PXD20RM Datasheet, PDF (1269/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Table 35-49. ICO Field on Macronix Devices - All Flash Access Modes
Instruction
QSPI_ICR[ICO]
Code
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
90h
Size
9Fh
Size
ABh
read¹
07h
Size
2Bh
Size
2Fh
Size
38h
Size (bytes to be written)
3Ch
Size
5Ah
Size
ADh
Size
1 _{‘read’ bit controls if up to 80 clocks are added to read the electronic signature, equivalent to Size = 10 (10bytes to read). In}
any case 24 dummy bits are transmitted after the instruction code to allow reading.
Table 35-50. ICO Field on Macronix Devices - Individual Flash Mode
Instruction
QSPI_ICR[ICO]
Code
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
03h
Size (bytes to be read)
0Bh
Size (bytes to be read)
3Bh
Size (bytes to be read)
BBh
Size (bytes to be read)
6Bh
Size (bytes to be read)
EBh
Size (bytes to be read)
M7 - M0
M7 - M0
Since both serial flash devices are treated logically as one single device doubled in size, the amount of data
that must be read from each single flash device is half the amount of data specified in the QSPI_ICR[ICO]
field.
Table 35-51. ICO Field on Macronix Devices - Parallel Flash Mode
Instruction
QSPI_ICR[ICO]
Code
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
03h
Size (bytes to be read)
0Bh
Size (bytes to be read)
3Bh
Size (bytes to be read)
Freescale Semiconductor
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
35-59