STM32F205XX_12 STMICROELECTRONICS [STMicroelectronics], STM32F205XX_12 Datasheet - Page 131

• Manufacturer Part Number: STM32F205XX_12
• Description: ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM32F20xxx
Figure 60. Synchronous non-multiplexed NOR/PSRAM read timings
Table 76.
1. C
2. Based on characterization, not tested in production.
t
t
t
t
t
t
t
t
t
t
t
FSMC_D[15:0]
FSMC_NWAIT
(WAITCFG = 1b, WAITPOL + 0b)
FSMC_NWAIT
(WAITCFG = 0b, WAITPOL + 0b)
FSMC_A[25:0]
w(CLK)
d(CLKL-NExL)
d(CLKL-NExH)
d(CLKL-NADVL)
d(CLKL-NADVH)
d(CLKL-AV)
d(CLKL-AIV)
d(CLKH-NOEL)
d(CLKL-NOEH)
su(DV-CLKH)
h(CLKH-DV)
FSMC_NADV
FSMC_CLK
FSMC_NOE
Symbol
FSMC_NEx
L
t d(CLKL-NADVL)
t d(CLKL-NExL)
= 30 pF.
Synchronous non-multiplexed NOR/PSRAM read timings
t w(CLK)
FSMC_CLK period
FSMC_CLK low to FSMC_NEx low (x=0..2)
FSMC_CLK low to FSMC_NEx high (x= 0…2)
FSMC_CLK low to FSMC_NADV low
FSMC_CLK low to FSMC_NADV high
FSMC_CLK low to FSMC_Ax valid (x=16…25)
FSMC_CLK low to FSMC_Ax invalid (x=16…25)
FSMC_CLK high to FSMC_NOE low
FSMC_CLK low to FSMC_NOE high
FSMC_D[15:0] valid data before FSMC_CLK high
FSMC_D[15:0] valid data after FSMC_CLK high
t d(CLKL-AV)
Doc ID 15818 Rev 9
t su(NWAITV-CLKH)
t su(NWAITV-CLKH)
t d(CLKL-NADVH)
t su(DV-CLKH)
Data latency = 0
Parameter
t w(CLK)
t su(NWAITV-CLKH)
D1
t d(CLKH-NOEL)
t su(DV-CLKH)
t h(CLKH-DV)
t h(CLKH-NWAITV)
t h(CLKH-NWAITV)
Electrical characteristics
t h(CLKH-NWAITV)
t d(CLKL-NOEH)
t d(CLKL-NExH)
D2
BUSTURN = 0
t d(CLKL-AIV)
2T
Min
1.5
3.5
HCLK
1
4
3
8
-
-
-
-
t h(CLKH-DV)
(1)(2)
Max
2.5
0
1
0
-
-
-
-
-
-
-
131/177
ai14894g
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns