ATMEGA256RZAV-8MU Atmel, ATMEGA256RZAV-8MU Datasheet - Page 357
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
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Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA256RZAV-8MU
Manufacturer:
Atmel
Quantity:
135
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29.9.8
29.9.9
29.9.10
2549M–AVR–09/10
Reset Register
Programming Enable Register
Programming Command Register
The Reset Register is a Test Data Register used to reset the part during programming. It is
required to reset the part before entering Programming mode.
A high value in the Reset Register corresponds to pulling the external reset low. The part is reset
as long as there is a high value present in the Reset Register. Depending on the Fuse settings
for the clock options, the part will remain reset for a Reset Time-out period (refer to
Sources” on page
not latched, so the reset will take place immediately, as shown in
The Programming Enable Register is a 16-bit register. The contents of this register is compared
to the programming enable signature, binary code 0b1010_0011_0111_0000. When the con-
tents of the register is equal to the programming enable signature, programming via the JTAG
port is enabled. The register is reset to 0 on Power-on Reset, and should always be reset when
leaving Programming mode.
Figure 29-14. Programming Enable Register
The Programming Command Register is a 15-bit register. This register is used to serially shift in
programming commands, and to serially shift out the result of the previous command, if any. The
JTAG Programming Instruction Set is shown in
when shifting in the programming commands is illustrated in
TDO
TDI
D
A
T
A
41) after releasing the Reset Register. The output from this Data Register is
0xA370
ATmega640/1280/1281/2560/2561
=
ClockDR & PROG_ENABLE
Table 29-18 on page
D
Q
Figure 29-16 on page
Programming Enable
Figure 27-2 on page
359. The state sequence
362.
304.
“Clock
357
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