參數(shù)資料
型號: AT90LS2343-1SI
廠商: Atmel
文件頁數(shù): 11/63頁
文件大?。?/td> 0K
描述: IC MCU 2K FLASH 1MHZ IND 8-SOIC
標(biāo)準(zhǔn)包裝: 95
系列: AVR® 90LS
核心處理器: AVR
芯體尺寸: 8-位
速度: 1MHz
連通性: SPI
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 5
程序存儲器容量: 2KB(1K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 128 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-SOIC(0.209",5.30mm 寬)
包裝: 管件
2
AT90S/LS2323/2343
1004D–09/01
Description
The AT90S/LS2323 and AT90S/LS2343 are low-power, CMOS, 8-bit microcontrollers
based on the AVR RISC architecture. By executing powerful instructions in a single
clock cycle, the AT90S2323/2343 achieves throughputs approaching 1 MIPS per MHz
allowing the system designer to optimize power consumption versus processing speed.
The AVR core combines a rich instruction set with 32 general-purpose working regis-
ters. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU),
allowing two independent registers to be accessed in one single instruction executed in
one clock cycle. The resulting architecture is more code efficient while achieving
throughputs up to ten times faster than conventional CISC microcontrollers.
Block Diagram
Figure 1. The AT90S/LS2343 Block Diagram
PROGRAM
COUNTER
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
STACK
POINTER
PROGRAM
FLASH
MCU CONTROL
REGISTER
SRAM
GENERAL
PURPOSE
REGISTERS
INSTRUCTION
REGISTER
TIMER/
COUNTER
INSTRUCTION
DECODER
DATA DIR.
REG. PORTB
DATA REGISTER
PORTB
PROGRAMMING
LOGIC
TIMING AND
CONTROL
INTERRUPT
UNIT
EEPROM
SPI
STATUS
REGISTER
Z
Y
X
ALU
PORTB DRIVERS
PB0 - PB4
RESET
VCC
GND
CONTROL
LINES
8-BIT DATA BUS
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