R-IN32M4-CL3 User's Manual: Board design edition
10. Serial Flash ROM Connection Pins
R18UZ0074EJ0100
Page 45 of 61
Dec 24, 2019
10.
Serial Flash ROM Connection Pins
This LSI chip has a memory controller to connect the serial flash ROM that supports the SPI compatible interface.
R-IN32M4-CL3
Serial flash
memory
C (CLK)
D (IO0)
SMSCK (P14)
SMCSZ (P17)
/S (/CS)
SMIO0 (P15)
SMIO1 (P16)
SMIO2 (P10)
SMIO3 (P11)
Q (IO1)
/WP (IO2)
/HOLD (IO3)
Figure 10.1 Connection Example with Serial Flash ROM