ATMEGA88-20MJ Atmel, ATMEGA88-20MJ Datasheet - Page 160
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATMEGA88-20MJ
Manufacturer Part Number
ATMEGA88-20MJ
Description
IC MCU AVR 8K 5V 20MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA88-20MJ
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA88-24MJ
ATMEGA88-24MJ
ATMEGA88-24MJ
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18. SPI – Serial Peripheral Interface
18.1
18.2
160
Features
Overview
ATmega48/88/168
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega48/88/168 and peripheral devices or between several AVR devices.
The USART can also be used in Master SPI mode, see “USART in SPI Mode” on page 198. The
PRSPI bit in
module.
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
“Minimizing Power Consumption” on page 40
must be written to zero to enable SPI
2545S–AVR–07/10
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