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atmega644 usart code example

Catalog Datasheet MFG & Type PDF Document Tags

ATmega644L

Abstract: Code Example in r16, SREG cli sbi EECR, EEMPE sbi EECR, EEPE out SREG, r16 ; restore SREG value (I-bit) ; store SREG value ; start EEPROM write ; disable interrupts during timed sequence C Code Example char , . Assembly Code Example sei ; set Global Interrupt Enable sleep; enter sleep, waiting for interrupt ; note: will enter sleep before any pending ; interrupt(s) C Code Example _enable_interrupt(); /* set , . 23 2593O­AVR­02/12 Assembly Code Example(1) EEPROM_write: ; Wait for completion of previous
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ATmega644L C/100
Abstract: can be used to avoid interrupts during the timed EEPROM write sequence. Assembly Code Example in r16 , ; start EEPROM write ; disable interrupts during timed sequence C Code Example char cSREG; cSREG = , following SEI will be executed before any pending interrupts, as shown in this example. Assembly Code , sleep before any pending ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt , ­AVR­04/06 Assembly Code Example() EEPROM_write: ; Wait for completion of previous write sbic EECR,EEPE Atmel
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2593F

ATmega644-20PU

Abstract: sequence. Assembly Code Example in r16, SREG cli ; store SREG value ; disable interrupts during , SREG value (I-bit) C Code Example char cSREG; cSREG = SREG; /* store SREG value */ /* disable , any pending interrupts, as shown in this example. Assembly Code Example sei ; set Global , ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt Enable */ _sleep(); /* enter , setting EEPE sbi EECR,EEPE ret C Code Example(1) void EEPROM_write(unsigned int uiAddress, unsigned
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ATmega644-20PU 2593J

TQFP44 package

Abstract: ATmega644 can be used to avoid interrupts during the timed EEPROM write sequence. Assembly Code Example in r16 , ; start EEPROM write ; disable interrupts during timed sequence C Code Example char cSREG; cSREG = , following SEI will be executed before any pending interrupts, as shown in this example. Assembly Code , sleep before any pending ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt , ­AVR­06/06 Assembly Code Example() EEPROM_write: ; Wait for completion of previous write sbic EECR,EEPE
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TQFP44 package ATmega644 2593B 2593G

atmega644 usart code example

Abstract: ATmega644-20PU sequence. Assembly Code Example in r16, SREG cli ; store SREG value ; disable interrupts during , SREG value (I-bit) C Code Example char cSREG; cSREG = SREG; /* store SREG value */ /* disable , any pending interrupts, as shown in this example. Assembly Code Example sei ; set Global , ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt Enable */ _sleep(); /* enter , finish. 23 2593N­AVR­07/10 Assembly Code Example(1) EEPROM_write: ; Wait for completion of
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atmega644 usart code example ATMEGA324 board comparator 12v 10bit

2593B

Abstract: can be used to avoid interrupts during the timed EEPROM write sequence. Assembly Code Example in r16 , ; start EEPROM write ; disable interrupts during timed sequence C Code Example char cSREG; cSREG = , following SEI will be executed before any pending interrupts, as shown in this example. Assembly Code , sleep before any pending ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt , ­AVR­01/07 Assembly Code Example() EEPROM_write: ; Wait for completion of previous write sbic EECR,EEPE
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2593K
Abstract: during the timed EEPROM write sequence. Assembly Code Example in r16, SREG cli ; store SREG value , SREG, r16 ; restore SREG value (I-bit) C Code Example char cSREG; cSREG = SREG; /* store SREG , executed before any pending interrupts, as shown in this example. Assembly Code Example sei ; set , pending ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt Enable , Assembly Code Example(1) EEPROM_write: ; Wait for completion of previous write sbic EECR,EEPE rjmp Atmel
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Abstract: can be used to avoid interrupts during the timed EEPROM write sequence. Assembly Code Example in r16 , ; start EEPROM write ; disable interrupts during timed sequence C Code Example char cSREG; cSREG = , following SEI will be executed before any pending interrupts, as shown in this example. Assembly Code , sleep before any pending ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt , ­AVR­07/06 Assembly Code Example() EEPROM_write: ; Wait for completion of previous write sbic EECR,EEPE Atmel
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2593H

