ATMEGA256RZAV-8MU Atmel, ATMEGA256RZAV-8MU Datasheet - Page 78
ATMEGA256RZAV-8MU
Manufacturer Part Number
ATMEGA256RZAV-8MU
Description
MCU ATMEGA2561/AT86RF230 64-QFN
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 ATMEGA256RZAV-8MU
Frequency
2.4GHz
Modulation Or Protocol
802.15.4 Zigbee
Applications
ISM, ZigBee™
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
15.5mA
Current - Transmitting
16.5mA
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-QFN
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Data Rate - Maximum
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega256
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA256RZAV-8MU
Manufacturer:
Atmel
Quantity:
135
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12.3.1
2549M–AVR–09/10
Alternate Functions of Port A
The Port A has an alternate function as the address low byte and data lines for the External
Memory Interface.
Table 12-3.
Table 12-4
signals shown in
Table 12-4.
Note:
DIEOE
DIEOV
Signal
PUOE
DDOE
DDOV
Name
PUOV
PVOE
PVOV
AIO
DI
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
1. ADA is short for ADdress Active and represents the time when address is output. See
and
nal Memory Interface” on page 28
~(WR | ADA
PORTA7 • PUD
OUTPUT • WR
A7 • ADA | D7
Port A Pins Alternate Functions
Overriding Signals for Alternate Functions in PA7:PA4
Table 12-5 on page 79
D7 INPUT
WR | ADA
PA7/AD7
Figure 12-5 on page
SRE
SRE
SRE
0
0
–
(1)
) •
AD7 (External memory interface address and data bit 7)
AD6 (External memory interface address and data bit 6)
AD5 (External memory interface address and data bit 5)
AD4 (External memory interface address and data bit 4)
AD3 (External memory interface address and data bit 3)
AD2 (External memory interface address and data bit 2)
AD1 (External memory interface address and data bit 1)
AD0 (External memory interface address and data bit 0)
ATmega640/1280/1281/2560/2561
PORTA6 • PUD
OUTPUT • WR
~(WR | ADA) •
A6 • ADA | D6
WR | ADA
D6 INPUT
PA6/AD6
76.
relates the alternate functions of Port A to the overriding
SRE
SRE
SRE
0
0
–
for details.
Alternate Function
PORTA5 • PUD
OUTPUT • WR
~(WR | ADA) •
A5 • ADA | D5
WR | ADA
D5 INPUT
PA5/AD5
SRE
SRE
SRE
0
0
–
PORTA4 • PUD
OUTPUT • WR
~(WR | ADA) •
A4 • ADA | D4
D4 INPUT
WR | ADA
PA4/AD4
SRE
SRE
SRE
0
0
–
“Exter-
78
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