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L9678P Datasheet(PDF) 69 Page - STMicroelectronics |
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L9678P Datasheet(HTML) 69 Page - STMicroelectronics |
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69 / 203 page ![]() DocID029274 Rev 3 69/203 L9678P, L9678P-S SPI interface 202 5.1.16 WD1 timer control register (WD1T) Address: 2B Type: W Buffer: $2B00 Reset: $0056 5.1.17 WD1 state register (WDSTATE) Address: 2C Type: R Buffer: $2C00 Reset: - 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MOSI - X X X X X X X X X X X X X X WD1CTL[1:0] MISO 0 0 0 0 WD1_TIMER 0 0 0 0 0 0 WD1CTL[1:0] WD1CTL[1:0] 00 00 00 WD1 Control command Updated by SSM_RESET or SPI write 00 NOP 01 Code 'A' 10 Code 'B' 11 NOP WD1_TIMER $00 $00 $00 WD1 Window timer value Cleared by SSM_RESET or by WD1 refresh, incremented every 8µs or 64µs while in WD1_RUN or WD1_TEST states 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 MOSI - X X X X X X X X X X X X X X X X MISO 0 0 0 0 0 WD1_ERR_CNT[3:0] WD_STATE[2:0] 0 0 0 0 0 0 0 0 WD1_ERR_CNT[3:0] 000 000 - Watchdog error counter Updated according to Watchdog State Diagram WD1_STATE[2:0] 000 000 - Watchdog state Updated according to Watchdog State Diagram 000 INITIAL |
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