ATMEGA324 board

Abstract: ATmega644-20AU sequence. Assembly Code Example in r16, SREG cli ; store SREG value ; disable interrupts during , SREG value (I-bit) C Code Example char cSREG; cSREG = SREG; /* store SREG value */ /* disable , any pending interrupts, as shown in this example. Assembly Code Example sei ; set Global , ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt Enable */ _sleep(); /* enter , setting EEPE sbi EECR,EEPE ret C Code Example(1) void EEPROM_write(unsigned int uiAddress, unsigned
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ATmega644-20AU 2593L

mega644

Abstract: atmega644 usart code example sequence. Assembly Code Example in r16, SREG cli ; store SREG value ; disable interrupts during , SREG value (I-bit) C Code Example char cSREG; cSREG = SREG; /* store SREG value */ /* disable , any pending interrupts, as shown in this example. Assembly Code Example sei ; set Global , ; interrupt(s) C Code Example _enable_interrupt(); /* set Global Interrupt Enable */ _sleep(); /* enter , any ongoing SPM command to finish. 23 2593M­AVR­08/07 Assembly Code Example(1) EEPROM_write
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mega644 162DA atmega32 BLOCK DIAGRAM DESCRIPTION 25C04

atmega644 usart code example

Abstract: ATmega644-20AU code example in "Interrupt Vectors in ATmega644" on page 57. Updated "Setting the Boot Loader Lock Bits , 2593JS­AVR­09/06 6. Ordering Information 6.1 ATmega644 Power Supply 1.8 - 5.5V Ordering Code(2 , /Erase Cycles ­ Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip , Two-wire Serial Interface ­ One Programmable Serial USART ­ Master/Slave SPI Serial Interface ­ , 1.8 - 5.5V, 0 - 10MHz @ 2.7 - 5.5V ­ ATmega644: 0 - 10MHz @ 2.7 - 5.5V, 0 - 20MHz @ 4.5 - 5.5V Power
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Crystal oscillator 12 MHz discription atmega644 pinout

ATmega644

Abstract: atmega644 pinout code example in "Interrupt Vectors in ATmega644" on page 57. Updated "Setting the Boot Loader Lock Bits , 1.8 - 5.5V Ordering Code(2) ATmega644V-10AU ATmega644V-10PU ATmega644V-10MU ATmega644-20AU ATmega644 , application code needs to read from EEPROM. 18 ATmega644 2593KS­AVR­01/07 ATmega644 9. Datasheet , page 324. 20 ATmega644 2593KS­AVR­01/07 ATmega644 14. 15. 16. 17. 18. Updated Example in , /Erase Cycles ­ Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip
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ATMEGA644V-10PU ATMEGA324 ATMEL ATMEGA644

ATmega644-20AU

Abstract: atmega644 usart code example Supply 1.8V - 5.5V Ordering Code(2) ATmega644V-10AU ATmega644V-10PU ATmega644V-10MU ATmega644 , "Internal Voltage Reference" on page 48. Updated code example in "MCUCR ­ MCU Control Register" on page 58 , example in "Interrupt Vectors in ATmega644" on page 55. Updated "Setting the Boot Loader Lock Bits by SPM , years at 25°C(2)(3) ­ Optional Boot Code Section with Independent Lock Bits In-System Programming by , 200x ­ Byte-oriented Two-wire Serial Interface ­ One Programmable Serial USART ­ Master/Slave SPI
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atmega644 usart code example interrupts Microcontroller - ATmega644 2593OS

atmega644 usart code example

Abstract: ATmega644 Table 10-1 on page 55. Updated code example in "Interrupt Vectors in ATmega644" on page 55. Updated , EEPROM(1)(3) ­ Data retention: 20 years at 85°C/100 years at 25°C(2)(3) ­ Optional Boot Code Section , Serial Interface ­ One Programmable Serial USART ­ Master/Slave SPI Serial Interface ­ Programmable , @ 1.8V - 5.5V, 0 - 10 MHz @ 2.7V - 5.5V ­ ATmega644: 0 - 10 MHz @ 2.7V - 5.5V, 0 - 20 MHz @ 4.5V - , 1.8V Notes: 8-bit Microcontroller with 64K Bytes In-System Programmable Flash ATmega644/V
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ATMEL 322 SPI flash High speed ATmega644-20MU ATmega644V-10MU 2593NS

