ATMEGA164A-CU Atmel, ATMEGA164A-CU Datasheet - Page 162
![IC MCU AVR 16K 20MHZ 49VFBGA](/photos/12/32/123215/49c2-vfbga_sml.jpg)
ATMEGA164A-CU
Manufacturer Part Number
ATMEGA164A-CU
Description
IC MCU AVR 16K 20MHZ 49VFBGA
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA164A-CU
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
32
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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
49-VFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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Price
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17. SPI – Serial Peripheral Interface
17.1
17.2
8272A–AVR–01/10
Features
Overview
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P and peripheral devices or between
several AVR devices.
USART can also be used in Master SPI mode, see
The Power Reduction SPI bit, PRSPI, in
50 must be written to zero to enable SPI module.
164A/164PA/324A/324PA/644A/644PA/1284/1284P
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
”PRR – Power Reduction Register” on page 49
”USART in SPI Mode” on page
199.
on page
162
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