ATtiny84 Atmel Corporation, ATtiny84 Datasheet - Page 23
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ATtiny84
Manufacturer Part Number
ATtiny84
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny84
Flash (kbytes)
8 Kbytes
Pin Count
14
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
6
Hardware Qtouch Acquisition
No
Max I/o Pins
12
Ext Interrupts
12
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
ATMEL
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480
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Part Number:
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Manufacturer:
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Part Number:
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Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
9.6
8006KS–AVR–10/10
Rev F. 02/07
1.
2.
3.
4.
5.
6. Updated code examples in sections:
7. Updated “Ordering Information” in:
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Updated
Updated
11-3 on page
82,
Updated table references in
Updated Port B, Bit 0 functions in
Updated WDTCR bit name to WDTCSR in assembly code examples.
“Start-up Times for the Crystal Oscillator Clock Selection” on page 29
“Start-up Times for the Internal Calibrated RC Oscillator Clock Selection” on page 27
“Start-up Times for the External Clock Selection” on page 26
“Start-up Times for the 128 kHz Internal Oscillator” on page 27
“Active Clock Domains and Wake-up Sources in Different Sleep Modes” on page 33
“Watchdog Timer Prescale Select” on page 47
“Reset and Interrupt Vectors” on page 48
“Overriding Signals for Alternate Functions in PA7:PA5” on page 63
“Overriding Signals for Alternate Functions in PA4:PA2” on page 64
“Overriding Signals for Alternate Functions in PA1:PA0” on page 64
“Port B Pins Alternate Functions” on page 65
“Overriding Signals for Alternate Functions in PB3:PB2” on page 66
“Overriding Signals for Alternate Functions in PB1:PB0” on page 67
“Waveform Generation Modes” on page 110
“ADC Conversion Time” on page 138
“Temperature vs. Sensor Output Voltage (Typical Case)” on page 144
“DC Characteristics. T
“Calibration Accuracy of Internal RC Oscillator” on page 176
“Reset, Brown-out, and Internal Voltage Characteristics” on page 177
“VBOT vs. BODLEVEL Fuse Coding” on page 179
“ADC Characteristics, Single Ended Channels. T = -40°C to +85°C” on page 180
“ADC Characteristics, Differential Channels (Bipolar Mode), T
page 182
“Serial Programming Characteristics, T
Otherwise Noted)” on page 183
“High-voltage Serial Programming Characteristics T
otherwise noted)” on page 184
“Write” on page 17
“SPI Master Operation Example” on page 119
“ATtiny84” on page 219
Table 11-8 on page
Figure 1-1 on page
Table 9-1 on page
81,
Table 11-5 on page
A
83,
= -40°C to +85°C” on page 174
Table 20-11 on page
“TCCR0A – Timer/Counter Control Register A” on page
48,
2,
Figure 8-7 on page
Table 10-7 on page
“Alternate Functions of Port B” on page
81,
A
= -40°C to +85°C, V
Table 11-6 on page
182,
43,
A
65,
= 25°C, V
Table 20-13 on page
Figure 20-6 on page
Table 11-2 on page
ATtiny24/44/84
CC
A
= -40°C to +85°C” on
82,
CC
= 1.8 - 5.5V (Unless
= 5V (Unless
Table 11-7 on page
65.
184.
184.
80,
Table
80.
23