ATtiny2313A Atmel Corporation, ATtiny2313A Datasheet - Page 63

• Manufacturer Part Number: ATtiny2313A
• Manufacturer: Atmel Corporation

Specifications of ATtiny2313A

• Flash (kbytes): 2 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 18
• Ext Interrupts: 18
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

10.2.2
8246B–AVR–09/11
Alternate Functions of Port B
Table 10-4
5 on page
Table 10-4.
Notes:
The Port B pins with alternate function are shown in
Table 10-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
1. RSTDISBL is 1 when the fuse is “0” (Programmed).
2. DebugWIRE is enabled when DWEN Fuse is programmed and Lock bits are unprogrammed.
3. EXT_OSC = crystal oscillator or low frequency crystal oscillator is selected as system clock.
4. EXT_CLOCK = external closk is selected as system clock.
Port Pin
60.
PA2/RESET/dW/PCINT10
RSTDISBL
DEBUGWIRE_ENABLE
1
RSTDISBL
DEBUGWIRE_ENABLE
DEBUGWIRE_ENABLE
• debugWire Transmit
RSTDISBL
DEBUGWIRE_ENABLE
0
0
RSTDISBL
DEBUGWIRE_ENABLE
+ PCINT10 • PCIE1
DEBUGWIRE_ENABLE
+ (RSTDISBL
• PCIE1)
dW/PCINT10 Input
relates the alternate functions of Port A to the overriding signals shown in
PB0
PB1
PB2
PB3
Overriding Signals for Alternate Functions in PA2..PA0
Port B Pins Alternate Functions
(1)
(1)
(1)
(1)
+
+
+
+
(1)
• PCINT10
Alternate Function
AIN0:
PCINT0:Pin Change Interrupt 0, Source 0
AIN1:
PCINT1: Pin Change Interrupt 0, Source 1
OC0A:: Timer/Counter0 Compare Match AOutput
PCINT2: Pin Change Interrupt 0, Source 2
OC1A: Timer/Counter1 Compare Match A Output
PCINT3: Pin Change Interrupt 0, Source 3
(2)
(2)
(2)
(2)
(2)
(2)
Analog Comparator, Positive Input
Analog Comparator, Negative Input
PA1/XTAL2/PCINT9
EXT_OSC
0
EXT_OSC
0
EXT_OSC
0
0
EXT_OSC
• PCIE1
EXT_OSC
• PCIE1
PCINT9 Input
XTAL2
(3)
(3)
(3)
(3)
(3)
+ PCINT9
+ PCINT9
Table
10-5.
ATtiny2313A/4313
PA0/XTAL1/PCINT8
EXT_CLOCK
0
EXT_CLOCK
0
EXT_CLOCK
0
0
EXT_CLOCK
+ (PCINT8 • PCIE1)
(EXT_CLOCK
(EXT_CLOCK
PCINT8 • PCIE1)
CLKI/PCINT8 Input
XTAL1
(4)
(4)
(4)
(4)
(4)
(4)
+ EXT_OSC
+ EXT_OSC
+ EXT_OSC
+ EXT_OSC
• PWR_DOWN) +
• EXT_OSC
Figure 10-
(3)
(3)
(3)
(3)
(3)
•
63