Datasheet > PPC34C60

PPC34C60

更新时间： 2024-11-24 22:15:47

品牌	Logo	应用领域
SMSC		/
页数	文件大小	规格书
58页	348K
描述
PARALLEL PORT INTERFACE CHIP PERIPHERAL SIDE

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技术参数
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PPC34C60 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	QFP, QFP100,.7X.9
针数：	100	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.91
边界扫描：	NO	总线兼容性：	ISA; PS/2
最大时钟频率：	24 MHz	外部数据总线宽度：	8
JESD-30 代码：	R-PQFP-G100	JESD-609代码：	e0
长度：	20 mm	I/O 线路数量：	8
端子数量：	100	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装等效代码：	QFP100,.7X.9
封装形状：	RECTANGULAR	封装形式：	FLATPACK
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	3.15 mm	子类别：	Parallel IO Port
最大压摆率：	80 mA	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	QUAD	宽度：	14 mm

PPC34C60 数据手册

PPC34C60

Parallel Port Interface Chip - Peripheral Side

FEATURES

ꢀ

Creates PC/AT-Style Bus from Parallel Printer Port

Signals

ꢀ

Interfaces to 8-Bit and/or 16-Bit Peripherals

FIFO Operation Permits Overlapping Parallel Port and

Peripheral Bus Cycles for Maximum Data Transfer

Rate

ꢀ

Single Chip Interface to Any Bus Capable Peripheral

Supports Standard, Bi-Directional, EPP, and ECP

Parallel Ports

ꢀ

Flexible DRAM Buffer Support and DMA Capability

Four Output Lines Individually Configurable as Chip

Selects or General Purpose Outputs

Three Output Lines Individually Configurable as

Strobes or General Purpose Outputs

Four Uncommitted Inputs

ꢀ

Burst Mode for Improved Data Transfer Rates

Adaptive Interface Optimizes Transfer Rates to

Parallel Port Characteristics

ꢀ

Digital Signal Filtering Increases Noise Immunity

Allows Daisy-Chain of up to Eight Peripherals

Including Standard Printer

ꢀ

Watchdog Monitors Host Computer Activity

Low Battery Detect Input

ꢀ

Provides Interrupt Sharing with Daisy-Chained

Devices

Direct Output for Piezo Transducer

Support for Automatic Power Up/Down

Prevents Host System Latchup with Powerback

Control

ꢀ

16-Bit Product ID Support

Peripheral Bus Clock Selectable at System Clock /2, ꢀ

/3, /5, or /6

ꢀ

On Chip Crystal Oscillator

GENERAL DESCRIPTION

The PPC34C60 provides a means of re-generating an IBM AT style (ISA) bus from the PC printer port signals. In addition

to Standard (Compatible) printer ports, the PPC34C60 supports PS/2 (bi-directional), EPP, and ECP ports. Up to eight

peripherals may be daisy chained between the computer and the printer. Printer operation is unaffected.

The PPC34C60 performs as an intelligent data mux. It multiplexes the printer port signals between the daisy chain

(pass-through) outputs and there-generated ISA bus. Furthermore, it handles breaking up 8- and 16-bit ISA data into 4- or

8-bit chunks for the parallel port.

The PPC34C60 also provides a piezo transducer driver for battery-powered systems. The transducer will signal low battery

with two repeated beeps. If the cable to the computer is disconnected, or if the host is dormant for about a minute, the

transducer will signal inactivity with four beeps. Additionally, a power-down signal can be provided to external circuitry to

automatically shut down system power during inactivity.

SMSC DS – PPC34C60

Rev. 06/01/2001

ADVANCED INFORMATION

12 3 4 5 6 7...58

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