ATtiny24 Atmel Corporation, ATtiny24 Datasheet - Page 234

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ATtiny24

Manufacturer Part Number
ATtiny24
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATtiny24

Flash (kbytes)
2 Kbytes
Pin Count
14
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
4
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)
0.12
Eeprom (bytes)
128
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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iv
ATtiny24/44/84
18 Self-Programming the Flash ............................................................... 153
19 Memory Programming ......................................................................... 159
20 Electrical Characteristics .................................................................... 174
21 Typical Characteristics ........................................................................ 185
17.2
17.3
17.4
17.5
17.6
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
18.9
19.1
19.2
19.3
19.4
19.5
19.6
19.7
20.1
20.2
20.3
20.4
20.5
20.6
20.7
20.8
20.9
21.1
Overview ........................................................................................................151
Physical Interface ..........................................................................................151
Software Break Points ...................................................................................152
Limitations of debugWIRE .............................................................................152
Register Description ......................................................................................152
Performing Page Erase by SPM ....................................................................153
Filling the Temporary Buffer (Page Loading) .................................................153
Performing a Page Write ...............................................................................154
Addressing the Flash During Self-Programming ...........................................154
EEPROM Write Prevents Writing to SPMCSR ..............................................155
Reading Lock, Fuse and Signature Data from Software ...............................155
Preventing Flash Corruption ..........................................................................157
Programming Time for Flash when Using SPM ............................................157
Register Description ......................................................................................157
Program And Data Memory Lock Bits ...........................................................159
Fuse Bytes .....................................................................................................160
Device Signature Imprint Table .....................................................................161
Page Size ......................................................................................................162
Serial Programming .......................................................................................163
High-voltage Serial Programming ..................................................................167
High-Voltage Serial Programming Algorithm .................................................168
Absolute Maximum Ratings* .........................................................................174
DC Characteristics .........................................................................................174
Speed ............................................................................................................175
Clock Characteristics .....................................................................................176
System and Reset Characteristics ................................................................177
Analog Comparator Characteristics ...............................................................179
ADC Characteristics ......................................................................................180
Serial Programming Characteristics ..............................................................183
High-Voltage Serial Programming Characteristics ........................................184
Supply Current of I/O Modules ......................................................................185
8006K–AVR–10/10

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