Mikroelektronika MikroE Development Kits MIKROE-1104 Data Sheet
Product codes
MIKROE-1104
Electrical characteristics
STM32F20xxx
144/178
DocID15818 Rev 11
Figure 69. PC Card/CompactFlash controller waveforms for I/O space write access
td(NCE4_1-NIOWR)
tw(NIOWR)
tv(NCEx-A)
th(NCE4_1-AI)
th(NIOWR-D)
ATTxHIZ =1
tv(NIOWR-D)
ai14900c
FSMC_NWE
FSMC_NOE
FSMC_D[15:0]
FSMC_A[10:0]
FSMC_NCE4_2
FSMC_NCE4_1
FSMC_NREG
FSMC_NIOWR
FSMC_NIORD
Table 80. Switching characteristics for PC Card/CF read and write cycles in
attribute/common space
(1)(2)
Symbol
Parameter
Min
Max
Unit
t
v(NCEx-A)
FSMC_Ncex low to FSMC_Ay valid
-
0
ns
t
h(NCEx_AI)
FSMC_NCEx high to FSMC_Ax invalid
4
-
ns
t
d(NREG-NCEx)
FSMC_NCEx low to FSMC_NREG valid
-
3.5
ns
t
h(NCEx-NREG)
FSMC_NCEx high to FSMC_NREG invalid
T
HCLK
+ 4
-
ns
t
d(NCEx-NWE)
FSMC_NCEx low to FSMC_NWE low
-
5T
HCLK
+ 1
ns
t
d(NCEx-NOE)
FSMC_NCEx low to FSMC_NOE low
-
5T
HCLK
ns
t
w(NOE)
FSMC_NOE low width
8T
HCLK
– 0.5
8T
HCLK
+ 1
ns
t
d(NOE_NCEx)
FSMC_NOE high to FSMC_NCEx high
5T
HCLK
+ 2.5
-
ns
t
su (D-NOE)
FSMC_D[15:0] valid data before FSMC_NOE high
4
-
ns
t
h (N0E-D)
FSMC_N0E high to FSMC_D[15:0] invalid
2
-
ns
t
w(NWE)
FSMC_NWE
low
width
8T
HCLK
- 1
8T
HCLK
+ 4
ns
t
d(NWE_NCEx
) FSMC_NWE high to FSMC_NCEx high
5T
HCLK
+ 1.5
ns
t
d(NCEx-NWE)
FSMC_NCEx low to FSMC_NWE low
-
5HCLK+ 1
ns
t
v (NWE-D)
FSMC_NWE low to FSMC_D[15:0] valid
-
0
ns
t
h (NWE-D)
FSMC_NWE high to FSMC_D[15:0] invalid
8 T
HCLK
-
ns
t
d (D-NWE)
FSMC_D[15:0] valid before FSMC_NWE high
13T
HCLK
-
ns
1. C
L
= 30 pF.
2. Based on characterization, not tested in production.