ATtiny48 Atmel Corporation, ATtiny48 Datasheet - Page 79

• Manufacturer Part Number: ATtiny48
• Manufacturer: Atmel Corporation

Specifications of ATtiny48

• Flash (kbytes): 4 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 28
• Ext Interrupts: 28
• 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): 64
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• 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: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

10.4.11
10.4.12
10.4.13
10.4.14
8008H–AVR–04/11
PINC – The Port C Input Pins
PORTD – The Port D Data Register
DDRD – The Port D Data Direction Register
PIND – The Port D Input Pins
Bit
0x06 (0x26)
Read/Write
Initial Value
Bit
0x0B (0x2B)
Read/Write
Initial Value
Bit
0x0A (0x2A)
Read/Write
Initial Value
Bit
0x09 (0x29)
Read/Write
Initial Value
PORTD7
PINC7
PIND7
DDD7
R/W
R/W
N/A
N/A
R
R
7
7
0
7
0
7
PORTD6
PINC6
PIND6
DDD6
R/W
R/W
N/A
N/A
R
R
6
6
0
6
0
6
PORTD5
PINC5
PIND5
DDD5
R/W
R/W
N/A
N/A
R
R
5
5
0
5
0
5
PORTD4
PINC4
PIND4
DDD4
R/W
R/W
N/A
N/A
R
R
4
4
0
4
0
4
PORTD3
PINC3
PIND3
DDD3
R/W
R/W
N/A
N/A
R
R
3
3
0
3
0
3
PORTD2
PINC2
PIND2
DDD2
R/W
R/W
N/A
N/A
R
R
2
2
0
2
0
2
PORTD1
PINC1
PIND1
DDD1
R/W
R/W
N/A
N/A
R
R
1
1
0
1
0
1
ATtiny48/88
PORTD0
PINC0
PIND0
DDD0
R/W
R/W
N/A
N/A
R
R
0
0
0
0
0
0
PORTD
DDRD
PINC
PIND
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