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NCV7708BDWR2G Datasheet(PDF) 9 Page - ON Semiconductor |
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NCV7708BDWR2G Datasheet(HTML) 9 Page - ON Semiconductor |
9 / 16 page NCV7708B http://onsemi.com 9 Figure 3. SPI Communication Frame Format CSB SI SCLK SO OUTH4 OUTL5 OUTH5 OUTL6 OUTH6 OCD ULD OVLO OUTH2 OUTL3 OUTH3 OUTL4 SRR OUTL1 OUTH1 OUTL2 OUTH4 OUTL5 OUTH5 OUTL6 OUTH6 OLD ULD PSF OUTH2 OUTL3 OUTH3 OUTL4 OUTL1 OUTH1 OUTL2 TW The table below defines the programming bits and diagnostic bits. Fault information is sequentially clocked out the SO pin of the NCV7708B as programming information is clocked into the SI pin of the device. Daisy chain communication between SPI compatible IC’s is possible by connection of the serial output pin (SO) to the input of the sequential IC (SI). Input Data Bit Number Bit Description Bit Status 15 Over Voltage Lock Out Control (OVLO) 0 = Disable 1 = Enable 14 Under Load Detection Shut Down Control (ULD) 0 = Disable 1 = Enable 13 Over Current Detection Shut Down Control (OCD) 0 = Disable 1 = Enable 12 OUTH6 0 = Off 1 = On 11 OUTL6 0 = Off 1 = On 10 OUTH5 0 = Off 1 = On 9 OUTL5 0 = Off 1 = On 8 OUTH4 0 = Off 1 = On 7 OUTL4 0 = Off 1 = On 6 OUTH3 0 = Off 1 = On 5 OUTL3 0 = Off 1 = On 4 OUTH2 0 = Off 1 = On 3 OUTL2 0 = Off 1 = On 2 OUTH1 0 = Off 1 = On 1 OUTL1 0 = Off 1 = On 0 Status Register Reset (SRR) 0 = No Reset 1 = Reset Output Data Bit Number Bit Description Bit Status 15 Power Supply Fail Signal (OVLO or UVLO = PSF) 0 = No Fault 1 = Fault 14 Under Load Detect Signal (ULD) 0 = No Fault 1 = Fault 13 Over Load Detect Signal (OLD) 0 = No Fault 1 = Fault 12 OUTH6* 0 = Off 1 = On 11 OUTL6* 0 = Off 1 = On 10 OUTH5* 0 = Off 1 = On 9 OUTL5* 0 = Off 1 = On 8 OUTH4* 0 = Off 1 = On 7 OUTL4* 0 = Off 1 = On 6 OUTH3* 0 = Off 1 = On 5 OUTL3* 0 = Off 1 = On 4 OUTH2* 0 = Off 1 = On 3 OUTL2* 0 = Off 1 = On 2 OUTH1* 0 = Off 1 = On 1 OUTL1* 0 = Off 1 = On 0 Thermal Warning (TW) 0 = Not in TW 1 = In TW *Output Bits [1:12] represent the state of the designated outputs. |
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