58.4 Signal Description

Table 58-1. Signal Description
Pin Name Pin Description Type
QSCK Serial clock Output
MOSI (QIO0)(3)(4) Data output (data input/output 0) Output (input/output)
MISO (QIO1)(3)(4) Data input (data input/output 1) Input (input/output)
QIO2(5) Data input/output 2 Input/output
QIO3(5) Data input/output 3 Input/output
QIO4(6) Data input/output 4 Input/output
QIO5(6) Data input/output 5 Input/output
QIO6(6) Data input/output 6 Input/output
QIO7(6) Data input/output 7 Input/output
QCS Peripheral chip select Output
QINT Interrupt input Input
QDQS(7) Data strobe Input
Note:
  1. MOSI and MISO are used for single-bit SPI operation.
  2. QIO0–QIO1 are used for Dual SPI operation.
  3. QIO0–QIO3 are used for Quad SPI operation.
  4. QIO4–QIO7 are used for Octal SPI operation.
  5. DQS is supplied by most Octal SPI memories.