ST STM32F102 series

Flexible static memory controller (FSMC) RM0008
376/690
Mode A - SRAM/PSRAM (CRAM) OE toggling
Figure 161. ModeA read accesses
Table 76. FSMC_TCRx bit fields
Bit
number
Bit name Value to set
31-16 0x0000
15-8 DATAST
Duration of the second access phase (DATAST+1 HCLK cycles) for
write accesses, DATAST+3 HCLK cycles for read accesses). This
value cannot be 0 (minimum is 1)
7-4 0x0
3-0 ADDSET Duration of the first access phase (ADDSET+1 HCLK cycles).
A[25:0]
NOE
(ADDSET +1) (DATAST + 1)
Memory transaction
Data strobe
NEx
D[15:0]
HCLK cycles HCLK cycles
NWE
NBL[1:0]
data driven
by memory
ai14722c
High
2 HCLK
cycles
Data sampled