ATTINY861-20PU Atmel, ATTINY861-20PU Datasheet - Page 106

• Manufacturer Part Number: ATTINY861-20PU
• Description: Microcontrollers (MCU) 8kB Flash 0.512kB EEPROM 16 I/O Pins
• Manufacturer: Atmel

Specifications of ATTINY861-20PU

• Processor Series: ATTINY8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: 2-Wire/SPI/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 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: 11-ch x 10-bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Package / Case: PDIP-20
• Controller Family/series: AVR Tiny
• Core Size: 8 Bit
• No. Of I/o's: 16
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 20MHz
• No. Of Timers: 2
• Rohs Compliant: Yes
• Package: 20PDIP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 20 MHz
• Ram Size: 512 Byte
• Operating Temperature: -40 to 85 °C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.9
106
Timer/Counter Timing Diagrams
ATtiny261/461/861
Table 12-7.
The Timer/Counter is a synchronous design and the timer clock (clk
clock enable signal in the following figures. The figures include information on when Interrupt
Flags are set.
Figure 12-15
sequence close to the MAX value in all modes other than Phase and Frequency Correct PWM
Mode.
Figure 12-15. Timer/Counter Timing Diagram, no Prescaling
Figure 12-16
than Phase and Frequency Correct PWM Mode.
Figure 12-16. Timer/Counter Timing Diagram, with Prescaler (f
Figure 12-17
TCNTn
(clk
COM1D1
0
0
1
1
TCNTn
TOVn
(clk
TOVn
clk
clk
clk
clk
PCK
PCK
PCK
Tn
PCK
Tn
/1)
/8)
contains timing data for basic Timer/Counter operation. The figure shows the count
shows the setting of OCF1A, OCF1B and OCF1D in all modes.
shows the same timing data, but with the prescaler enabled, in all modes other
Configuration of Output Compare Pins OC1D and OC1D in PWM6 Mode
COM1D0
0
1
0
1
TOP - 1
TOP - 1
OC1D Pin (PB4)
Disconnected
OC1A •
OC1A •
OC1A •
TOP
TOP
OC1OE4
OC1OE4
OC1OE4
BOTTOM
clkT1
BOTTOM
/8)
Disconnected
OC1A •
OC1A •
OC1A •
OC1D Pin (PB5)
T1
) is therefore shown as a
OC1OE5
OC1OE5
OC1OE5
BOTTOM + 1
BOTTOM + 1
2588E–AVR–08/10