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33989 Datasheet(PDF) 24 Page - Freescale Semiconductor, Inc |
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33989 Datasheet(HTML) 24 Page - Freescale Semiconductor, Inc |
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24 / 66 page ![]() Analog Integrated Circuit Device Data 24 Freescale Semiconductor 33989 FUNCTIONAL DEVICE OPERATION RESET AND WATCHDOG PINS, SOFTWARE WATCHDOG OPERATIONS Table 6. Table of Operation Mode Voltage Regulator HS1 Switch Wake-up Capabilities (if enabled) Reset Pin INT Software Watchdog CAN Cell Normal Request VDD1:ON V2:OFF HS1:OFF — Low for Reset-DUR Time, then High — — — Normal VDD1:ON V2:ON HS1:Controllable — Normally High Active Low if WD or VDD1 under voltage occurs (and mode 1 selected) If Enabled, Signal Failure (VDD1 Pre- Warning Temp, CAN, HS1) Running Tx/Rx Standby VDD1:ON V2:OFF HS1:Controllable — Same as Normal Mode Same as Normal Mode Running Low Power Stop VDD1:ON (Limited Current Capability) V2:OFF HS1:OFF or Cyclic CAN SPI L0:L3 Cyclic Sense Forced Wake-up IDD1 Over Current (28) Normally High Active Low if WD (29) or VDD1 Under Voltage Occurs Signal SBC Wake- up and IDD > IDD1S/WU (Not Maskable) Running if Enabled Not Running if Disabled Low Power Wake-up Capability if Enabled Sleep VDD1:OFF V2:OFF HS1:OFF or Cyclic CAN SPI L0:L3 Cyclic Sense Forced Wake-up Low Not Active Not Running Low Power Wake-up Capability if Enabled Debug Normal Same as Normal — Normally High Active Low if VDD1 Under Voltage Occurs Same as Normal Not Running Same as Normal Debug Standby Same as Standby — Normally High Active Low if VDD1 Under Voltage Occurs Same as Standby Not Running Same as Standby Stop Debug Same as Stop Same as Stop Normally High Active Low if VDD1 Under Voltage Occurs Same as Stop Not Running Same as Stop Flash Programming Forced Externally — Not Operating Not Operating Not Operating Not Operating Notes 28. Always enable. 29. If enabled. |
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