ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 365
![IC AVR MCU 2.4GHZ XCEIVER 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
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: 365 of 555
- Download datasheet (6Mb)
23.10.11 UBRR1H – USART1 Baud Rate Register High Byte
8266B-MCU Wireless-03/11
Table 23-11 USBS1 Register Bits
• Bit 2:1 – UCSZ11:10 - Character Size
The UCSZ11:0 bits combined with the UCSZ12 bit in UCSR1B sets the number of data
bits (Character Size) in the frame that the Receiver and Transmitter use.
Table 23-12 UCSZ1 Register Bits
• Bit 0 – UCPOL1 - Clock Polarity
This bit is used for synchronous mode only. Write this bit to zero when asynchronous
mode is used. The UCPOL1 bit sets the relationship between data output change and
data input sample, and the synchronous clock (XCK1).
Table 23-13 UCPOL1 Register Bits
UBRR1 is a 12-bit register which contains the USART baud rate. The UBRR1H
contains the four most significant bits, and the UBRR1L contains the eight least
significant bits of the USART baud rate. Ongoing transmissions by the Transmitter and
Receiver will be corrupted if the baud rate is changed. Writing UBRR1L will trigger an
immediate update of the baud rate prescaler.
• Bit 7:4 – Res3:0 - Reserved Bit
This bit is reserved for future use. A read access always will return zero. A write access
does not modify the content.
Bit
NA ($CD)
Read/Write
Initial Value
Register Bits
USBS1
Register Bits
UCSZ12:10
Register Bits
UCPOL1
Res3
R
7
0
Res2
R
6
0
Res1
R
5
0
Value
Value
Value
0x00
0x01
0
1
2
3
4
5
6
7
0
1
Res0
R
4
0
UBRR11 UBRR10
Description
1-bit
2-bit
Description
5-bit
6-bit
7-bit
8-bit
Reserved
Reserved
Reserved
9-bit
Description
Rising XCKn Edge (Transmitted Data
Changed), Falling XCKn Edge (Received
Data Sampled)
Falling XCKn Edge (Transmitted Data
Changed), Rising XCKn Edge (Received
Data Sampled)
RW
3
0
ATmega128RFA1
RW
2
0
UBRR9
RW
1
0
UBRR8
RW
0
0
UBRR1H
365
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