ATMEGA64A-MN Atmel, ATMEGA64A-MN Datasheet - Page 91
ATMEGA64A-MN
Manufacturer Part Number
ATMEGA64A-MN
Description
IC MCU AVR 64K FLASH 8QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA64A-AU.pdf
(392 pages)
Specifications of ATMEGA64A-MN
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
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K 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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13.4.18
13.4.19
13.4.20
13.4.21
13.4.22
8160C–AVR–07/09
PINF – Port F Input Pins Address
PORTG – Port G Data Register
DDRG – Port G Data Direction Register
PING – Port G Input Pins Address
SFIOR – Special Function IO Register
Note that PORTF and DDRF Registers are not available in ATmega103 compatibility mode
where Port F serves as digital input only.
Note that PORTG, DDRG, and PING are not available in ATmega103 compatibility mode. In the
ATmega103 compatibility mode Port G serves its alternate functions only (TOSC1, TOSC2, WR,
RD and ALE).
• Bit 2 – PUD: Pull-up disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
figuring the Pin” on page 69
Bit
0x00 (0x20)
Read/Write
Initial Value
Bit
(0x65)
Read/Write
Initial Value
Bit
(0x64)
Read/Write
Initial Value
Bit
(0x63)
Read/Write
Initial Value
Bit
0x20 (0x40)
Read/Write
Initial Value
PINF7
N/A
TSM
R/W
R
R
R
R
7
7
–
0
7
–
0
7
–
0
7
0
PINF6
R
6
–
0
N/A
R
R
R
R
6
0
0
0
6
–
6
–
6
–
for more details about this feature.
R
5
–
0
PINF5
N/A
R
R
R
R
5
5
–
0
5
–
0
5
–
0
R
4
–
0
PORTG4
PING4
PINF4
DDG4
R/W
R/W
N/A
N/A
R
R
4
4
0
4
0
4
ACME
R/W
3
0
PORTG3
PING3
PINF3
DDG3
R/W
R/W
N/A
N/A
R
3
0
R
3
3
0
3
PUD
R/W
2
0
PORTG2
PING2
PINF2
DDG2
R/W
R/W
N/A
N/A
R
R
2
2
0
2
0
2
PSR0
R/W
1
0
PORTG1
PING1
PINF1
DDG1
R/W
R/W
N/A
N/A
R
R
1
1
0
1
0
1
ATmega64A
PSR321
R/W
0
0
PORTG0
PING0
PINF0
DDG0
R/W
R/W
N/A
N/A
R
R
0
0
0
0
0
0
SFIOR
PORTG
DDRG
PING
PINF
“Con-
91
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