W83627DHG Datasheet, PDF (47/268 Pages) Winbond – WINBOND LPC I/O

W83627DHG
Command Summary, continued.
COMMAND
DESCRIPTION
GetVolt2p5V()
Returns the 2-byte voltage data values for pin VIN2 (Pin 97). This pin should
be connected to +2.5V power through scaling resistors. Refer to 7.4.2.2
GetVoltVccp()
Returns the 2-byte voltage data values of CPUVCORE (Pin 100). This pin
should be connected to CPU power supply directly. The CPU power supply
voltage must not be higher than 2.048 volt
GetAllVoltages()
Returns a 10-byte voltage data value containing all the above listed five (5)
voltages
7.4.2 Combination Sensor Data Format
7.4.2.1. Temperature Data Format
The W83627DHG temperature data format of both CPUTIN and SYSTIN is 16-bit two’s-complement
binary value. It represents multiple of 1/64°C in the temperature reading.
Table 1 shows some typical temperature values in 16-bit two’s complement format.
Table 1 Typical Temperature Values
TEMPERATURE
+80°C
+79.5°C
+1°C
+0°C
-1°C
-5°C
16-BIT DIGITAL OUTPUT (TWO’S COMPLEMENT)
16-BIT BINARY
16-BIT HEX
0001 0100 0000 0000
1400h
0001 0011 1110 0000
13E0h
0000 0000 0100 0000
0010h
0000 0000 0000 0000
0000h
1111 1111 1100 0000
FFC0h
1111 1110 1100 0000
FEC0h
7.4.2.2. Voltage Data Format
The W83627DHG can return five (5) voltage values through the SST interface. The voltage data format
is 16-bit two’s-complement binary. The relation between the 2-byte data and the monitored voltage is
listed below:
1) CPUVCORE (pin 100) = Decimal[2-byte data by GetVoltVccp() ] / 1024 volts
2) 3VCC (pin 12) = Decimal[2-byte data by GetVolt3p3V()] / 1024 volts
3) “+12V” = Decimal[2-byte data by GetVolt12V()] / 1024 / ((R1+R2) / R2) volts
VIN0 (pin 99) is connected as shown below:.
Publication Release Date: Aug, 22, 2007
-35-
Version 1.4