KB3910 Просмотр технического описания (PDF) - Unspecified

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Компоненты Описание

производитель

KB3910

Keyboard Controller

Unspecified 

2.7 I/O Cell Descriptions

KB3920 Keyboard Controller Datasheet

2.7.1 I/O Buffer Table

IO Name Descriptions

BQC04HU Schmitt trigger, 2~4mA Output / Sink Current, with , Input / Output / Pull Up Enable

BQC04H Schmitt trigger, 2~4mA Output / Sink Current, 5 V Tolerance, Input / Output Enable

BCC16H 8~16mA Output / Sink Current, 5 V Tolerance, Input / Output Enable

IQA*

Mixed mode IO, ADC Enable, with GPI, 2~4mA Sink Current, Input Enable

OC04A Mixed mode IO, DAC Enable, with GPO, 2~4mA Output Current, Output Enable

BQC16HU Schmitt trigger, 8~16mA Output / Sink Current, with , Input / Output / Pull Up Enable

* IQA I/O buffer without Schmitt trigger.

Applications

GPIO

GPIO

LPC Interface

ADC, GPIN

DAC, GPOUT

2.7.2 I/O Buffer Characteristic Table

IO Name

Port

IO

I

O OE IE

BQC04HU

V

V

V

V

V

BQC04H

V

V

V

V

V

BCC16H

V

V

V

V

V

IQA

V

V

V

OC04A

V

V

V

BQC16HU

V

V

V

V

V

AE 5VTor PE

80K

V

V

V

V

80K

2.7.3 I/O Buffer Naming Convention

I

IO Buffer Input

O IO Buffer Output

OE IO Buffer Output Enable

IE IO Buffer Input Enable

PE IO Buffer Pull High Enable

AE IO Buffer Analog mode Enable (AE > OE)

Q Schmitt Trigger

H 5V Tolerance

Output / Sink Current

2~4mA

2~4mA

8~16mA

2~4mA

8~16mA

Copyright©2006, ENE Technology Inc.

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