ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 24
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: 24 of 524
- Download datasheet (5Mb)
8.4.4 EECR – EEPROM Control Register
24
ATmega128RFA1
• Bit 7:6 – Res1:0 - Reserved
• Bit 5:4 – EEPM1:0 - EEPROM Programming Mode
The EEPROM Programming mode bit setting defines which programming action will be
triggered when writing EEPE. It is possible to program data in one atomic operation
(erase the old value and program the new value) or to split the Erase and Write
operations in two different operations. The Programming times for the different modes
are shown in the following table. While EEPE is set, any write to EEPM1:0 will be
ignored. During reset, the EEPM1:0 bits will be reset to 0 unless the EEPROM is busy
programming.
Table 8-4 EEPM Register Bits
• Bit 3 – EERIE - EEPROM Ready Interrupt Enable
Writing EERIE to one enables the EEPROM Ready Interrupt if the I bit in SREG is set.
Writing EERIE to zero disables the interrupt. The EEPROM Ready interrupt generates a
constant interrupt when EEPE is cleared.
• Bit 2 – EEMPE - EEPROM Master Write Enable
The EEMPE bit determines whether setting EEPE to one causes the EEPROM to be
written. When EEMPE is set, setting EEPE within four clock cycles will write data to the
EEPROM at the selected address If EEMPE is zero, setting EEPE will have no effect.
When EEMPE has been written to one by software, hardware clears the bit to zero after
four clock cycles. See the description of the EEPE bit for an EEPROM write procedure.
• Bit 1 – EEPE - EEPROM Programming Enable
The EEPROM Write Enable Signal EEPE is the write strobe to the EEPROM. When
address and data are correctly set up, the EEPE bit must be written to one to write the
value into the EEPROM. The EEMPE bit must be written to one before a logical one is
written to EEPE, otherwise no EEPROM write takes place. The following procedure
should be adopted when writing the EEPROM (the order of steps 3 and 4 is not
essential):
1. Wait until EEPE becomes zero.
2. Wait until SPMEN in SPMCSR becomes zero.
3. Write new EEPROM address to EEAR (optional).
4. Write new EEPROM data to EEDR (optional).
5. Write a logical one to the EEMPE bit while writing a zero to EEPE in EECR.
6. Within four clock cycles after setting EEMPE, write a logical one to EEPE.
Bit
$1F ($3F)
Read/Write
Initial Value
Register Bits
EEPM1:0
Res1
R
7
0
Res0
R
6
0
EEPM1
RW
5
X
Value
0x00
0x01
0x02
0x03
EEPM0
RW
X
4
Description
Erase and Write in one operation (Atomic
Operation)
Erase only
Write only
Reserved for future use
EERIE
RW
3
0
EEMPE
RW
2
0
EEPE
RW
X
1
8266A-MCU Wireless-12/09
EERE
RW
0
0
EECR
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