STM32L151ZDT6 Datasheet, PDF (87/140 Pages) STMicroelectronics – Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 384KB Flash

STM32L151xD STM32L152xD
Electrical characteristics
Table 40. Asynchronous multiplexed PSRAM/NOR write timings⁽¹⁾
Symbol
Parameter
Min
Max
Unit
t_w(NE)
t_{v(NWE_NE)}
t_w(NWE)
t_{h(NE_NWE)}
t_{v(A_NE)}
t_{v(NADV_NE)}
t_w(NADV)
t_{h(AD_NADV)}
FSMC_NE low time
FSMC_NEx low to FSMC_NWE low
FSMC_NWE low time
FSMC_NWE high to FSMC_NE high hold time
FSMC_NEx low to FSMC_A valid
FSMC_NEx low to FSMC_NADV low
FSMC_NADV low time
FSMC_AD (address) valid hold time after
FSMC_NADV high
4*T_HCLK - 3 4*T_HCLK + 2 ns
T_HCLK
T_HCLK + 1 ns
2*T_HCLK - 2 2*T_HCLK + 4 ns
T_HCLK - 2.5
-
ns
-
6
ns
1.5
2
ns
T_HCLK - 4
T_HCLK + 4 ns
T_HCLK - 5
-
ns
t_{h(A_NWE)} Address hold time after FSMC_NWE high
t_{h(BL_NWE)} FSMC_BL hold time after FSMC_NWE high
t_{v(BL_NE)}
FSMC_NEx low to FSMC_BL valid
t_{v(Data_NADV)} FSMC_NADV high to Data valid
t_{h(Data_NWE)} Data hold time after FSMC_NWE high
1. C_L = 30 pF.
T_HCLK - 2.5
-
ns
T_HCLK - 3
-
ns
-
0.5
ns
-
T_HCLK + 6 ns
T_HCLK - 2.5
-
ns
Doc ID 022027 Rev 6
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