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33797 Datasheet(PDF) 22 Page - Freescale Semiconductor, Inc |
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33797 Datasheet(HTML) 22 Page - Freescale Semiconductor, Inc |
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22 / 34 page  Analog Integrated Circuit Device Data 22 Freescale Semiconductor 33797 FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES Table 7. Diagnostic Bit Definitions Hex Code Command Description Diagnostic Data Out (Available on Next Command) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 00 NOP 0 0 0 0 0 0 0 0 70 Squib 1A Current Measurement Time SQB_1A BIT 7 MS SQB_1A BIT 6 SQB_1A BIT 5 SQB_1A BIT 4 SQB_1A BIT 3 SQB_1A BIT 2 SQB_1A BIT 1 SQB_1A BIT 0 LS 71 Squib 1B Current Measurement Time SQB_1B BIT 7 MS SQB_1B BIT 6 SQB_1B BIT 5 SQB_1B BIT 4 SQB_1B BIT 3 SQB_1B BIT 2 SQB_1B BIT 1 SQB_1B BIT 0 LS 72 Squib 2A Current Measurement Time SQB_2A BIT 7 MS SQB_2A BIT 6 SQB_2A BIT 5 SQB_2A BIT 4 SQB_2A BIT 3 SQB_2A BIT 2 SQB_2A BIT 1 SQB_2A BIT 0 LS 73 Squib 2B Current Measurement Time SQB_2B BIT 7 MS SQB_2B BIT 6 SQB_2B BIT 5 SQB_2B BIT 4 SQB_2B BIT 3 SQB_2B BIT 2 SQB_2B BIT 1 SQB_2B BIT 0 LS 79 Squib X Current Status 0 0 0 0 SQB_2B Current Limit Status SQB_2A Current Limit Status SQB_1B Current Limit Status SQB_1A Current Limit Status 7F Thermal Shutdown Status ThermalSD Thermal LSDSTAT _2B Thermal HSDSTAT _2B Thermal LSDSTAT _2A Thermal HSDSTAT _2A Thermal LSDSTAT _1B Thermal HSDSTAT _1B Thermal LSDSTAT _1A Thermal HSDSTAT _1A C0 VDIAG and High- Side Safing Sensor Diagnostics RSSLO RSSHI VDIAG_2 VDHI VDIAG_2 VDLO RSSLO RSSHI VDIAG_1 VDHI VDIAG_1 VDLO C1 Squib Short-to- Ground/Short-to- Battery Diagnostics SQB_2B NO_SH_ GND SQB_2B NO_SH_ BATT SQB_2A NO_SH_ GND SQB_2A NO_SH_ BATT SQB_1B NO_SH_ GND SQB_1B NO_SH_ BATT SQB_1A NO_SH_ GND SQB_1A NO_SH_ BATT C2 Low-Side Driver Continuity Status 0 0 0 0 SQB_LO_2B_ CONT SQB_LO_2A CONT SQB_LO_1B CONT SQB_LO_1A CONT C3 Harness Short-to- Ground/ Short-to- Battery with Squib Open (No Squib Present) SQB_2B OPEN NO_SH_ GND SQB_2B OPEN NO_SH_ BATT SQB_2A OPEN NO_SH_ GND SQB_2A OPEN NO_SH_ BATT SQB_1B OPEN NO_SH_ GND SQB_1B OPEN NO_SH_ BATT SQB_1A OPEN NO_SH_ GND SQB_1A OPEN NO_SH_ BATT Hex Code Command Description Diagnostic Data Out (Available on Next Command) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 C5 VFIRE_1B and VFIRE_2B Voltage 0 0 0 VFIRE_B Tested X X VHI VLO C6 VDIAG_1 and VDIAG_2 Diagnostics VDIAG_2 V4 VDIAG_2 V3 VDIAG_2 V2 VDIAG_2 V1 VDIAG_1 V4 VDIAG_1 V3 VDIAG_1 V2 VDIAG_1 V1 |
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