AT90PWM81-16MF Atmel, AT90PWM81-16MF Datasheet - Page 180

• Manufacturer Part Number: AT90PWM81-16MF
• Description: IC MCU AVR 8K FLASH ISP 32QFN
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM81-16MF

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI
• Peripherals: Brown-out Detect/Reset, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 32-MLF®, QFN
• For Use With: ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14. Serial Peripheral Interface – SPI:
14.1
14.2
180
Features
Overview
AT90PWM81
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
AT90PWM81 and peripheral devices or between several AVR devices.
The AT90PWM81 SPI includes the following features
Figure 14-1.
Note:
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
SPI Block Diagram
DIVIDER
clk
Figure 2-1 on page
IO
(1)
3, and
Table 9-3 on page 73
for SPI pin placement.
7734P–AVR–08/10
MISO
MOSI
SCK
SS