MEGA128CAN Datasheet, PDF (164/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

When the SPI is enabled, the data direction of the MOSI, MISO, SCK, and SS pins is
overridden according to Table 71. For more details on automatic port overrides, refer to
“Alternate Port Functions” on page 67.
Table 71. SPI Pin Overrides⁽¹⁾
Pin
Direction, Master SPI
Direction, Slave SPI
MOSI
User Defined
Input
MISO
Input
User Defined
SCK
User Defined
Input
SS
User Defined
Input
Note: 1. See “Alternate Functions of Port B” on page 71 for a detailed description of how to
define the direction of the user defined SPI pins.
164 AT90CAN128
4250E–CAN–12/04