ATTINY261-15MZ Atmel, ATTINY261-15MZ Datasheet - Page 115
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ATTINY261-15MZ
Manufacturer Part Number
ATTINY261-15MZ
Description
MCU AVR 2K FLASH 15MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY261-15MZ
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
128 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
2KB (2K x 8)
Data Converters
A/D 11x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Quantity
Price
Company:
Part Number:
ATTINY261-15MZ
Manufacturer:
ATMEL
Quantity:
5 000
Part Number:
ATTINY261-15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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16.11 Register Description
16.11.1
7753F–AVR–01/11
TCCR1A – Timer/Counter1 Control Register A
• Bits 7,6 - COM1A1, COM1A0: Comparator A Output Mode, Bits 1 and 0
These bits control the behavior of the Waveform Output (OCW1A) and the connection of the
Output Compare pin (OC1A). If one or both of the COM1A1:0 bits are set, the OC1A output
overrides the normal port functionality of the I/O pin it is connected to. The complementary
OC1B output is connected only in PWM modes when the COM1A1:0 bits are set to “01”. Note
that the Data Direction Register (DDR) bit corresponding to the OC1A and OC1A pins must be
set in order to enable the output driver.
The function of the COM1A1:0 bits depends on the PWM1A, WGM10 and WGM11 bit settings.
Table 16-6
(non-PWM).
Table 16-6.
Table 16-7
are set to fast PWM mode.
Table 16-7.
Bit
0x30 (0x50)
Read/Write
Initial value
COM1A1..0
COM1A1..0
00
01
10
11
00
01
10
11
shows the COM1A1:0 bit functionality when the PWM1A, WGM10 and WGM11 bits
shows the COM1A1:0 bit functionality when the PWM1A bit is set to Normal Mode
COM1A1
Compare Output Mode, Normal Mode (non-PWM)
Compare Output Mode, Fast PWM Mode
OCW1A Behavior
Normal port operation.
Toggle on Compare Match.
Clear on Compare Match.
Set on Compare Match.
OCW1A Behavior
Normal port operation.
Cleared on Compare Match.
Set when TCNT1 = 0x000.
Cleared on Compare Match.
Set when TCNT1 = 0x000.
Set on Compare Match.
Cleared when TCNT1 = 0x000.
R/W
7
0
COM1A0
R/W
6
0
COM1B1
R/W
ATtiny261/ATtiny461/ATtiny861
5
0
COM1B0
R/W
4
0
FOC1A
W
3
0
FOC1B
W
0
2
Disconnected
Disconnected
Connected
Connected
Connected
Connected
Connected
Connected
OC1A Pin
OC1A
PWM1A
R/W
1
0
PWM1B
R/W
0
0
Disconnected
Disconnected
Disconnected
Disconnected
Disconnected
Disconnected
Disconnected
Connected
OC1A Pin
OC1A
TCCR1A
115
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