ASC7531A ETC2 [List of Unclassifed Manufacturers], ASC7531A Datasheet - Page 9

• Manufacturer Part Number: ASC7531A
• Description: LOW-VOLTAGE 1-WIRE DIGITAL TEMPERATURE SENSOR AND VOLTAGE MONITOR
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

GetVolt5V()
Returns the voltage attached to the 5 volt pin.
Write Data Length:
Read Data Length:
Command Code:
GetVolt3p3V()
Returns the voltage attached to the 3.3 volt pin.
Write Data Length:
Read Data Length:
Command Code:
GetVolt2p5V()
Returns the voltage attached to the 2.5 volt pin.
Write Data Length:
Read Data Length:
Command Code:
GetVoltVccp()
Returns the voltage attached to the V
Write Data Length:
Read Data Length:
Command Code:
GetAllVoltages()
Returns a block of 10-bytes of data containing all 5 voltages in the following order 12V, 5V, 3.3V, 2.5V, and V
Write Data Length:
Read Data Length:
Command Code:
Optional SST Device Commands
The optional SST commands Alert(), Suspend() are not supported in the aSC7531.
Vendor Specific Extensions
The vendor specific command codes are in the range from 0xE0 and 0xE7. Reading and writing to specific internal registers is
provided for custom tuning of sensor response characteristics.
WriteReg()
Writes to the sensor’s internal registers.
Write Data Length:
Read Data Length:
Command Code:
Example bus transaction to write to a sensor located at address 0x48. This example writes 2 consecutive locations (0x20 and 0x21)
to values 0x25 and 0x28.
© Andigilog, Inc. 2006
Target Address
0x48
8
Write Length
0x01
0x02
0x11
0x01
0x02
0x12
0x01
0x02
0x13
0x01
0x02
0x14
0x01
0x0A
0x10
2+N (command + address + Number of bytes to write)
0x00
0xE0
0x04
8
CCP
pin.
Read Length
0x00
8
www.andigilog.com
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Command
0xE0
8
aSC7531A / aSC7531B
December
CCP
2006 - 70A05012