ATMEGA64RZAV-10MU Atmel, ATMEGA64RZAV-10MU Datasheet - Page 175
![MCU ATMEGA644/AT86RF230 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA64RZAV-10MU
Manufacturer Part Number
ATMEGA64RZAV-10MU
Description
MCU ATMEGA644/AT86RF230 44-QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA644-20MU.pdf
(23 pages)
2.ATMEGA644-20MU.pdf
(376 pages)
3.AT86RF230-ZU.pdf
(98 pages)
Specifications of ATMEGA64RZAV-10MU
Frequency
2.4GHz
Modulation Or Protocol
802.15.4 Zigbee
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Data Interface
PCB, Surface Mount
Memory Size
64kB Flash, 2kB EEPROM, 4kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
44-VFQFN Exposed Pad
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFP770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Applications
-
Data Rate - Maximum
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega64
- Current page: 175 of 376
- Download datasheet (8Mb)
2593N–AVR–07/10
Note:
The receive function example reads all the I/O Registers into the Register File before any com-
putation is done. This gives an optimal receive buffer utilization since the buffer location read will
be free to accept new data as early as possible.
Assembly Code Example
C Code Example
USART_Receive:
USART_ReceiveNoError:
unsigned int USART_Receive( void )
{
}
; Wait for data to be received
sbis UCSRnA, RXCn
rjmp USART_Receive
; Get status and 9th bit, then data from buffer
in
in
in
; If error, return -1
andi r18,(1<<FEn)|(1<<DORn)|(1<<UPEn)
breq USART_ReceiveNoError
ldi
ldi
; Filter the 9th bit, then return
lsr
andi r17, 0x01
ret
unsigned char status, resh, resl;
/* Wait for data to be received */
while ( !(UCSRnA & (1<<RXCn)) )
/* Get status and 9th bit, then data */
/* from buffer */
status = UCSRnA;
resh = UCSRnB;
resl = UDRn;
/* If error, return -1 */
if ( status & (1<<FEn)|(1<<DORn)|(1<<UPEn) )
/* Filter the 9th bit, then return */
resh = (resh >> 1) & 0x01;
return ((resh << 8) | resl);
1. See “About Code Examples” on page 8.
return -1;
r18, UCSRnA
r17, UCSRnB
r16, UDRn
r17, HIGH(-1)
r16, LOW(-1)
r17
;
(1)
(1)
ATmega644
175
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