ATMEGA128RZBV-8AU Atmel, ATMEGA128RZBV-8AU Datasheet - Page 65
ATMEGA128RZBV-8AU
Manufacturer Part Number
ATMEGA128RZBV-8AU
Description
MCU ATMEGA1280/AT86RF230 100TQFP
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 ATMEGA128RZBV-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
100-TQFP
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATAVRISP2 - PROGRAMMER AVR IN 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: 65 of 444
- Download datasheet (10Mb)
2549M–AVR–09/10
Note:
The following code example shows one assembly and one C function for changing the time-out
value of the Watchdog Timer.
Assembly Code Example
C Code Example
WDT_off:
void WDT_off(void)
{
*/
}
; Turn off global interrupt
cli
; Reset Watchdog Timer
wdr
; Clear WDRF in MCUSR
in
andi
out
; Write logical one to WDCE and WDE
; Keep old prescaler setting to prevent unintentional time-out
ldi r16, WDTCSR
ori
sts WDTCSR, r16
; Turn off WDT
ldi
sts WDTCSR, r16
; Turn on global interrupt
sei
ret
__disable_interrupt();
__watchdog_reset();
/* Clear WDRF in MCUSR */
MCUSR &= ~(1<<WDRF);
/* Write logical one to WDCE and WDE */
/* Keep old prescaler setting to prevent unintentional time-out
WDTCSR |= (1<<WDCE) | (1<<WDE);
/* Turn off WDT */
WDTCSR = 0x00;
__enable_interrupt();
1. The example code assumes that the part specific header file is included.
2. If the Watchdog is accidentally enabled, for example by a runaway pointer or brown-out condi-
tion, the device will be reset and the Watchdog Timer will stay enabled. If the code is not set up
to handle the Watchdog, this might lead to an eternal loop of time-out resets. To avoid this sit-
uation, the application software should always clear the Watchdog System Reset Flag
(WDRF) and the WDE control bit in the initialisation routine, even if the Watchdog is not in use.
r16, MCUSR
r16, (0xff & (0<<WDRF))
MCUSR, r16
r16, (1<<WDCE) | (1<<WDE)
r16, (0<<WDE)
(1)
(1)
ATmega640/1280/1281/2560/2561
65
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