ATMEGA128RZAV-8AU Atmel, ATMEGA128RZAV-8AU Datasheet - Page 39
ATMEGA128RZAV-8AU
Manufacturer Part Number
ATMEGA128RZAV-8AU
Description
MCU ATMEGA1281/AT86RF230 64-TQFP
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 ATMEGA128RZAV-8AU
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee
Applications
General Purpose
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Data Interface
PCB, Surface Mount
Memory Size
128kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-TQFP
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
Operating Temperature Range
- 40 C to + 85 C
For Use With
770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK501 - ADAPTER KIT FOR 64PIN AVR MCUATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega128
- Current page: 39 of 444
- Download datasheet (10Mb)
2549M–AVR–09/10
• Bit 7– XMBK: External Memory Bus-keeper Enable
Writing XMBK to one enables the bus keeper on the AD7:0 lines. When the bus keeper is
enabled, AD7:0 will keep the last driven value on the lines even if the XMEM interface has tri-
stated the lines. Writing XMBK to zero disables the bus keeper. XMBK is not qualified with SRE,
so even if the XMEM interface is disabled, the bus keepers are still activated as long as XMBK is
one.
• Bit 6:3 – Res: Reserved Bits
These bits are reserved and will always read as zero. When writing to this address location,
write these bits to zero for compatibility with future devices.
• Bit 2:0 – XMM2, XMM1, XMM0: External Memory High Mask
When the External Memory is enabled, all Port C pins are default used for the high address byte.
If the full 60 Kbytes address space is not required to access the External Memory, some, or all,
Port C pins can be released for normal Port Pin function as described in
in
XMMn bits to access all 64 Kbytes locations of the External Memory.
Table 8-4.
XMM2
“Using all 64 Kbytes Locations of External Memory” on page
0
0
0
0
1
1
1
1
XMM1
0
0
1
1
0
0
1
1
Port C Pins Released as Normal Port Pins when the External Memory is Enabled
XMM0
0
1
0
1
0
1
0
1
# Bits for External Memory Address
ATmega640/1280/1281/2560/2561
8 (Full 56 Kbytes space)
No Address high bits
7
6
5
4
3
2
33, it is possible to use the
Released Port Pins
Table
PC7 - PC6
PC7 - PC5
PC7 - PC4
PC7 - PC3
PC7 - PC2
Full Port C
8-4. As described
None
PC7
39
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