AT90PWM2B-16SU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT90PWM2B-16SU

8-bit Atmel Microcontroller with 8K Bytes In-System Programmable Flash

Atmel Corporation 

AT90PWM2/3/2B/3B

Table 17-1. 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 69 for a detailed description of how to define the

direction of the user defined SPI pins.

The following code examples show how to initialize the SPI as a Master and how to perform a

simple transmission.

DDR_SPI in the examples must be replaced by the actual Data Direction Register controlling the

SPI pins. DD_MOSI, DD_MISO and DD_SCK must be replaced by the actual data direction bits

for these pins. E.g. if MOSI is placed on pin PB2, replace DD_MOSI with DDB2 and DDR_SPI

with DDRB.

4317K–AVR–03/2013

177

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