ATTINY861-15MZ Atmel, ATTINY861-15MZ Datasheet - Page 75
![MCU AVR 8K FLASH 15MHZ 32-QFN](/photos/30/99/309943/qfn-32_sml.jpg)
ATTINY861-15MZ
Manufacturer Part Number
ATTINY861-15MZ
Description
MCU AVR 8K FLASH 15MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY861-15MZ.pdf
(236 pages)
Specifications of ATTINY861-15MZ
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
16
Eeprom Size
512 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
512 x 8
Program Memory Size
8KB (8K x 8)
Data Converters
A/D 11x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRMC320
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY861-15MZ
Manufacturer:
ATMEL
Quantity:
1 465
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14.5.3
14.5.4
14.5.5
2588B–AVR–11/06
16-bit Mode
8-bit Input Capture Mode
16-bit Input Capture Mode
Figure 14-2. CTC Mode, Timing Diagram
An interrupt can be generated each time the counter value reaches the TOP value by using the
OCF0A Flag. If the interrupt is enabled, the interrupt handler routine can be used for updating
the TOP value. However, changing TOP to a value close to BOTTOM when the counter is run-
ning with none or a low prescaler value must be done with care since the CTC mode does not
have the double buffering feature. If the new value written to OCR0A is lower than the current
value of TCNT0, the counter will miss the Compare Match. The counter will then have to count to
its maximum value (0xFF) and wrap around starting at 0x00 before the Compare Match can
occur. As for the Normal mode of operation, the TOV0 Flag is set in the same timer clock cycle
that the counter counts from MAX to 0x00.
In 16-bit mode, see
overruns when it passes its maximum 16-bit value (MAX = 0xFFFF) and then restarts from the
bottom (0x0000). The Overflow Flag (TOV0) will be set in the same timer clock cycle as the
TCNT0H/L becomes zero. The TOV0 Flag in this case behaves like a 17th bit, except that it is
only set, not cleared. However, combined with the timer overflow interrupt that automatically
clears the TOV0 Flag, the timer resolution can be increased by software. There are no special
cases to consider in the Normal mode, a new counter value can be written anytime. The Output
Compare Unit can be used to generate interrupts at some given time.
The Timer/Counter0 can also be used in an 8-bit Input Capture mode, see
74
The Timer/Counter0 can also be used in a 16-bit Input Capture mode, see
74
for bit settings. For full description, see the section
for bit settings. For full description, see the section
TCNTn
Period
Table 14-3 on page
1
2
74, the counter (TCNT0H/L) is a incrementing until it
3
4
”Input Capture Unit” on page
”Input Capture Unit” on page
ATtiny261/461/861
OCnx Interrupt Flag Set
Table 14-3 on page
Table 14-3 on page
76.
76.
75
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