ATTIny2313-16MI ATMEL Corporation, ATTIny2313-16MI Datasheet - Page 5
ATTIny2313-16MI
Manufacturer Part Number
ATTIny2313-16MI
Description
8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATTINY2313-16MI.pdf
(211 pages)
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Pin Descriptions
VCC
GND
Port A (PA2..PA0)
Port B (PB7..PB0)
Port D (PD6..PD0)
RESET
XTAL1
XTAL2
About Code
Examples
Disclaimer
2543C–AVR–12/03
Digital supply voltage.
Ground.
Port A is a 3-bit bi-directional I/O port with internal pull-up resistors (selected for each
bit). The Port A output buffers have symmetrical drive characteristics with both high sink
and source capability. As inputs, Port A pins that are externally pulled low will source
current if the pull-up resistors are activated. The Port A pins are tri-stated when a reset
condition becomes active, even if the clock is not running.
Port A also serves the functions of various special features of the ATtiny2313 as listed
on page 53.
Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each
bit). The Port B output buffers have symmetrical drive characteristics with both high sink
and source capability. As inputs, Port B pins that are externally pulled low will source
current if the pull-up resistors are activated. The Port B pins are tri-stated when a reset
condition becomes active, even if the clock is not running.
Port B also serves the functions of various special features of the ATtiny2313 as listed
on page 53.
Port D is a 7-bit bi-directional I/O port with internal pull-up resistors (selected for each
bit). The Port D output buffers have symmetrical drive characteristics with both high sink
and source capability. As inputs, Port D pins that are externally pulled low will source
current if the pull-up resistors are activated. The Port D pins are tri-stated when a reset
condition becomes active, even if the clock is not running.
Port D also serves the functions of various special features of the ATtiny2313 as listed
on page 56.
Reset input. A low level on this pin for longer than the minimum pulse length will gener-
ate a reset, even if the clock is not running. The minimum pulse length is given in Table
15 on page 34. Shorter pulses are not guaranteed to generate a reset. The Reset Input
is an alternate function for PA2 and dW.
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
XTAL1 is an alternate function for PA0.
Output from the inverting Oscillator amplifier. XTAL2 is an alternate function for PA1.
This documentation contains simple code examples that briefly show how to use various
parts of the device. These code examples assume that the part specific header file is
included before compilation. Be aware that not all C compiler vendors include bit defini-
tions in the header files and interrupt handling in C is compiler dependent. Please
confirm with the C compiler documentation for more details.
Typical values contained in this data sheet are based on simulations and characteriza-
tion of other AVR microcontrollers manufactured on the same process technology. Min
and Max values will be available after the device is characterized.
ATtiny2313/V
5
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