ATTINY48-MMHR Atmel, ATTINY48-MMHR Datasheet - Page 68

• Manufacturer Part Number: ATTINY48-MMHR
• Description: MCU AVR 4KB FLASH 12MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY48-MMHR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 24
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10.3.1
68
ATtiny48/88
Alternate Functions of Port A
The Port A pins with alternate functions are shown in
Table 10-3.
The alternate pin configuration is as follows:
• PCINT27 – Port A, Bit 3
PCINT27: Pin Change Interrupt source 27.
• PCINT26 – Port A, Bit 2
PCINT26: Pin Change Interrupt source 26.
• ADC7/PCINT25 – Port A, Bit 1
ADC7: PA1 can be used as ADC input Channel 7.
PCINT25: Pin Change Interrupt source 25.
• ADC6/PCINT24 – Port A, Bit 0
ADC6: PA0 can be used as ADC input Channel 6.
PCINT24: Pin Change Interrupt source 24.
Table 10-4
on page
Table 10-4.
Signal Name
PUOE
PUO
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PA3
PA2
PA1
PA0
66.
relate the alternate functions of Port A to the overriding signals shown in
Port A Pins Alternate Functions
Overriding Signals for Alternate Functions in PA[3:0]
PA3/PCINT27
0
0
0
0
0
0
PCINT27 •
PCIE3
1
PCINT27 INPUT
–
Alternate Function
PCINT27 (Pin Change Interrupt 27)
PCINT26 (Pin Change Interrupt 26)
ADC7 (ADC Input Channel 7)
PCINT25 (Pin Change Interrupt 25)
ADC6 (ADC Input Channel 6)
PCINT24 (Pin Change Interrupt 24)
PA2/PCINT26
0
0
0
0
0
0
PCINT26 •
PCIE3
1
PCINT26 INPUT
–
PA1/ADC7/PCINT25
0
0
0
0
0
0
PCINT25 • PCIE3 +
ADC7D
1
PCINT25 INPUT
ADC7 INPUT
Table
10-3.
PA0/ADC6/PCINT24
0
0
0
0
0
0
PCINT24 • PCIE3 +
ADC6D
1
PCINT24 INPUT
ADC6 INPUT
8008G–AVR–04/11
Figure 10-6