ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 93
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: 93 of 555
- Download datasheet (6Mb)
9.8.8 Security Module (AES)
9.8.8.1 Overview
9.8.8.2 Security Module Preparation
8266B-MCU Wireless-03/11
Protection prevents that a new valid frame passes to the Frame Buffer until the buffer
protection bit is cleared (RX_SAFE_MODE = 0).
A received frame is automatically protected against overwriting:
• in Basic Operating Mode, if its FCS is valid
• in Extended Operating Mode, if an TRX24_RX_END interrupt is generated
The Dynamic Frame Buffer Protection is enabled, if register bit RX_SAFE_MODE
(register TRX_CTRL_2, see
113) is set and the radio transceiver state is RX_ON or RX_AACK_ON.
Note that Dynamic Frame Buffer Protection only prevents write accesses from the air
interface not from the application software. The application software may still modify the
Frame Buffer content.
The security module (AES) is characterized by:
• Hardware accelerated encryption and decryption;
• Compatible with AES-128 standard (128 bit key and data block size);
• ECB (encryption/decryption) mode and CBC (encryption) mode support;
• Stand-alone operation, independent of other blocks;
• Uses 16MHz crystal clock of the transceiver;
The security module is based on an AES-128 core according to the FIPS197 standard
[5]. and provides two modes, the Electronic Code Book (ECB) and the Cipher Block
Chaining (CBC). The security module works independent of other building blocks of the
radio transceiver. Encryption and decryption can be performed in parallel to a frame
transmission or reception.
During radio transceiver SLEEP the registers of the security engine (AES) are cleared
(see section
The ECB and CBC modules including the AES core are clocked with the 16 MHz Radio
Transceiver Crystal Oscillator.
Controlling the security block is possible over 5 Registers within AVR I/O space:
Table 9-24. Security Module Address Space Overview
The use of the security module requires a configuration of the security engine before
starting a security operation. The following steps are required:
Register Name
AES_STATUS
AES_CTRL
AES_KEY
AES_STATE
"SLEEP – Sleep State" on page
Description
AES status register
AES control register
Access to 16 Byte key buffer
Access to 16 Byte data buffer
"TRX_CTRL_2 – Transceiver Control Register 2" on page
37).
ATmega128RFA1
93
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