ATTINY261V-10SUR Atmel, ATTINY261V-10SUR Datasheet - Page 69
ATTINY261V-10SUR
Manufacturer Part Number
ATTINY261V-10SUR
Description
MCU AVR 2K FLASH 10MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATAVRMC321.pdf
(242 pages)
Specifications of ATTINY261V-10SUR
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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10.3
10.3.1
10.3.2
10.3.3
2588E–AVR–08/10
Register Description
MCUCR – MCU Control Register
PORTA – Port A Data Register
DDRA – Port A Data Direction Register
Table 10-8.
Note:
• Bit 6 – 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 56
Bit
0x35 (0x55)
Read/Write
Initial Value
Bit
0x1B (0x3B)
Read/Write
Initial Value
Bit
0x1A (0x3A)
Read/Write
Initial Value
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
1. INTRC means that one of the internal RC Oscillators is selected (by the CKSEL fuses),
EXTCK means that external clock is selected (by the CKSEL fuses).
PB3/OC1B/
PCINT11
0
0
0
0
OC1B Enable
OC1B
0
PCINT11 • PCIE
0
PCINT11
7
-
R
0
7
PORTA7
R/W
0
7
DDA7
R/W
0
Overriding Signals for Alternate Functions in PB3:PB0
6
PUD
R/W
0
6
PORTA6
R/W
0
6
DDA6
R/W
0
for more details about this feature.
PB2/SCK/USCK/SCL/O
C1B/PCINT10
0
0
USI_TWO_WIRE •
USIPOS
(USI_SCL_HOLD +
PORTB2) • DDB2 •
USIPOS
OC1B Enable + USIPOS
• USI_TWO_WIRE •
DDB2
OC1B
USITC • USIPOS
PCINT10 • PCIE +
USISIE • USIPOS
0
USCK/SCL/PCINT10
5
PORTA5
R/W
0
5
DDA5
R/W
0
5
SE
R/W
0
4
PORTA4
R/W
0
4
DDA4
R/W
0
4
SM1
R/W
0
3
PORTA3
R/W
0
3
DDA3
R/W
0
3
SM0
R/W
0
PB1/MISO/DO/OC1A/
PCINT9
0
0
0
0
OC1A Enable +
USIPOS •
USI_THREE_WIRE
OC1A + (DO •
USIPOS)
0
PCINT9 • PCIE
0
PCINT9
2
PORTA2
R/W
0
2
DDA2
R/W
0
2
-
R
0
1
PORTA1
R/W
0
1
DDA1
R/W
0
1
ISC01
R
0
PB0/MOSI/DI/SDA/
OC1A/PCINT8
0
0
USI_TWO_WIRE •
USIPOS
(SDA + PORTB0) •
DDB0 • USIPOS
OC1A Enable +
(USI_TWO_WIRE •
DDB0 • USIPOS)
OC1A
0
PCINT8 • PCIE +
(USISIE • USIPOS)
0
DI/SDA/PCINT8
0
PORTA0
R/W
0
0
DDA0
R/W
0
0
ISC00
R
0
MCUCR
PORTA
DDRA
“Con-
69
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