ATtiny2313A Atmel Corporation, ATtiny2313A Datasheet - Page 185

• 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

8246B–AVR–09/11
Signals are described in
names.
Table 21-3.
Pulses are assumed to be at least 250 ns, unless otherwise noted.
Table 21-4.
Pins XA1 and XA0 determine the action when CLKI is given a positive pulse, as shown in
21-5.
Table 21-5.
Signal Name
RDY/BSY
OE
WR
BS1/PAGEL
XA0
XA1/BS2
DATA I/O
XA1
0
0
1
1
XA1
XA0
BS1
WR
Pin
XA0
Pin and Signal Names Used in Programming Mode
Pin Values Used to Enter Programming Mode
XA1 and XA0 Coding
0
1
0
1
Action when CLKI is Pulsed
Load Flash or EEPROM address (high or low address byte, determined by BS1)
Load data (high or low data byte for Flash, determined by BS1)
Load command
No action, idle
Pin(s)
PD1
PD2
PD3
PD4
PD5
PD6
PB7-0
Table
21-3, below. Pins not listed in the table are referenced by pin
I/O
I/O
O
I
I
I
I
I
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Symbol
Function
0: Device is busy programming,
1: Device is ready for new command.
Output Enable (Active low).
Write Pulse (Active low).
Byte Select 1 (“0” selects low byte, “1” selects high byte).
Program Memory and EEPROM Data Page Load.
XTAL Action Bit 0
XTAL Action Bit 1.
Byte Select 2 (0: low byte, 1: 2
Bi-directional Data bus (Output when OE is low).
ATtiny2313A/4313
nd
high byte).
Value
0
0
0
0
Table
185