ST STM32U575I-EV, Руководство пользователя, Страница: 61 / 105

Table 46 describes the CN11 Octo
‑
SPI connector pinout
Table 46. CN11 Octo
‑
SPI connector pinout
Connector pin
number
STM32 pin Board function
1 PI5
Octo
‑
SPI chip select interface low level. mainly for Octo
‑
SPI Flash memory configuration.
This signal is connected to a 10K pull-up on board (R23).
2 VDD Power VDD
3 PB1 OCTOPSI_1 interface data0
4 VDD Power VDD
5 PB0 OCTOPSI_1 interface data1
6 PA2
Octo
‑
SPI chip elect interface low level. mainly for Octo
‑
SPI PSRAM device configuration.
This signal is connected to a 10K pull-up on board (R24).
7 PA7 OCTOPSI_1 interface data2
8 PC1 OCTOPSI_1 interface data4
9 PA6 OCTOPSI_1 interface data3
10 PC2 OCTOPSI_1 interface data5
11 PB2 OCTOPSI_1 Data strobe signal
12 PC3 OCTOPSI_1 interface data6
13 GND Power GND
14 PC0 OCTOPSI_1 interface data7
15 PB12 OCTOPSI_1_CLK_N: For a memory with differential Clock
16 NRST OCTOPSI_1 Reset function
17 PA3 OCTOPSI_1_CLK_P Clock for single or differential clock
18 GND Power GND
19 GND Power GND
20 GND Power GND
STM32U575I-EV
Octo
‑
SPI1
UM2854 - Rev 1
page 61/105