ATMEGA128A-MUR Atmel, ATMEGA128A-MUR Datasheet - Page 167
![MCU AVR 128K FLASH 16MHZ 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA128A-MUR
Manufacturer Part Number
ATMEGA128A-MUR
Description
MCU AVR 128K FLASH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8151H–AVR–02/11
Table 19-1.
Note:
The following code examples show how to initialize the SPI as a Master and how to perform a
simple transmission. DDR_SPI in the examples must be replaced by the actual data direction
register controlling the SPI pins. DD_MOSI, DD_MISO and DD_SCK must be replaced by the
actual data direction bits for these pins. For example, if MOSI is placed on pin PB5, replace
DD_MOSI with DDB5 and DDR_SPI with DDRB.
MOSI
MISO
SCK
Pin
SS
1. See
direction of the user defined SPI pins.
SPI Pin Overrides
Input
User Defined
“Alternate Functions of Port B” on page 74
Direction, Master SPI
User Defined
User Defined
(1)
for a detailed description of how to define the
Direction, Slave SPI
Input
User Defined
Input
Input
ATmega128A
167
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