Datasheet > SX48BD

SX48BD

更新时间： 2024-11-01 22:21:03

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
58页	829K
描述
Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability, and On-Chip Debug

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SX48BD 数据手册

April, 2002

SX48BD/SX52BD

Configurable Communications Controllers with EE/Flash Program

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

1.0 PRODUCT OVERVIEW

On-chip functions include two 16-bit timers with 8-bit

prescalers supporting different operating modes (PWM,

simultaneous PWM/capture, and external event counter),

a general-purpose 8-bit timer with prescaler, an analog

comparator, a brown-out detector, 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.

1.1 Introduction

The Ubicom SX48BD/SX52BD are members of the SX

family of configurable communications controllers fabri-

cated in an advanced CMOS process technology. The

advanced process, combined with a RISC-based archi-

tecture, allows high-speed computation, flexible I/O con-

trol, and efficient data manipulation. Throughput is

enhanced by operating the device at frequencies up to 75

MHz and by optimizing the instruction set to include

mostly single-cycle instructions. In addition, the SX archi-

tecture is deterministic and totally reprogramable. The

unique combination of these characteristics enables the

device to implement hard real-time functions as software

modules (Virtual Peripheral™) to replace traditional hard-

ware functions.

The SX48BD and SX52BD are functionally the same,

except for the package type and pinout. The SX48BD

has four fewer pins and has only four rather than eight

I/O pins for Port A.

RTCC

OSC1

OSC2

WDT Clock

OSC Driver

Clock

Select

8-bit Watchdog

Timer (WDT)

8-bit Timer

RTCC

4MHz Internal

RC OSC

(divided by

8 steps)

Port B

COMPARATOR

Interrupt

Stack

System Clock

4/8

MCLR

Prescaler for RTCC

Interrupt

Power-On

Reset

MIWU

Port A Port C Port D Port E

RESET

Postscaler for WDT

Brown-Out

System

Clock

MIWU

Internal Data Bus

Port C

Port B

16-Bit

Timer 1

Instruction

Pipeline

In-System

Debugging

8 Level

Stack

16-Bit

Timer 2

ALU

FSR

Address

Fetch

Data

In-System

Programming

8-Bit

Prescaler

8-Bit

Prescaler

Decode

Execute

262 Bytes

SRAM

STATUS

OPTION

MODE

4k Words

EEPROM

Address

Write Back

Write Data

Read Data

Instruction

IREAD

Figure 1-1. Block Diagram

Ubicom™ and the Ubicom logo are trademarks of Ubicom, Inc.

I²C™ is a trademark of Philips Corporation.

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

tive companies.

- 1 -

www.ubicom.com

12 3 4 5 6 7...58

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与SX48BD相关器件

型号	品牌	获取价格	描述	数据表
SX48BD/TQ	ETC	获取价格	Configurable Communications Controllers with EE/Flash Program Memory, In-System Programmin
SX491	CDE	获取价格	Film Capacitor, Polystyrene, 630V, 5% +Tol, 5% -Tol, 0.000091uF, Through Hole Mount, AXIAL
SX493	ETC	获取价格	Photomicrosensor
SX4944	SENSITRON	获取价格	Rectifier Diode, 1 Element, 1A, Silicon,
SX4947	SENSITRON	获取价格	Rectifier Diode, 1 Element, 1A, Silicon,
SX4948	SENSITRON	获取价格	Rectifier Diode, 1 Element, 1A, Silicon,
SX4954	SENSITRON	获取价格	Zener Diode, 6.8V V(Z), 5W, Silicon, Unidirectional, HERMETIC SEALED, GLASS PACKAGE-2
SX4954US	SENSITRON	获取价格	Zener Diode, 6.8V V(Z), 5W, Silicon, Unidirectional, HERMETIC SEALED, GLASS, MELF-2
SX4955	SENSITRON	获取价格	Zener Diode, 7.5V V(Z), 5W, Silicon, Unidirectional, HERMETIC SEALED, GLASS PACKAGE-2
SX4955US	SENSITRON	获取价格	Zener Diode, 7.5V V(Z), 5W, Silicon, Unidirectional, HERMETIC SEALED, GLASS, MELF-2

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