STM32MP151AAB3 datasheet(172/253 Pages) STMICROELECTRONICS

172 / 253 page

Electrical characteristics

STM32MP151A/D

172/253

DS12500 Rev 3

Table 57. Asynchronous non-multiplexed SRAM/PSRAM/NOR read timings(1)

Symbol

Parameter

Min

Max

Unit

tw(NE)

FMC_NE low time

3Tfmc_ker_ck-1

3Tfmc_ker_ck+0.5

tv(NOE_NE)

FMC_NEx low to FMC_NOE low

tw(NOE)

FMC_NOE low time

2Tfmc_ker_ck-1

2Tfmc_ker_ck+1

th(NE_NOE)

FMC_NOE high to FMC_NE high hold time

Tfmc_ker_ck-1

tv(A_NE)

FMC_NEx low to FMC_A valid

th(A_NOE)

Address hold time after FMC_NOE high

2Tfmc_ker_ck-1

tsu(Data_NE)

Data to FMC_NEx high setup time

Tfmc_ker_ck+15

tsu(Data_NOE)

Data to FMC_NOEx high setup time

th(Data_NOE)

Data hold time after FMC_NOE high

th(Data_NE)

Data hold time after FMC_NEx high

tv(NADV_NE)

FMC_NEx low to FMC_NADV low

tw(NADV)

FMC_NADV low time

Tfmc_ker_ck+1

1. Guaranteed by characterization results.

Table 58. Asynchronous non-multiplexed SRAM/PSRAM/NOR read - NWAIT timings(1)(2)

Symbol

Parameter

Min

Max

Unit

tw(NE)

FMC_NE low time

7Tfmc_ker_ck-0.5 7Tfmc_ker_ck+1

tw(NOE)

FMC_NWE low time

6Tfmc_ker_ck-0.5 6Tfmc_ker_ck+1

tw(NWAIT)

FMC_NWAIT low time

Tfmc_ker_ck

tsu(NWAIT_NE)

FMC_NWAIT valid before FMC_NEx high

7Tfmc_ker_ck+2

th(NE_NWAIT)

FMC_NEx hold time after FMC_NWAIT invalid

5Tfmc_ker_ck

1. Guaranteed by characterization results.

2. NWAIT pulse width is equal to 1 AHB cycle.

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