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atmega2560_2561.pdf
assembly and one C function that are equal in functionality. The examples assume polling (no interrupts 237 2549I–AVR–07/06 enabled). The baud rate is given as a function parameter. For the assembly code, the baud rate parameter is assumed to be stored in the r17:r16 registers. Assembly Code Example (1) USART_Init
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ATMega164_324_644_1284pa.pdf
from a sleep mode by the TWI interrupt. In this case, the contents of TWDR is undefined. In the case 237 8272C–AVR–06/11 ATmega164A/PA/324A/PA/644A/PA/1284/P of a lost bus arbitration, no data is lost in the transition from Master to Slave. Handling of the ACK bit is controlled automatically by the TWI
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MEGA48V_88V_168V.pdf
ongoing operation. Bit 1 – Res: Reserved bit This bit is a reserved bit and will always read as zero. 237 2545T–AVR–05/11 ATmega48/88/168 Bit 0 – TWIE: TWI interrupt enable When this bit is written to one, and the I-bit in SREG is set, the TWI interrupt request will be acti- vated for as long as the TWINT
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AtMega644P_Datasheet.pdf
over the 2-wire Serial Bus. 19.9.6 TWAMR – TWI (Slave) Address Mask Register Bit 7 6 5 4 3 2 1 0 (0xBD) TWAM[6:0] – TWAMR Read/Write R/W R/W R/W R/W R/W R/W R/W R Initial Value 0 0 0 0 0 0 0 0 Bits 7:1 – TWAM: TWI Address Mask The TWAMR can be loaded with a 7-bit Slave Address mask. Each of the bits in
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Datasheet_ATmega1281_doc2549.pdf
MSPI mode is identical to normal USART operation. See “UDRn – USART I/O Data Register n” on page 223. 237 2549L–AVR–08/07 23.6.2 UCSRnA – USART MSPIM Control and Status Register n A Bit 7 6 5 4 3 2 1 0 RXCn TXCn UDREn - - - - - UCSRnA Read/Write R/W R/W R/W R R R R R Initial Value 0 0 0 0 0 1 1 0 Bit 7
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atmega644.pdf
over the 2-wire Serial Bus. 19.9.6 TWAMR – TWI (Slave) Address Mask Register Bit 7 6 5 4 3 2 1 0 (0xBD) TWAM[6:0] – TWAMR Read/Write R/W R/W R/W R/W R/W R/W R/W R Initial Value 0 0 0 0 0 0 0 0 Bits 7:1 – TWAM: TWI Address Mask The TWAMR can be loaded with a 7-bit Slave Address mask. Each of the bits in
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TC1797_UM_v1.1.pdf
] 22.5.2.1 Output Multiplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-237 [1] 22.5.2.2 LTC Input Multiplexing Scheme . . . . . . . . . . . . . . . . . . . . . . . 22-242 [1] 22.5.2.3 Multiplexer Register Array Programming . . . . . . . . . . . . . . . . 22-245 [1] 22.5.3
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ATmega1284P_128KByte.pdf
control the bit rate prescaler. 2020 Microchip Technology Inc. Data Sheet Complete DS40002070B-page 237 ATmega164A/PA/324A/PA/644A/PA/1284/P Table 21-8. TWI Bit Rate Prescaler TWPS1 TWPS0 Prescaler value 0 0 1 0 1 4 1 0 16 1 1 64 To calculate bit rates, see ”Bit Rate Generator unit” on page 217. The value
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STC15-English.pdf
Watch-Dog-Timer Reset....................................................................................237 2.2.7 Reset Caused by Illegal use of ProgramAddress..............................................241 2.2.8 Warm Boot and Cold Boot Reset..............................................................
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OE2CHL.ASM
label1782 CODE 783Fh label1784 CODE 7B68h label1786 CODE 7B97h label1788 CODE 7B8Eh label1796 CODE 7BD4h label1800 CODE 7BE6h label1810 CODE 7A38h label1814 CODE 7C63h label1816 CODE 7C7Dh label1818 CODE 221Ch label1825 CODE 1810h label1826 CODE 7D36h label1827 CODE 7815h label1828 CODE 7D57h label1829
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