Electrical characteristics
STM32F405xx, STM32F407xx
Figure 63. PC Card/CompactFlash controller waveforms for common memory read
access
FSMC_NCE4_2(1)
FSMC_NCE4_1
t
h(NCEx-AI)
t
v(NCEx-A)
FSMC_A[10:0]
t
t
t
h(NCEx-NREG)
h(NCEx-NIORD)
t
t
d(NREG-NCEx)
d(NIORD-NCEx)
h(NCEx-NIOWR
)
FSMC_NREG
FSMC_NIOWR
FSMC_NIORD
FSMC_NWE
t
t
d(NCE4_1-NOE)
w(NOE)
FSMC_NOE
t
t
h(NOE-D)
su(D-NOE)
FSMC_D[15:0]
ai14895b
1. FSMC_NCE4_2 remains high (inactive during 8-bit access.
Figure 64. PC Card/CompactFlash controller waveforms for common memory write
access
FSMC_NCE4_1
FSMC_NCE4_2
FSMC_A[10:0]
High
t
t
h(NCE4_1-AI)
v(NCE4_1-A)
t
t
t
h(NCE4_1-NREG)
h(NCE4_1-NIORD)
h(NCE4_1-NIOWR)
t
t
d(NREG-NCE4_1)
d(NIORD-NCE4_1)
FSMC_NREG
FSMC_NIOWR
FSMC_NIORD
t
t
t
d(NCE4_1-NWE)
w(NWE)
d(NWE-NCE4_1)
FSMC_NWE
FSMC_NOE
MEMxHIZ =1
t
d(D-NWE)
t
t
v(NWE-D)
h(NWE-D)
FSMC_D[15:0]
ai14896b
148/185
DocID022152 Rev 4
STMICROELECTRONICS [ ST ]
