STM32F205XX Datasheet, PDF (128/170 Pages) STMicroelectronics – USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

Electrical characteristics
STM32F205xx, STM32F207xx
Table 73. Synchronous multiplexed NOR/PSRAM read timings⁽¹⁾⁽²⁾
Symbol
Parameter
Min
Max
t_w(CLK)
FSMC_CLK period
2T_HCLK
-
t_d(CLKL-NExL) FSMC_CLK low to FSMC_NEx low (x=0..2)
-
0
t_d(CLKL-NExH) FSMC_CLK low to FSMC_NEx high (x= 0…2)
1
-
t_{d(CLKL-NADVL)} FSMC_CLK low to FSMC_NADV low
-
1.5
t_{d(CLKL-NADVH)} FSMC_CLK low to FSMC_NADV high
2.5
-
t_d(CLKL-AV) FSMC_CLK low to FSMC_Ax valid (x=16…25)
-
0
t_d(CLKL-AIV) FSMC_CLK low to FSMC_Ax invalid (x=16…25)
0
-
t_d(CLKL-NOEL) FSMC_CLK low to FSMC_NOE low
-
1
t_d(CLKL-NOEH) FSMC_CLK low to FSMC_NOE high
1
-
t_d(CLKL-ADV) FSMC_CLK low to FSMC_AD[15:0] valid
-
3
t_d(CLKL-ADIV) FSMC_CLK low to FSMC_AD[15:0] invalid
0
-
t_su(ADV-CLKH)
FSMC_A/D[15:0] valid data before FSMC_CLK
high
5
-
t_h(CLKH-ADV) FSMC_A/D[15:0] valid data after FSMC_CLK high
0
-
1. C_L = 30 pF.
2. Based on characterization, not tested in production.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
128/170
Doc ID 15818 Rev 8