AT90LS2323-4PJ datasheet, PDF - EEWORLD Datasheet

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AT90LS2323-4PJ: DescriptionRISC Microcontroller, 8-Bit, FLASH, 4MHz, CMOS, PDIP8, 0.300 INCH, PLASTIC, DIP-8; CategoryThe embedded processor and controller Microcontrollers and processors; File Size617KB，64 Pages; ManufacturerAtmel (Microchip); Environmental Compliance

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AT90LS2323-4PJ Overview

RISC Microcontroller, 8-Bit, FLASH, 4MHz, CMOS, PDIP8, 0.300 INCH, PLASTIC, DIP-8

AT90LS2323-4PJ Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Atmel (Microchip)
Parts packaging code	DIP
package instruction	DIP,
Contacts	8
Reach Compliance Code	compliant
Has ADC	NO
Address bus width
bit size	8
maximum clock frequency	4 MHz
DAC channel	NO
DMA channel	NO
External data bus width
JESD-30 code	R-PDIP-T8
JESD-609 code	e3
length	9.5885 mm
Number of I/O lines	3
Number of terminals	8
On-chip program ROM width	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
PWM channel	NO
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
RAM (bytes)	128
rom(word)	1024
ROM programmability	FLASH
Maximum seat height	5.33 mm
speed	4 MHz
Maximum supply voltage	6 V
Minimum supply voltage	2.7 V
Nominal supply voltage	3 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.62 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER, RISC
Base Number Matches	1

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Features

•

Utilizes the AVR

RISC Architecture

•

AVR – High-performance and Low-power RISC Architecture

– 118 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General-purpose Working Registers

– Up to 10 MIPS Throughput at 10 MHz

Data and Nonvolatile Program Memory

– 2K Bytes of In-System Programmable Flash

Endurance: 1,000 Write/Erase Cycles

– 128 Bytes Internal RAM

– 128 Bytes of In-System Programmable EEPROM

Endurance: 100,000 Write/Erase Cycles

– Programming Lock for Flash Program and EEPROM Data Security

Peripheral Features

– One 8-bit Timer/Counter with Separate Prescaler

– Programmable Watchdog Timer with On-chip Oscillator

– SPI Serial Interface for In-System Programming

Special Microcontroller Features

– Low-power Idle and Power-down Modes

– External and Internal Interrupt Sources

– Power-on Reset Circuit

– Selectable On-chip RC Oscillator

Specifications

– Low-power, High-speed CMOS Process Technology

– Fully Static Operation

Power Consumption at 4 MHz, 3V, 25°C

– Active: 2.4 mA

– Idle Mode: 0.5 mA

– Power-down Mode: <1 µA

I/O and Packages

– Three Programmable I/O Lines for AT90S/LS2323

– Five Programmable I/O Lines for AT90S/LS2343

– 8-pin PDIP and SOIC

Operating Voltages

– 4.0 - 6.0V for AT90S2323/AT90S2343

– 2.7 - 6.0V for AT90LS2323/AT90LS2343

Speed Grades

– 0 - 10 MHz for AT90S2323/AT90S2343-10

– 0 - 4 MHz for AT90LS2323/AT90LS2343-4

– 0 - 1 MHz for AT90LS2343-1

•

8-bit

Microcontroller

with 2K Bytes of

In-System

Programmable

Flash

AT90S2323

AT90LS2323

AT90S2343

AT90LS2343

•

Pin Configuration

PDIP/SOIC

RESET

(CLOCK) PB3

PB4

GND

VCC

PB2 (SCK/T0)

PB1 (MISO/INT0)

PB0 (MOSI)

RESET

XTAL1

XTAL2

GND

VCC

PB2 (SCK/T0)

PB1 (MISO/INT0)

PB0 (MOSI)

AT90S/LS2343

AT90S/LS2323

Rev. 1004D–09/01

chip, the Atmel AT90S2323/2343 is a powerful microcontroller that provides a highly

flexible and cost-effective solution to many embedded control applications.

The AT90S2323/2343 AVR is supported with a full suite of program and system devel-

opment tools including: C compilers, macro assemblers, program debugger/simulators,

in-circuit emulators and evaluation kits.

Comparison between

AT90S/LS2323 and

AT90S/LS2343

The AT90S/LS2323 is intended for use with external quartz crystal or ceramic resonator

as the clock source. The start-up time is fuse-selectable as either 1 ms (suitable for

ceramic resonator) or 16 ms (suitable for crystal). The device has three I/O pins.

The AT90S/LS2343 is intended for use with either an external clock source or the inter-

nal RC oscillator as clock source. The device has five I/O pins.

Table 1 summarizes the differences in features of the two devices.

Table 1.

Feature Difference Summary

Part

On-chip Oscillator Amplifier

Internal RC Clock

PB3 available as I/O pin

PB4 available as I/O pin

Start-up time

AT90S/LS2323

yes

never

1 ms/16 ms

AT90S/LS2343

yes

internal clock mode

always

16 µs fixed

Pin Descriptions

AT90S/LS2323

VCC

GND

Port B (PB2..PB0)

Supply voltage pin.

Ground pin.

Port B is a 3-bit bi-directional I/O port with internal pull-up resistors. The Port B output

buffers can sink 20 mA. As inputs, Port B pins that are externally pulled low, will source

current if the pull-up resistors are activated.

Port B also serves the functions of various special features.

Port pins can provide internal pull-up resistors (selected for each bit). The Port B pins

are tri-stated when a reset condition becomes active.

RESET

Reset input. An external reset is generated by a low level on the RESET pin. Reset

pulses longer than 50 ns will generate a reset, even if the clock is not running. Shorter

pulses are not guaranteed to generate a reset.

Input to the inverting oscillator amplifier and input to the internal clock operating circuit.

Output from the inverting oscillator amplifier.

XTAL1

XTAL2

AT90S/LS2323/2343

1004D–09/01

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