ATTINY20-EK1 Atmel, ATTINY20-EK1 Datasheet - Page 50

• Manufacturer Part Number: ATTINY20-EK1
• Description: KIT EVAL TOUCH ATTINY20
• Manufacturer: Atmel

Specifications of ATTINY20-EK1

• Sensor Type: *
• Sensing Range: *
• Interface: *
• Sensitivity: *
• Voltage - Supply: *
• Embedded: *
• Utilized Ic / Part: *
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Core Sub-architecture: TinyAVR
• Kit Contents: Board
• Svhc: No SVHC (15-Dec-2010)
• Mcu Supported Families: ATtiny20
• Tool / Board Applications: Microcontroller
• Rohs Compliant: Yes
• Tool Type: Development Kit
• Cpu Core: AVR 8
• Data Bus Width: 8 bit
• Processor To Be Evaluated: ATtiny20
• Interface Type: Touch
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

50
ATtiny20
Figure 10-6. Alternate Port Functions
Note:
The illustration in the figure above serves as a generic description applicable to all port pins in
the AVR microcontroller family. Some overriding signals may not be present in all port pins.
PTOExn:
PUOExn:
PUOVxn:
DDOExn:
DDOVxn:
PVOExn:
PVOVxn:
DIEOExn:
DIEOVxn:
SLEEP:
Pxn
1. WEx, WRx, WPx, WDx, REx, RRx, RPx, and RDx are common to all pins within the same
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
Pxn DIGITAL INPUT-ENABLE OVERRIDE ENABLE
Pxn DIGITAL INPUT-ENABLE OVERRIDE VALUE
SLEEP CONTROL
Pxn, PORT TOGGLE OVERRIDE ENABLE
port. clk
I/O
, and SLEEP are common to all ports. All other signals are unique for each pin.
1
0
1
0
1
0
1
0
PUOExn
PUOVxn
DDOExn
DDOVxn
PVOExn
PVOVxn
DIEOExn
DIEOVxn
SLEEP
(1)
SYNCHRONIZER
D
L
SET
CLR
Q
Q
WEx:
REx:
WDx:
RDx:
RRx:
WRx:
RPx:
clk
DIxn:
AIOxn:
WPx:
D
PINxn
CLR
I/O
Q
Q
:
RESET
PORTxn
Q
Q
CLR
D
RESET
RESET
Q
Q
Q
Q
PUExn
DDxn
CLR
CLR
WRITE PUEx
READ PUEx
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
D
REx
1
0
RRx
clk
WEx
WDx
RDx
DIxn
AIOxn
RPx
I/O
WRx
PTOExn
8235B–AVR–04/11
WPx