参数资料
型号: STM32F205ZFT6XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 120 MHz, RISC MICROCONTROLLER, PQFP144
封装: 20 X 20 MM, ROHS COMPLIANT, LQFP-144
文件页数: 23/163页
文件大小: 2275K
代理商: STM32F205ZFT6XXX
STM32F205xx, STM32F207xx
Electrical characteristics
Doc ID 15818 Rev 7
119/163
Figure 55.
Asynchronous non-multiplexed SRAM/PSRAM/NOR write waveforms
1.
Mode 2/B, C and D only. In Mode 1, FSMC_NADV is not used.
Table 68.
Asynchronous non-multiplexed SRAM/PSRAM/NOR write timings(1)(2)
1.
CL = 15 pF.
2.
Preliminary values.
Symbol
Parameter
Min
Max
Unit
tw(NE)
FSMC_NE low time
3THCLK – 1
3THCLK + 2
ns
tv(NWE_NE)
FSMC_NEx low to FSMC_NWE low
THCLK – 0.5
THCLK + 1.5
ns
tw(NWE)
FSMC_NWE low time
THCLK – 0.5
THCLK + 1.5
ns
th(NE_NWE)
FSMC_NWE high to FSMC_NE high hold time
THCLK
ns
tv(A_NE)
FSMC_NEx low to FSMC_A valid
7.5
ns
th(A_NWE)
Address hold time after FSMC_NWE high
THCLK
ns
tv(BL_NE)
FSMC_NEx low to FSMC_BL valid
1.5
ns
th(BL_NWE)
FSMC_BL hold time after FSMC_NWE high
THCLK – 0.5
ns
tv(Data_NE)
FSMC_NEx low to Data valid
THCLK + 7
ns
th(Data_NWE) Data hold time after FSMC_NWE high
THCLK
ns
tv(NADV_NE)
FSMC_NEx low to FSMC_NADV low
5.5
ns
tw(NADV)
FSMC_NADV low time
THCLK + 1.5
ns
NBL
Data
FSMC_NEx
FSMC_NBL[1:0]
FSMC_D[15:0]
tv(BL_NE)
th(Data_NWE)
FSMC_NOE
Address
FSMC_A[25:0]
tv(A_NE)
tw(NWE)
FSMC_NWE
tv(NWE_NE)
t h(NE_NWE)
th(A_NWE)
th(BL_NWE)
tv(Data_NE)
tw(NE)
ai14990
FSMC_NADV(1)
t v(NADV_NE)
tw(NADV)
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