ATtiny44 Automotive Atmel Corporation, ATtiny44 Automotive Datasheet - Page 55
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ATtiny44 Automotive
Manufacturer Part Number
ATtiny44 Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny44 Automotive
Flash (kbytes)
4 Kbytes
Pin Count
14
Max. Operating Frequency
16 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)
0.25
Eeprom (bytes)
256
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
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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11.2.5
7701E–AVR–02/11
PCMSK0 – Pin Change Mask Register 0
• Bits 3..0 – PCINT11..8: Pin Change Enable Mask 11..8
Each PCINT11..8 bit selects whether pin change interrupt is enabled on the corresponding I/O
pin. If PCINT11..8 is set (logical one) and the PCIE1 bit in GIMSK is set, pin change interrupt
is enabled on the corresponding I/O pin. If PCINT11..8 is cleared, pin change interrupt on the
corresponding I/O pin is disabled.
• Bits 7..0 – PCINT7..0: Pin Change Enable Mask 7..0
Each PCINT7..0 bit selects whether pin change interrupt is enabled on the corresponding I/O
pin. If PCINT7..0 is set (logical one) and the PCIE0 bit in GIMSK is set, pin change interrupt is
enabled on the corresponding I/O pin. If PCINT7..0 is cleared, pin change interrupt on the cor-
responding I/O pin is disabled.
Bit
0x12 (0x32)
Read/Write
Initial Value
PCINT7
R/W
7
0
PCINT6
R/W
6
0
Atmel ATtiny24/44/84 [Preliminary]
PCINT5
R/W
5
0
PCINT4
R/W
4
0
PCINT3
R/W
3
0
PCINT2
R/W
2
0
PCINT1
R/W
1
0
PCINT0
R/W
0
0
PCMSK0
55
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