Digi NS9750 User Manual

Page 318

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S y s t e m c o n f i g u r a t i o n r e g i s t e r s

2 9 4

N S 9 7 5 0 H a r d w a r e R e f e r e n c e

Register bit assignment

Bits

Access

Mnemonic

Reset

Description

D31:10

N/A

Reserved

N/A

N/A

D09:07

R/W

LPCS

0x0

LCD panel clock select

000

AHB clock

001

AHB clock / 2

010

AHB clock / 4

011

AHB clock / 8

1xx

LCD clock provided by external clock

D06

R/W

BBC

0x1

BBus

0

Clock disabled

1

Clock enabled

D05

R/W

LCC

0x1

LCD controller

0

Clock disabled

1

Clock enabled

D04

R/W

MCC

0x1

Memory controller

0

Clock disabled

1

Clock enabled

D03

R/W

PARBC

0x1

PCI arbiter

0

Clock disabled

1

Clock enabled

D02

R/W

PC

0x1

PCI

0

Clock disabled

1

Clock enabled

D01

R/W

Not used

0x0

Must be written to 0.

D00

R/W

MACC

0x1

Ethernet MAC

0

Clock disabled

1

Clock enabled

Table 185: Clock Configuration register

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