PXD20RM Datasheet, PDF (1252/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

35.6.2.1.2 IP Commands - Error Situations
Refer to Table 35-35 below.
35.6.2.2 AHB Commands
Refer to Section 35.5.3.3.1, Reading Serial Flash Data into the QuadSPI Module, for additional details not
explicitly covered in this paragraph.
35.6.2.2.1 AHB Commands - Normal Operation
Memory mapped read access to a serial flash address not covered in the AHB Buffer triggers the execution
of an AHB Command. Given that this is a legal command the QSPI_SFMSR[AHBACC] and the
QSPI_SFMSR[BUSY] bits are asserted simultaneously immediately after the execution is started.
When the instruction on the serial flash device has been finished these bits are de-asserted.
35.6.2.2.2 IP Commands - Error Situations
Refer to Table 35-35 below.
35.6.2.3 Overview of error flags
Table 35-35 below gives an overview of the different error flags in the QSPI_SFMFR register and
additional error-related details.
35-42
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor