Difference: MicroSdBlocks (90 vs. 91)

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There is no serial NOR flash on board, but there is an QSPI interface on connector CN10.

It is easy to connect a MIKROE-4067 with a W25Q128JV (128M-bit) NOR flash memory on it. See also W25Q128JVPIQ.

There are 4,096 erasable 4 KiB sectors. That means 16 MiB are available for the volume.

Name	Port	Nucleo	MIKROE-4067
QS_CS	PG6	CN10.13	CS
QS_CLK	PB2	CN10.15	CLK
QS_D3	PD13	CN10.19	IO3
QS_D1	PD12	CN10.21	MISO
QS_D0	PD11	CN10.23	MOSI
QS_D2	PE2	CN10.25	IO2
GND		CN10.27	GND
+3.3V		CN8.7	+3.3V

SD Drive

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microSD socket

SDIO Interface

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SDIO Interface is well supported by the STM32H74x, there is no need to use the slower SPI.

SD pin	microSD pin	Name SPI	Name SDMMC	Description	Nucleo Pin CN8
1	2	nCS	SDIO_D3	Card Select [CS]	8
2	3	DI	SDIO_CMD	Serial Data In [MOSI]	12
3	-	VSS	GND	Ground	11
4	4	VDD	VDD	Power 3.3 V	7
5	5	CLK	SDIO_CLK	Serial Clock [SCLK]	10
6	6	VSS	GND	Ground	11
7	7	DO	SDIO_D0	Serial Data Out [MISO]	2
8	8	NC	SDIO_D1		4
9	1	NC	SDIO_D2		6

JTAG Pin	JTAG STM 14pin	CN1 Dongle	CN2 Dongle	Description