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ATTiny2313 Board RS232




Description

This board is a small controller board on which you can build your projects. It is suited for educational use, experiments or prototyping. The board uses the AT2313 microcontroller with a 10Mhz crystal. The board contains the ISP 10-pin connector for in circuit serial programming. It has also a push button reset switch for resetting the microcontroller. The I/O pins of the microcontroller are also available on two ML10 connectors for connecting for example the LCD-Interface board. The power can be connected via the DC connector which has a pin of 1.1mm. The power regulator supplies the microcontroller with the 5V DC power it needs. The DB9 bus connector can be hooked to the serial port of your PC for communication between the microcontroller and the PC. The MAX232 IC takes care of the voltage conversion of the RS232 voltage levels and the micrcontroller voltage levels.

ATTiny Board RS232

Programming

The microcontroller on the board can be programmed via the 10-pin ISP connector. The following AT microcontrollers can be programmed with this board:

  • ATTiny2313
  • AT90S2313 (obsolete)
  • AT90S1200 (obsolete)

Connector pinout

In the table below you see the pins of the connectors.

PORTB pinAT2313 pin
1PB0
2PB1
3PB2
4PB3
5PB4
6PB5
7PB6
8PB7
9GND
10VCC
PORTD pinAT2313 pin
1PD0
2PD1
3PD2
4PD3
5PD4
6PD5
7PD6
8NC
9GND
10VCC
ISP pinAT2313 pin
1PB5
2NC
3NC
4GND
5RESET
6GND
7PB7
8GND
9PB6
10GND

Software

There are several projects on this site that you can try and use with the ISP-board:

Partlist

1Bu1DC Conn 1,1mm pin
2C147µF 16V
3C2100nF
4C3100nF
5C4100nF
6C51µF 63V
7C61µF 63V
8C71µF 63V
9C81µF 63V
10C9100nF
11C10100nF
12C11100nF
13IC17805
14IC2AT90S2313
15IC3MAX232
16K1ML10
17K2ML10
18K3ML10
19K4DB9 female
20Q110MHz
21R110k
22S1Switch
23PCB

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