MCF53017 Datasheet, PDF(33/62 Page) Freescale Semiconductor, Inc

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MCF53017 Datasheet, PDF (33/62 Pages) Freescale Semiconductor, Inc – Version 3 ColdFire® core with EMAC

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Preliminary Electrical Characteristics

FB_CLK

GPIO Outputs

GPIO Inputs

Figure 18. GPIO Timing

5.9 Reset and Configuration Override Timing

Table 16. Reset and Configuration Override Timing

Num

Characteristic

Symbol

Min

Max Unit

R1 RESET Input valid to FB_CLK High

tRVCH

R2 FB_CLK High to RESET Input invalid

R3 RESET Input valid Time 1

tCHRI

1.5

tRIVT

tCYC

R4 FB_CLK High to RSTOUT Valid

tCHROV

R5 RSTOUT valid to Config. Overrides valid

tROVCV

R6 Configuration Override Setup Time to RSTOUT invalid

tCOS

tCYC

R7 Configuration Override Hold Time after RSTOUT invalid

tCOH

R8 RSTOUT invalid to Configuration Override High Impedance

tROICZ

tCYC

1 During low power STOP, the synchronizers for the RESET input are bypassed and RESET is asserted asynchronously to

the system. Thus, RESET must be held a minimum of 100 ns.

FB_CLK

RESET

RSTOUT

Configuration Overrides*:

(RCON, Override pins])

Figure 19. RESET and Configuration Override Timing

NOTE

Refer to the CCM chapter of the MCF5301x Reference Manual for more information.

MCF5301x Data Sheet, Rev. 3

Freescale Semiconductor

PreliminaryâSubject to Change Without Notice

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