33911 datasheet(24/45 Pages) FREESCALE

Part #	33911

Description	LIN System Basis Chip with DC Motor Pre-driver

PDF	45 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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24 / 45 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

33911

FUNCTIONAL DEVICE OPERATIONS

OPERATIONAL MODES

Figure 15. Operating Modes and Transitions

Normal Request Timeout Expired (tNRTOUT)

VDD HIGH AND

RESET DELAY (tRST) EXPIRED

VDD LOW

WD FAILED

VDD LOW (>tNRTOUT) EXPIRED

AND VSUV = 0

SLEEP COMMAND

WAKE-UP (RESET)

Power Up

Legend

WD: Watchdog

WD Disabled: Watchdog disabled (WDCONF pin connected to GND)

WD Trigger: Watchdog is triggered by SPI command

WD Failed: No watchdog trigger or trigger occurs in closed window

Stop Command: Stop command sent via SPI

Sleep Command: Sleep command sent via SPI

wake-up from Stop Mode: Lx state change, LIN bus wake-up, Periodic wake-up, CS rising edge wake-up or RST wake-up.

VDD LOW

wake-up from Sleep Mode: Lx state change, LIN bus wake-up, Periodic wake-up.

POWER

DOWN

NORMAL

REQUEST

RESET

NORMAL

SLEEP

STOP

33911 Datasheet(PDF) 24 Page - Freescale Semiconductor, Inc