CS5535 datasheet(140/555 Pages) NSC

No. de pieza	CS5535

Descripción Electrónicos	Geode??CS5535 I/O Companion Multi-Function South Bridge

PDF	555 Pages

Scroll/Zoom	100%

Fabricante Electrónico	NSC [National Semiconductor (TI)]

Página de inicio	http://www.national.com

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140 / 555 page

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140

Revision 0.8

LPC Port Functional Description (Continued)

Figure 4-42. Start Frame Waveform

Figure 4-43. IRQ Frame Waveform

Figure 4-44. Stop Frame Waveform

START

REC

TAR

Drivers

Host

Slave

Host Controller

None

LCLK

SERIRQ

START: Start pulse width can be from 4-8 cycles, the width is determined by the value of START width.

REC:

Recover, host actively drives SERIRQ high.

TAR:

Turn Around Cycle. Dead cycle to prevent bus contention.

IRQ Set:

IRQ Clear:

SERIRQ

LCLK

SAMP

REC

TAR

None

IRQX

SERIRQ

SAMP

REC

TAR

Driver

None

Driver

SAMP:

Sample, slave drives low or leaves high.

REC:

Recover,

slave actively drives SERIRQ high if driven low during sample.

TAR:

Turn Around Cycle. Dead cycle to prevent bus contention.

STOP

REC

TAR

Host Controller

None

Drivers

SERIRQ

LCLK

Quiet Mode:

Continues Mode:

STOP

REC

TAR

SERIRQ

Host Controller

None

Drivers

REC:

Recover, host actively drives SERIRQ high.

TAR:

Turn Around Cycle. Dead cycle to prevent bus contention.

CS5535 Datasheet(PDF) 140 Page - National Semiconductor (TI)

CS5535 Datasheet(HTML) 140 Page - National Semiconductor (TI)

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