ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 340
ATMEGA128RFA1-ZU
Manufacturer Part Number
ATMEGA128RFA1-ZU
Description
IC AVR MCU 2.4GHZ XCEIVER 64QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA128-16AU.pdf
(385 pages)
2.ATAVR128RFA1-EK1.pdf
(13 pages)
3.ATAVR128RFA1-EK1.pdf
(555 pages)
4.ATMEGA128RFA1-ZU.pdf
(524 pages)
Specifications of ATMEGA128RFA1-ZU
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee
Applications
General Purpose
Power - Output
3.5dBm
Sensitivity
-100dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
12.5mA
Current - Transmitting
14.5mA
Data Interface
PCB, Surface Mount
Memory Size
128kB Flash, 4kB EEPROM, 16kB RAM
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN, Exposed Pad
Rf Ic Case Style
QFN
No. Of Pins
64
Supply Voltage Range
1.8V To 3.6V
Operating Temperature Range
-40°C To +85°C
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
16 KB
Interface Type
JTAG
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
38
Number Of Timers
6
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVR128RFA1-EK1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA128RFA1-ZU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA128RFA1-ZUR
Manufacturer:
ON
Quantity:
56 000
- ATMEGA128-16AU PDF datasheet
- ATAVR128RFA1-EK1 PDF datasheet #2
- ATAVR128RFA1-EK1 PDF datasheet #3
- ATMEGA128RFA1-ZU PDF datasheet #4
- Current page: 340 of 555
- Download datasheet (6Mb)
23 USART
23.1 Features
23.2 Overview
340
ATmega128RFA1
• Full duplex operation (independent serial receive and transmit registers)
• Asynchronous or synchronous operation
• Master or slave clocked synchronous operation
• High resolution baud rate generator
• Supports serial frames with 5, 6, 7, 8, or 9 data bits and 1 or 2 stop bits
• Odd or even parity generation and parity check supported by hardware
• Data overrun detection
• Framing error detection
• Noise filtering includes false start bit detection and digital low pass filter
• 3 separate interrupts on TX complete, TX data register empty and RX complete
• Multi-processor communication mode
• Double speed, asynchronous communication mode
The Universal Synchronous and Asynchronous Serial Receiver and Transmitter
(USART) is a highly flexible serial communication device.
The ATmega128RFA1 has two USART’s, USART0 and USART1. The functionality for
all two USART’s is described below. USART0 and USART1 have different I/O registers
as shown in
A simplified block diagram of the USART transmitter is shown in
341 on page 341. CPU accessible I/O registers and I/O pins are shown in bold.
The Power Reduction USART0 bit, PRUSART0, in
Register0" on page 168
Reduction USART1 bit, PRUSART1, in
169
The dashed boxes in the block diagram
main parts of the USART (listed from the top): clock generator, transmitter and receiver.
Control registers are shared by all units. The clock generation logic consists of
synchronization logic for external clock input used by synchronous slave operation, and
the baud rate generator. The XCKn (transfer clock) pin is only used by synchronous
transfer mode. The transmitter consists of a single write buffer, a serial shift register,
Parity generator and control logic for handling different serial frame formats. The write
buffer allows a continuous transfer of data without any delay between frames. The
receiver is the most complex part of the USART module due to its clock and data
recovery units. The recovery units are used for asynchronous data reception. In
addition to the recovery units, the receiver includes a parity checker, control logic, a
shift register and a two level receive buffer (UDRn). The receiver supports the same
frame formats as the transmitter, and can detect frame, data overrun and parity errors.
must be disabled by writing a logical zero to it.
"Register Summary" on page
must be disabled by writing a logical zero to it. The Power
"PRR1 – Power Reduction Register 1" on page
Figure 23-1 on
498.
"PRR0 – Power Reduction
page 341 separate the three
Figure 23-1 on
8266B-MCU Wireless-03/11
page
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