Datasheet > SX28AC75-I/TQ

SX28AC75-I/TQ

更新时间： 2024-11-27 22:42:35

品牌	Logo	应用领域
其他 - ETC		闪存存储通信控制器
页数	文件大小	规格书
52页	337K
描述
Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug

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SX28AC75-I/TQ 数据手册

January 19, 2000

SX18AC/SX20AC/SX28AC/SX18AC75/SX20AC75/SX28AC75

Configurable Communications Controllers with EE/Flash Program

Memory, In-System Programming Capability and On-Chip Debug

1.0 PRODUCT OVERVIEW

teristics enables the device to implement hard real-time

functions as software modules (Virtual Peripheral™) to

replace traditional hardware functions.

1.1 Introduction

The Scenix SX family of configurable communications

controllers are fabricated in an advanced CMOS process

technology. The advanced process, combined with a

RISC-based architecture, allows high-speed computa-

tion, flexible I/O control, and efficient data manipulation.

Throughput is enhanced by operating the device at fre-

quencies up to 50/75 MHz and by optimizing the instruc-

tion set to include mostly single-cycle instructions. In

addition, the SX architecture is deterministic and totally

reprogramable. The unique combination of these charac-

On-chip functions include a general-purpose 8-bit timer

with prescaler, an analog comparator, a brown-out detec-

tor, a watchdog timer, a power-save mode with multi-

source wakeup capability, an internal R/C oscillator, user-

selectable clock modes, and high-current outputs.

RTCC

OSC1

OSC2

OSC

8-bit Watchdog

Tim er (W DT)

8-bit Tim er

RTCC

Driver

Clock

Select

4M Hz

Internal

RC OSC

4 or 1

Interrupt Stack

System Clock

M CLR

Prescaler for RTCC

Prescaler for W DT

Power-On

Reset

Analog

Comp

Interrupt

RESET

MIW U

Port B

Brown-Out

System

Clock

MIW U

Internal Data Bus

In-System

3 Level

Stack

Debugging

Port A

Port C

ALU

FSR

Address

Fetch

In-System

Programm ing

Instruction

Pipeline

Decode

136 Bytes

SRAM

STATUS

OPTION

M ODE

Executive

2k Words

EEPROM

Address

Write Back

W rite Data

Read Data

Instruction

IREAD

Figure 1-1. Block Diagram

Scenix™ and the Scenix logo are trademarks of Scenix Semiconductor, Inc.

I²C™ is a trademark of Philips Corporation

All other trademarks mentioned in this document are property of their respec-

tive companies.

Microwire™ is a trademark of National Semiconductor Corporation

- 1 -

www.scenix.com

12 3 4 5 6 7...52

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