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参数资料
| 型号： | ISD4003-08MSI |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 音频合成 |
| 英文描述： | 480 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
| 封装： | 0.1200 INCH, PLASTIC, SOIC-28 |
| 文件页数： | 2/37页 |
| 文件大小： | 392K |
| 代理商： | ISD4003-08MSI |
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ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
7.
AVR CPU core
7.1
Introduction
This section discusses the AVR core architecture in general. The main function of the CPU core is to ensure cor-
rect program execution. The CPU must therefore be able to access memories, perform calculations, control
peripherals, and handle interrupts.
7.2
Architectural overview
Figure 7-1.
Block diagram of the AVR architecture.
In order to maximize performance and parallelism, the AVR uses a Harvard architecture – with separate memories
and buses for program and data. Instructions in the program memory are executed with a single level pipelining.
While one instruction is being executed, the next instruction is pre-fetched from the program memory. This concept
enables instructions to be executed in every clock cycle. The program memory is In-System Reprogrammable
Flash memory.
The fast-access Register File contains 32 × 8-bit general purpose working registers with a single clock cycle
access time. This allows single-cycle Arithmetic Logic Unit (ALU) operation. In a typical ALU operation, two oper-
Flash
Program
Memory
Instruction
Register
Instruction
Decoder
Program
Counter
Control Lines
32 x 8
General
Purpose
Registrers
ALU
Status
and Control
I/O Lines
EEPROM
Data Bus 8-bit
Data
SRAM
Direct
Addressing
Indirect
Addressing
Interrupt
Unit
SPI
Unit
Watchdog
Timer
Analog
Comparator
I/O Module 2
I/O Module1
I/O Module n
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISD4003-08MSIR | 功能描述:IC VOICE REC/PLAY 8MIN IN 28SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-08MSY | 功能描述:IC VOICE REC/PLAY 8MIN 28-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-08MSYI | 功能描述:IC VOICE REC/PLAY 8MIN 28-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-08MX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Chip Voice Record/Playback Devices 4-, 5-, 6-, and 8-Minute Durations |
| ISD400308MXD | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Chip Voice Record/Playback Devices 2- to 16-Minute Durations |
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