ATmega644

Abstract: ATmega644-20PU Updated code example in "Interrupt Vectors in ATmega644" on page 55. Updated "Setting the Boot Loader , Protection Mode 3 when the application code needs to read from EEPROM. 18 ATmega644 2593MS­AVR­08/07 , "Internal Voltage Reference" on page 48. Updated code example in "MCUCR ­ MCU Control Register" on page 58 , EEPROM(1)(3) ­ Data retention: 20 years at 85°C/100 years at 25°C(2)(3) ­ Optional Boot Code Section , Serial Interface ­ One Programmable Serial USART ­ Master/Slave SPI Serial Interface ­ Programmable
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ATmega644V-10AU ATmega644 datasheet avr enhanced risc microcontroller data book

atmega644 usart code example

Abstract: ATmega644 Protection Mode 3 when the application code needs to read from EEPROM. 18 ATmega644 2593LS­AVR­02/07 , Register for ELPM/SPM from datasheet. Updated Table 10-1 on page 57. Updated code example in "Interrupt , Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles ­ Optional Boot Code Section with Independent Lock , Serial USART ­ Master/Slave SPI Serial Interface ­ Programmable Watchdog Timer with Separate On-chip , ATmega644: 0 - 10MHz @ 2.7 - 5.5V, 0 - 20MHz @ 4.5 - 5.5V Power Consumption at 1 MHz, 3V, 25°C for
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MC310 schematic

Abstract: ATSTK504 . RC WDT BOD Ana.Comp. ADC 10bit (Channels) ISP TWI (I2C) USART SPI RTC , Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 1+USART 1+USART 1+USART 1+USART 1 1 1+USART 1+USART 1+USART 1+USART 1 1 1 1 1+USART 1 1 1 1 1+USART 1+USART 1+USI 1+USI 1+USART 1+USART 1+USART 1+USART 1 1 1 1+USART 1+USART 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 , BOD Ana.Comp. ADC 10bit (Channels) ISP TWI (I2C) USART SPI RTC PWM (Channels
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MC310 schematic ATSTK504 tiny23 SOCKET TQFP100 AVR32739 AVR32743 AVR32744 AVR32747 AVR32749 AVR32752

atmega644 usart code example

Abstract: R330 Interface ­ One/Two Programmable Serial USART (ATmega644, ATmega164/324) ­ Master/Slave SPI Serial , can be used to avoid interrupts during the timed EEPROM write sequence. Assembly Code Example in , example. 15 2593A­AVR­06/05 Assembly Code Example sei ; set Global Interrupt Enable sleep , Code Example _enable_interrupt(); /* set Global Interrupt Enable */ _sleep(); /* enter sleep , finish. 22 ATmega164/324/644 2593A­AVR­06/05 ATmega164/324/644 Assembly Code Example
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R330 2593A 16/32/64K 512B/1K/2K

PIC18F87J11 sleep mode example code

Abstract: SX1211 . 13 4.2 Code structure and implementation , . 18 4.3.1 AVR ATmega644 , Master Duties The Master is the central node of the network. In the example hardware it is powered , Slave's alarm (in this example the information is sent out the UART). 2.3 Slaves Duties The Slave is battery powered and fitted with an alarm signal which can, for example, be the output of a smoke detector
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AN1211 SX1211 PIC18F87J11 sleep mode example code PIC24F128GA010 PIC24 example C30 codes PORT ATMEGA 326

ATMEGA 326

Abstract: PIC18 example codes spi master , meaning (for example) that WSN-FHSS firmware running on the AVR ATmega644 can communicate to a PIC18 or , . 13 4.2 Code structure and implementation , . 18 4.3.1 AVR ATmega644 , application overview 2.2 Master Duties The Master is the central node of the network. In the example , have lost sync. · Processing a Slave's alarm (in this example the information is sent out the
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AN1231 SX1231 PIC18 example codes spi master PIC18 example codes Spi slave PIC18 SPI SOURCE CODE PIC18 usart example codes SX1231H
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