ATtiny9 Atmel Corporation, ATtiny9 Datasheet - Page 88

• Manufacturer Part Number: ATtiny9
• Manufacturer: Atmel Corporation

Specifications of ATtiny9

• Flash (kbytes): 1 Kbytes
• Pin Count: 6
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 1
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 4
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.03
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 2
• Input Capture Channels: 1
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

88
ATtiny4/5/9/10
Figure 13-6. ADC Timing Diagram, Auto Triggered Conversion
In Free Running mode (see
conversion completes, while ADSC remains high.
Figure 13-7. ADC Timing Diagram, Free Running Conversion
For a summary of conversion times, see
Table 13-1.
Cycle Number
ADC Clock
Trigger
Source
ADATE
ADIF
ADCL
Condition
First conversion
Normal conversions
Auto Triggered conversions
Prescaler
Reset
Cycle Number
ADC Clock
ADSC
ADIF
ADCL
ADC Conversion Time
Update
MUX
1
2
Figure
One Conversion
3
Sample &
11
Hold
4
13-7), a new conversion will be started immediately after the
Sample & Hold (Cycles from
5
12
Conversion complete
Table
Start of Conversion)
6
MUX update
13
13-1.
7
One Conversion
16.5
3.5
4
8
Next Conversion
1
Conversion Result
9
2
10
11
Sample & Hold
3
Conversion Time (Cycles)
12
Conversion
Complete
13
4
13.5
25
13
Prescaler
Reset
Conversion Result
8127E–AVR–11/11
Next Conversion
1
2