STM32F101XF datasheet(62/117 Pages) STMICROELECTRONICS

62 / 117 page

Electrical characteristics

STM32F101xF, STM32F101xG

62/117

DocID16553 Rev 5

Figure 22. Asynchronous multiplexed NOR/PSRAM write waveforms

Table 34. Asynchronous multiplexed NOR/PSRAM write timings(1)(2)

1. CL = 15 pF.

2. Guaranteed by characterization results.

Symbol

Parameter

Min

Max

Unit

tw(NE)

FSMC_NE low time

5tHCLK + 0.5

5tHCLK + 2

tv(NWE_NE) FSMC_NEx low to FSMC_NWE low

tHCLK + 1

tHCLK + 1.5

tw(NWE)

FSMC_NWE low time

3tHCLK – 1

3tHCLK + 2

th(NE_NWE) FSMC_NWE high to FSMC_NE high hold time

tHCLK - 0.5

tv(A_NE)

FSMC_NEx low to FSMC_A valid

3.5

tv(NADV_NE) FSMC_NEx low to FSMC_NADV low

tw(NADV)

FSMC_NADV low time

tHCLK + 0.5

tHCLK + 1.5

th(AD_NADV)

FSMC_AD (address) valid hold time after

FSMC_NADV high

tHCLK – 0.5

th(A_NWE)

Address hold time after FSMC_NWE high

4tHCLK – 2

tv(BL_NE)

FSMC_NEx low to FSMC_BL valid

0.5

th(BL_NWE) FSMC_BL hold time after FSMC_NWE high

tHCLK – 1.5

tv(Data_NADV) FSMC_NADV high to Data valid

tHCLK + 6

th(Data_NWE) Data hold time after FSMC_NWE high

tHCLK – 0.5

STM32F101XF Datasheet(PDF) 62 Page - STMicroelectronics

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