ATtiny25 Automotive Atmel Corporation, ATtiny25 Automotive Datasheet - Page 92

• Manufacturer Part Number: ATtiny25 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATtiny25 Automotive

• Flash (kbytes): 2 Kbytes
• Pin Count: 8
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 4
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 6
• Ext Interrupts: 6
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 5
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

92
ATtiny25/45/85
Resolution shows how many bit is required to express the value in the OCR1C register. It is cal-
culated by following equation
Resolution
Table 14-6.
PWM Frequency
100 kHz
110 kHz
120 kHz
130 kHz
140 kHz
150 kHz
160 kHz
170 kHz
180 kHz
190 kHz
200 kHz
250 kHz
300 kHz
350 kHz
400 kHz
450 kHz
500 kHz
20 kHz
30 kHz
40 kHz
50 kHz
60 kHz
70 kHz
80 kHz
90 kHz
PWM
Timer/Counter1 Clock Prescale Select in the Asynchronous Mode
= log
2
(OCR1C + 1).
Clock Selection
PCK/16
PCK/16
PCK/8
PCK/8
PCK/8
PCK/4
PCK/4
PCK/4
PCK/4
PCK/4
PCK/4
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK
PCK
PCK
PCK
PCK
PCK
CS13..CS10
0101
0101
0100
0100
0100
0011
0011
0011
0011
0011
0011
0010
0010
0010
0010
0010
0010
0010
0010
0001
0001
0001
0001
0001
0001
OCR1C
199
132
199
159
132
228
199
177
159
144
132
245
228
212
199
187
177
167
159
255
212
182
159
141
127
RESOLUTION
7598H–AVR–07/09
7.6
7.1
7.6
7.3
7.1
7.8
7.6
7.5
7.3
7.2
7.1
7.9
7.8
7.7
7.6
7.6
7.5
7.4
7.3
8.0
7.7
7.5
7.3
7.1
7.0