AT90PWM216-16SE ATMEL [ATMEL Corporation], AT90PWM216-16SE Datasheet - Page 175
AT90PWM216-16SE
Manufacturer Part Number
AT90PWM216-16SE
Description
8-bit Microcontroller with 16K Bytes In-System Programmable flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT90PWM216-16SE.pdf
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17. Serial Peripheral Interface – SPI
17.1
7710D–AVR–08/09
Features
The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
AT90PWM216/316 and peripheral devices or between several AVR devices.
The AT90PWM216/316 SPI includes the following features:
•
•
•
•
•
•
•
•
Figure 17-1. SPI Block Diagram
Note:
The interconnection between Master and Slave CPUs with SPI is shown in
tem consists of two shift Registers, and a Master clock generator. The SPI Master initiates the
communication cycle when pulling low the Slave Select SS pin of the desired Slave. Master and
Full-duplex, Three-wire Synchronous Data Transfer
Master or Slave Operation
LSB First or MSB First Data Transfer
Seven Programmable Bit Rates
End of Transmission Interrupt Flag
Write Collision Flag Protection
Wake-up from Idle Mode
Double Speed (CK/2) Master SPI Mode
1. Refer to
/2/4/8/16/32/64/128
DIVIDER
clk
Figure 3-1 on page
IO
(1)
3, and
Table 11-3 on page 67
AT90PWM216/316
for SPI pin placement.
Figure
17-2. The sys-
SPIPS
SS_A
MISO
MISO
_A
MOSI
MOSI
_A
SCK
_A
175
SCK
SS
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