ST STM32L4+ Series Reference Manual page 605

RM0432
Figure 86. OCTOSPIM block diagram for SMT32L4P5xx and STM32L4Q5xx
OCTOSPI1
OCTOSPI2
1. The number of ports (n) is 2.
Figure 87. OCTOSPIM block diagram for SMT32L4Rxxx and STM32L4Sxxx
OCTOSPI
Kernel
clock
1. The number of ports (n) is 2.
AHB
AHB
interface
OCTOSPI1
sig.
ACK1
REQ1
Muxer
REQ2
ACK2
OCTOSPI2
sig.
AHB
OCTOSPI1
sig.
OCTOSPI1
OCTOSPI2
OCTOSPI2
sig.
RM0432 Rev 6
OCTOSPI I/O manager (OCTOSPIM)
OCTOSPI I/O manager
CR
P1CR
MUXEN
I/O Matrix
OCTOSPI I/O manager
AHB
interface P1CR
I/O Matrix
PnCR
OCTOSPIM_P1_CLK
OCTOSPIM_P1_NCLK
OCTOSPIM_P1_DQS
OCTOSPIM_P1_NCS
OCTOSPIM_P1_IO[7:0]
OCTOSPIM_Pn_CLK
OCTOSPIM_Pn_NCLK
OCTOSPIM_Pn_DQS
OCTOSPIM_Pn_NCS
OCTOSPIM_Pn_IO[7:0]
PnCR
OCTOSPIM_P1_CLK
OCTOSPIM_P1_NCLK
OCTOSPIM_P1_DQS
OCTOSPIM_P1_NCS
OCTOSPIM_P1_IO[7:0]
OCTOSPIM_Pn_CLK
OCTOSPIM_Pn_NCLK
OCTOSPIM_Pn_DQS
OCTOSPIM_Pn_NCS
OCTOSPIM_Pn_IO[7:0]
MS42409V4
MS42422V3
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