Datasheet

• Wait for QSPI_SR.INSTRE to rise.
Figure 42-1
1. Instruction Transmission Waveform 1
QCS
QSCK
MOSI / QIO0
Instruction C7h
Write QSPI_IFR
QSPI_SR.INSTRE
Example 2:
Instruction in Quad SPI, without address, without option, without data.
Command: POWER DOWN (B9h)
•
Write 0x0000_00B9 in QSPI_ICR.
• Write 0x0000_0016 in QSPI_IFR.
• Wait for QSPI_SR.INSTRE to rise.
Figure 42-12. Instruction Transmission Waveform 2
QCS
QSCK
QIO0
Instruction B9h
Write QSPI_IFR
QIO1
QIO2
QIO3
QSPI_SR.INSTRE
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) in QSPI_AR.
• Write 0x0000_0020 in QSPI_ICR.
• Write 0x0000_0030 in QSPI_IFR.
• Wait for QSPI_SR.INSTRE to rise.
SAM E70/S70/V70/V71 Family
Quad Serial Peripheral Interface (QSPI)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1017