33912 Datasheet, PDF (26/47 Pages) Freescale Semiconductor, Inc – LIN System Basis Chip with DC Motor Pre-driver and Current

FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
Power
Down
Power Up
Normal R_Noe_rq_mu_ae_{l R}s_et_qT_ueim_ste_ti-_mo_eu_ot_utE_ex_xpp_ii_rr_ee_dd_(N(_Rt_NTORUTT)OUT)
V_{VDDDD L}L_oo_ww
Reset
V_DD High and
VDRDeHsigeht aDndelRaeyse(ttD_Re_Sl_Tay) (EtRxSTp) ierxepdired
Normal
Request
V_{VDDDD L}L_oo_ww
WDWDFafaiilleedd
Normal
V_VDDDDLL_owO₍W_>NR(>_TOt_{UNT)ReTxOpiUreTd}) Expired
and_aV_nS_dU_VV _S= _U0 _{V = 0}
Sle_Se_Lp_EEC_Po_Cm_omm_ma_an_nd_d
WaWkaeke-U-Upp ((RReeseste) t)
Sleep
Stop
V_DVDDD L_Loo_ww
Legend
WD: Watchdog
WD Disable^Nd^o:^teW^sa^: tchdog disabled (WDCONF pin connected to GND)
WD Trigger^W: W^D a^-tc^mh^ed^aoⁿg^sis^Wt^ari^tg^cg^he^dr^oe^gd by SPI command
WD Failed:^WN^Do ^dwⁱa^satc^bh^led^dog^- t^mrig^eg^aeⁿr^so^Wr ^atr^ti^cg^hg^de^or^go^dcc^isu^ar^bs^lein^d c^(Wlos^De^Cd^Ow^Nin^Fd^to^ew^{rminal connected to GND)}
Stop Comm^Wa^Dnd^t:^riS^ggto^ep^{r –}co^mm^em^ana^snd^Ws^ae^tcn^ht ^dv^oia^g S^isP^tI^{riggered by SPI command}
Sleep Com^Wma^Dn^fd^a:^ileS^dle^–ep^mc^eo^am^nsmⁿa^ond^Ws^ae^tcn^ht^dv^oia^g S^triP^gI^{ger or trigger occurs in closed window}
Wake-Up
Wake-Up
fr^So^Tm^OS^Pto^Cp^omM^mod^aeⁿ:^dL1^- ,^mL^e2^a,ⁿL^s3^So^Tr^OL^P4 s^ct^oa^mte^mc^ahⁿa^dn^sg^eeⁿ, ^tL^vIN^ia b^Su^Ps^I wake-up, Periodic wake-up,
fr^Som^LES^El^Pee^Cp^oM^mo^md^aeⁿ: ^dL1^-, L^m2^e,^aLⁿ3^so^Sr^LL^E4^Es^Pta^cte^omch^ma^anⁿg^de,^sL^eIⁿN^db^vu^ias w^SPak^I e-up, Periodic wake-up.
CS
rising
edge
wake-up
or
RST
wake-up.
Wake-Up - means L1 or L2 state change or LIN bus wake up or SS rising edge
Figure 15. Operating Modes and Transitions
33912
26
Analog Integrated Circuit Device Data
Freescale Semiconductor