 2826978Y-61 814OB Left: Winbond logo 1st line: Winbond logo and the type number: W83783S 2nd line: Tracking code 2 826978Y-61 2: wafers manufactured in Winbond FAB 2 826978Y-61: wafer production series lot number 3rd line: Tracking code 814 O B 814: packages made in '98, week 14 O: assembly house ID ...
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... Winbond Electronics (H.K.) Ltd. Rm. 803, World Trade Square, Tower II 123 Hoi Bun Rd., Kwun Tong Kowloon, Hong Kong TEL: 852-27516023-7 FAX: 852-27552064 Publication Release Date: April 1999 - 50 - W83783S Preliminary Control demensions are in milmeters . E Winbond Electronics (North America) Corp. 2730 Orchard Parkway San Jose, CA 95134 U.S.A. ...
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... APPLICATION CIRCUIT OF WINBOND W83783S Beep Circuits VCC R13 R 100 LS1 R12 R 10K SPEAKER R2 BEEP/GPO# Q1 NPN 3904 R 510 3VCC 4.7K 4.7K OVT# THRM PIIX4 CLKIN SMI# EXTSMI# 3VCC 4.7K 4. SDA SMDAT SCL SMCLK +12V D2 R24 1N4148 4.7K JP2 R23 27K ...