CD00237391 Datasheet, PDF (139/177 Pages) STMicroelectronics – ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM

STM32F20xxx
Electrical characteristics
Figure 68. NAND controller waveforms for read access
FSMC_NCEx
ALE (FSMC_A17)
CLE (FSMC_A16)
FSMC_NWE
FSMC_NOE (NRE)
FSMC_D[15:0]
t_d(ALE-NOE)
t_h(NOE-ALE)
tsu(D-NOE)
th(NOE-D)
Figure 69. NAND controller waveforms for write access
FSMC_NCEx
ALE (FSMC_A17)
CLE (FSMC_A16)
FSMC_NWE
t_d(ALE-NWE)
t_h(NWE-ALE)
ai14901c
FSMC_NOE (NRE)
FSMC_D[15:0]
t_v(NWE-D)
t_h(NWE-D)
ai14902c
Doc ID 15818 Rev 9
139/177