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Example 37-1. Example 1
Instruction in Single-bit SPI, without address, without option, without data.
Command: CHIP ERASE (C7h).
Write 0x0000_00C7 to INSTRCTRL register.
Write 0x0000_0010 to INSTRFRAME register.
Wait for INTFLAG.INSTREND to rise.
Figure 37-12. Instruction Transmission Waveform 1
Write INSTRFRAME
INTFLAG.INSTREND
Instruction C7h
CS
SCK
MOSI / DATA0
Example 37-2. Example 2
Instruction in Quad SPI, without address, without option, without data.
Command: POWER DOWN (B9h)
Write 0x0000_00B9 to INSTRCTRL register.
Write 0x0000_0016 to INSTRFRAME register.
Wait for INTFLAG.INSTREND to rise.
Figure 37-13. Instruction Transmission Waveform 2
Write INSTRFRAME
CS
INTFLAG.INSTREND
Instruction B9h
SCK
DATA0
DATA1
DATA2
DATA3
Example 37-3. Example 3
Instruction in Single-bit SPI, with address in Single-bit SPI, without option, without data.
Command: BLOCK ERASE (20h)
Write the address (of the block to erase) to QSPI_AR.
Write 0x0000_0020 to INSTRCTRL register.
Write 0x0000_0030 toINSTRFRAME register.
Wait for INTFLAG.INSTREND to rise.
SAM D5x/E5x Family Data Sheet
QSPI - Quad Serial Peripheral Interface
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1081