CL-PS7500FE View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CL-PS7500FE

System-on-a Chip for Internet Appliance

Cirrus Logic 

CL-PS7500FE

System-on-a-Chip for Internet Appliance

10.3.28 VIDMUX (0x6C) — Video LCD and Serial Sound MUX Control

76543210

XXXXX X IL

This register has two functions:

Bit 1

allows selection of the type of serial sound interface to be supported.

The timing of the two possibilities is shown in the Chapter 13.

Bit 0

controls the color LCD multiplexer used with the video pixel clock to double the

available bandwidth of color LCD data provided.

Further details of how to use this feature can be found in the video and sound macrocell chapters.

L

color LCD support MUX control

I

Serial Sound Format selection

Write

bit[0]

0

1

ESEL[0] = EREG[0]

ESEL[0] = ECLK

bit[1]

0

1

normal format

Japanese format

Read

return above value

Reset

set to ‘0’ (normal)

10.3.29 IRQSTD (0x70) — IRQ D Interrupts Status

76543210

XXX 2 1 ATR

The IRQD control registers are used in an identical way to the IRQB and C registers.

2

nEVENT2, reads back high during an active-low wakeup event 2

1

nEVENT1, reads back high during an active-low wakeup event 1

A

A-to-D, active-high

T

mouse transmit active-high

R

mouse receive active-high

Write

ignored

Read

status

bits[7:5] unused

bits[4:0]

0

inactive

1

active

June 1997

ADVANCE DATA BOOK v2.0

91

MEMORY AND I/O PROGRAMMERS’ MODEL

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