ATMEGA8A-MUR Atmel, ATMEGA8A-MUR Datasheet - Page 62
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ATMEGA8A-MUR
Manufacturer Part Number
ATMEGA8A-MUR
Description
MCU AVR 8KB FLASH 16MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8A-MU.pdf
(308 pages)
Specifications of ATMEGA8A-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 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
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8159D–AVR–02/11
• ADC2 – Port C, Bit 2
PC2 can also be used as ADC input Channel 2. Note that ADC input channel 2 uses analog
power.
• ADC1 – Port C, Bit 1
PC1 can also be used as ADC input Channel 1. Note that ADC input channel 1 uses analog
power.
• ADC0 – Port C, Bit 0
PC0 can also be used as ADC input Channel 0. Note that ADC input channel 0 uses analog
power.
Table 12-6
shown in
Table 12-6.
Table 12-7.
Note:
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
1. When enabled, the Two-wire Serial Interface enables slew-rate controls on the output pins
Figure 12-5 on page
PC4 and PC5. This is not shown in the figure. In addition, spike filters are connected between
the AIO outputs shown in the port figure and the digital logic of the TWI module.
and
Overriding Signals for Alternate Functions in PC6:PC4
Overriding Signals for Alternate Functions in PC3:PC0
Table 12-7
PC6/RESET
RSTDISBL
1
RSTDISBL
0
0
0
RSTDISBL
0
–
RESET INPUT
PC3/ADC3
0
0
0
0
0
0
0
0
–
ADC3 INPUT
relate the alternate functions of Port C to the overriding signals
56.
PC5/SCL/ADC5
TWEN
PORTC5 • PUD
TWEN
SCL_OUT
TWEN
0
0
0
–
ADC5 INPUT / SCL INPUT
PC2/ADC2
0
0
0
0
0
0
0
0
–
ADC2 INPUT
PC1/ADC1
0
0
0
0
0
0
0
–
ADC1 INPUT
0
PC4/SDA/ADC4
TWEN
PORTC4 • PUD
TWEN
SDA_OUT
TWEN
0
0
0
–
ADC4 INPUT / SDA INPUT
(1)
ATmega8A
PC0/ADC0
0
0
0
0
0
0
0
0
–
ADC0 INPUT
62
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