Signal Description

Table 1. Signal Description
Pin Name Pin Description Type
QSCK Serial Clock Output
MOSI (QIO0) (1)(2) Data Output (Data Input Output 0) Output (Input/Output)
MISO (QIO1) (1)(2) Data Input (Data Input Output 1) Input (Input/Output)
QIO2 (3) Data Input Output 2 Input/Output
QIO3 (3) Data Input Output 3 Input/Output
QCS Peripheral Chip Select Output
Notes:
  1. 1.MOSI and MISO are used for single-bit SPI operation.
  2. 2.QIO0–QIO1 are used for Dual SPI operation.
  3. 3.QIO0–QIO3 are used for Quad SPI operation.