ATAVRMC321 Atmel, ATAVRMC321 Datasheet - Page 18
ATAVRMC321
Manufacturer Part Number
ATAVRMC321
Description
KIT EVAL MOTOR CTRL LOW COST
Manufacturer
Atmel
Series
AVR®r
Specifications of ATAVRMC321
Main Purpose
Power Management, Motor Control
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ATtinyx61
Primary Attributes
3-Ph BLDC, Brushed DC, Stepper Motor- Controller Board
Secondary Attributes
Includes ATAVRMC300 Power Driver Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 18 of 242
- Download datasheet (5Mb)
5.3.6
18
ATtiny261/461/861
Program Examples
The calibrated Oscillator is used to time the EEPROM accesses. Make sure the Oscillator fre-
quency is within the requirements described in
page
The following code examples show one assembly and one C function for erase, write, or atomic
write of the EEPROM. The examples assume that interrupts are controlled (e.g., by disabling
interrupts globally) so that no interrupts will occur during execution of these functions.
Note:
Assembly Code Example
C Code Example
EEPROM_write:
void EEPROM_write(unsigned char ucAddress, unsigned char ucData)
{
}
32.
; Wait for completion of previous write
sbic EECR,EEPE
rjmp EEPROM_write
; Set Programming mode
ldi
out
; Set up address (r18:r17) in address register
out EEARH, r18
out EEARL, r17
; Write data (r19) to data register
out EEDR, r19
; Write logical one to EEMPE
sbi EECR,EEMPE
; Start eeprom write by setting EEPE
sbi EECR,EEPE
ret
/* Wait for completion of previous write */
while(EECR & (1<<EEPE))
/* Set Programming mode */
EECR = (0<<EEPM1)|(0<<EEPM0);
/* Set up address and data registers */
EEAR = ucAddress;
EEDR = ucData;
/* Write logical one to EEMPE */
EECR |= (1<<EEMPE);
/* Start eeprom write by setting EEPE */
EECR |= (1<<EEPE);
See
;
“Code Examples” on page
r16, (0<<EEPM1)|(0<<EEPM0)
EECR, r16
6.
“OSCCAL – Oscillator Calibration Register” on
2588E–AVR–08/10
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