ATTINY261A-XUR Atmel, ATTINY261A-XUR Datasheet - Page 59

• Manufacturer Part Number: ATTINY261A-XUR
• Description: MCU AVR 2KB FLASH 20MHZ 20TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261A-XUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, 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

8197B–AVR–01/10
Figure 10-5. Alternate Port Functions
Note:
PUOExn:
PUOVxn:
DDOExn:
DDOVxn:
PVOExn:
PVOVxn:
DIEOExn: Pxn DIGITAL INPUT-ENABLE OVERRIDE ENABLE
DIEOVxn: Pxn DIGITAL INPUT-ENABLE OVERRIDE VALUE
SLEEP:
PTOExn:
Pxn
1. WRx, WPx, WDx, RRx, RPx, and RDx are common to all pins within the same port. clk
Pxn, PORT TOGGLE OVERRIDE ENABLE
Pxn PULL-UP OVERRIDE ENABLE
Pxn PULL-UP OVERRIDE VALUE
Pxn DATA DIRECTION OVERRIDE ENABLE
Pxn DATA DIRECTION OVERRIDE VALUE
Pxn PORT VALUE OVERRIDE ENABLE
Pxn PORT VALUE OVERRIDE VALUE
SLEEP CONTROL
SLEEP, and PUD are common to all ports. All other signals are unique for each pin.
1
0
1
0
1
0
1
0
PUOExn
PUOVxn
PVOExn
PVOVxn
DIEOExn
DIEOVxn
SLEEP
DDOExn
DDOVxn
(1)
SYNCHRONIZER
D
L
CLR
SET
Q
Q
PUD:
WDx:
RDx:
RRx:
WRx:
RPx:
WPx:
clk
DIxn:
AIOxn:
D
PINxn
CLR
I/O
Q
Q
:
RESET
PORTxn
Q
Q
CLR
D
RESET
Q
Q
DDxn
CLR
PULLUP DISABLE
WRITE DDRx
READ DDRx
READ PORTx REGISTER
WRITE PORTx
READ PORTx PIN
I/O CLOCK
DIGITAL INPUT PIN n ON PORTx
ANALOG INPUT/OUTPUT PIN n ON PORTx
WRITE PINx
D
1
0
RRx
clk
PUD
WDx
DIxn
AIOxn
RDx
RPx
I/O
WRx
PTOExn
WPx
I/O
,
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