Quad Serial Peripheral Interface (QuadSPI)
MPC5606S Microcontroller Reference Manual, Rev. 7
1000
Freescale Semiconductor
NOTE
When using single/dual SPI commands, the HOLD(IO3) and WP(IO2) pins
are driven with high impedance. Some external memories, depending on
their input characteristics, require their HOLD and WP pins to be driven
high. The use of pullup resistors on these pins will ensure the correct value
during single/dual instructions.
30.3.2
Detailed Signal Description
The following paragraphs describe the function of the signals given in
in more detail. Only the
modes relevant to the specific signal are mentioned according to
30.3.2.1
PCS_C0 — Peripheral Chip Select/Slave Select
In SPI Master mode, the PCS0 signal is a Peripheral Chip Select output that selects which slave device the
current transmission is intended for.
In SPI Slave mode, the SS signal is a Slave Select input signal that allows a SPI master to select the
QuadSPI as the target for transmission.
In Serial Flash mode this signal is the chip select for the serial flash device.
30.3.2.2
PCS[3:1] — Peripheral Chip Selects 1–3
PCS[3:1] are Peripheral Chip Select output signals in SPI Master mode.
30.3.2.3
PCS4 — Peripheral Chip Select 4
In SPI Master mode, PCS4 is a Peripheral Chip Select output signal.
30.3.2.4
PCS[7:5] — Peripheral Chip Selects 5–7
PCS[7:5] are Peripheral Chip Select output signals in SPI Master mode.
30.3.2.5
SI_IO0 — Serial Input, QuadSPI Data IO_0
SI is a serial data input signal in the SPI Master and SPI Slave mode.
In the Serial Flash mode it is used as I/O bit 0.
30.3.2.6
SO_IO1 — Serial Output, QuadSPI Data IO_1
SO is a serial data output signal in the SPI Master and SPI Slave mode. Note that the output buffer enable
signal belonging to the SO output is driven by the Slave Select input signal SS to allow for several slaves
1
When connecting to an external SPI device, these definitions should be used as reference.
2
When connection to a Quad Serial Flash, these definitions should be used as reference.
Содержание MPC5602S
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Страница 82: ...Memory Map MPC5606S Microcontroller Reference Manual Rev 7 80 Freescale Semiconductor...
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Страница 669: ...Flash Memory MPC5606S Microcontroller Reference Manual Rev 7 Freescale Semiconductor 667...
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Страница 956: ...Mode Entry Module MC_ME MPC5606S Microcontroller Reference Manual Rev 7 954 Freescale Semiconductor...
Страница 1072: ...Quad Serial Peripheral Interface QuadSPI MPC5606S Microcontroller Reference Manual Rev 7 1070 Freescale Semiconductor...
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Страница 1213: ...System Integration Unit Lite SIUL MPC5606S Microcontroller Reference Manual Rev 7 Freescale Semiconductor 1211...
Страница 1214: ...System Integration Unit Lite SIUL MPC5606S Microcontroller Reference Manual Rev 7 1212 Freescale Semiconductor...
Страница 1238: ...Voltage Regulators and Power Supplies MPC5606S Microcontroller Reference Manual Rev 7 1236 Freescale Semiconductor...
Страница 1252: ...Wakeup Unit WKPU MPC5606S Microcontroller Reference Manual Rev 7 1250 Freescale Semiconductor...
Страница 1258: ...Registers Under Protection MPC5606S Microcontroller Reference Manual Rev 7 1256 Freescale Semiconductor...
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