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L9659 датащи(PDF) 46 Page - STMicroelectronics |
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L9659 датащи(HTML) 46 Page - STMicroelectronics |
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46 / 51 page ![]() Functional description L9659 46/51 Doc ID 022048 Rev 2 All other combinations for MOSI bits D9:D7 will produce an error response of 0xD000. Bits [D6:D0] Current measurement data of selected squib channel. Bit weight is nominally 25µs for a total measurement time 3.175ms. Monitor mode 3 Monitor mode main information: ● Status of FENx Function - FENx pin OR’d with Internal FENx latch ● Status of current for each channel The SPI message definition for MOSI commands and MISO responses in Monitor Mode 3 are defined below. 4 1 0 0 5 1 0 1 6 1 1 0 7 1 1 1 Table 29. Current measurement channel selections (continued) Channel Bit D9 Bit D08 Bit D07 MSB LSB D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 MOSI Command for Monitor Mode 3 1 1 P 0 1 0 CFS 0 0 0 0 0 0 0 0 0 MISO Response for Monitor Mode 3 1 1 P 0 1 0 CFS POR STAT CF7 CF6 CF5 CF4 CF3 CF2 CF1 CF0 Table 30. MOSI monitor mode 3 bit definition Bit MOSI command MISO response State Description D15 1 Mode Bits See above for state D14 1 See above for state D13 - Odd Parity – Includes all 16 bits Odd Parity – Includes all 16 bits D12 0 - See above for state D11 1 - See above for state D10 0 - See above for state D09 Status Type 0 = Current limit status 1 = FEN function status 0 = current measurement status reported in bit D7:D0 1 = FEN function status reported in D7:D0 D08 0 - POR status D7:D0 0 - Current measurement status of channels or FEN status as indicated below |
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