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STM705AM6F 数据表(PDF) 9 Page - STMicroelectronics |
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STM705AM6F 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 32 page ![]() STM705, STM706, STM707, STM708, STM813L Pin descriptions Doc ID 10520 Rev 9 9/33 2.7 PFO When PFI is less than VPFI, PFO goes low; otherwise, PFO remains high. Leave open if unused. Output type is push-pull. Figure 7. Block diagram (STM705/706/813L) 1. For STM813L only. Table 3. Pin description Pin Name Function STM813L STM707 STM708 STM705 STM706 1 1 1 MR Push-button reset input 6 — 6 WDI Watchdog input 8 — 8 WDO Watchdog output (push-pull) — 7 7 RST Active-low reset output 7 8 — RST Active-high reset output 2 2 2 VCC Supply voltage 4 4 4 PFI Power-fail input 5 5 5 PFO Power-fail output (push-pull) 3 3 3 VSS Ground — 6 — NC No connect AI08829 WATCHDOG TIMER VRST WDI transitional detector COMPARE COMPARE trec generator VPFI VCC VCC PFI MR WDI RST (RST) (1) PFO WDO |
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