ATTINY10-MAHR Atmel, ATTINY10-MAHR Datasheet - Page 73
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ATTINY10-MAHR
Manufacturer Part Number
ATTINY10-MAHR
Description
MCU AVR 1024K FLASH 12MHZ 8UDFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY10-MAHR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Peripherals
POR, PWM, WDT
Number Of I /o
4
Program Memory Size
1KB (512 x 16)
Program Memory Type
FLASH
Ram Size
32 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
Details
Other names
ATTINY10-MAH
ATTINY10-MAH
ATTINY10-MAH
- Current page: 73 of 169
- Download datasheet (5Mb)
8127D–AVR–02/10
Note:
The code example returns the TCNT0 value in the r17:r16 register pair.
It is important to notice that accessing 16-bit registers are atomic operations. If an interrupt
occurs between the two instructions accessing the 16-bit register, and the interrupt code
updates the temporary register by accessing the same or any other of the 16-bit timer registers,
then the result of the access outside the interrupt will be corrupted. Therefore, when both the
main code and the interrupt code update the temporary register, the main code must disable the
interrupts during the 16-bit access.
The following code example shows how to do an atomic read of the TCNT0 Register contents.
Reading any of the OCR0A/B or ICR0 Registers can be done by using the same principle.
Note:
The code example returns the TCNT0 value in the r17:r16 register pair.
The following code example shows how to do an atomic write of the TCNT0 Register contents.
Writing any of the OCR0A/B or ICR0 Registers can be done by using the same principle.
Assembly Code Example
Assembly Code Example
TIM16_ReadTCNT0:
...
; Set TCNT0 to 0x01FF
ldi r17,0x01
ldi r16,0xFF
out TCNT0H,r17
out TCNT0L,r16
; Read TCNT0 into r17:r16
in r16,TCNT0L
in r17,TCNT0H
...
; Save global interrupt flag
in r18,SREG
; Disable interrupts
cli
; Read TCNT0 into r17:r16
in r16,TCNT0L
in r17,TCNT0H
; Restore global interrupt flag
out SREG,r18
ret
See
See
“Code Examples” on page
“Code Examples” on page
5.
5.
ATtiny4/5/9/10
73
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