ATMEGA256RZAV-8MU Atmel, ATMEGA256RZAV-8MU Datasheet - Page 195
![MCU ATMEGA2561/AT86RF230 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA256RZAV-8MU
Manufacturer Part Number
ATMEGA256RZAV-8MU
Description
MCU ATMEGA2561/AT86RF230 64-QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA640V-8CU.pdf
(38 pages)
2.ATMEGA640V-8CU.pdf
(444 pages)
3.AT86RF230-ZU.pdf
(98 pages)
Specifications of ATMEGA256RZAV-8MU
Frequency
2.4GHz
Modulation Or Protocol
802.15.4 Zigbee
Applications
ISM, ZigBee™
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
15.5mA
Current - Transmitting
16.5mA
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-QFN
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Data Rate - Maximum
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega256
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA256RZAV-8MU
Manufacturer:
Atmel
Quantity:
135
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20. SPI – Serial Peripheral Interface
2549M–AVR–09/10
The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega640/1280/1281/2560/2561 and peripheral devices or between several AVR devices.
The ATmega640/1280/1281/2560/2561 SPI includes the following features:
•
•
•
•
•
•
•
•
USART can also be used in Master SPI mode, see
The Power Reduction SPI bit, PRSPI, in
page 50 must be written to zero to enable SPI module.
Figure 20-1. SPI Block Diagram
Note:
The interconnection between Master and Slave CPUs with SPI is shown in
196. The system consists of two shift Registers, and a Master clock generator. The SPI Master
initiates the communication cycle when pulling low the Slave Select SS pin of the desired Slave.
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
DIVIDER
Figure 1-1 on page
ATmega640/1280/1281/2560/2561
(1)
2, and
“PRR0 – Power Reduction Register 0” on page 56
Table 12-6 on page 79
“USART in SPI Mode” on page
for SPI pin placement.
Figure 20-2 on page
232.
195
on
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