ATTINY20-CCUR Atmel, ATTINY20-CCUR Datasheet - Page 129
ATTINY20-CCUR
Manufacturer Part Number
ATTINY20-CCUR
Description
MCU AVR 2KB FLASH 12MHZ 15UFBGA
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-CCUR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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16. SPI – Serial Peripheral Interface
16.1
16.2
8235B–AVR–04/11
Features
Overview
•
•
•
•
•
•
•
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATtiny20 and peripheral devices or between several AVR devices. The SPI module is illustrated
in
Figure 16-1. SPI Block Diagram
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
Figure
Refer to
/2/4/8/16/32/64/128
16-1.
DIVIDER
CLKIO
Figure 1-1 on page
2, and
Table 16-1 on page 131
for SPI pin placement.
ATtiny20
SS
129
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