XC2000 datasheet(125/647 Pages) INFINEON

125 / 647 page

XC2000 Derivatives

System Units (Vol. 1 of 2)

Memory Organization

Preliminary

User’s Manual

3-63

V1.0, 2007-06

MemoryX2K, V1.1

3.10.2.2

System Control Registers

These registers are used to wakeup and shutdown parts of the memory sub-system.

Memory Kernel Configuration

This register controls the shutdown request of the processor sub-system units DMU,

PMU, IMB and EBC (see “Processor Sub-System Shutdown” on Page 3-67). The

layout of this register is identical to the other KSCCFGs but only the field COMCFG may

be used. Two values of this field might be used: 00B means that the “Clock-off Mode”

does not trigger a shutdown of the processor sub-system. This may be used only if the

system clock of DMP_1 is not disabled in the “Clock-off Mode”.

The second useful value is 10B. This value must be used in all cases when the “Clock-

off Mode” is accompanied by disabling the system clock of the DMP_1. In this case the

sequence described in “Processor Sub-System Shutdown” on Page 3-67 must be

performed.

This register gets is reset by an Application Reset. Attention: the reset value of

COMCFG is 00B.

Table 3-8

Registers Address Space

Module

Base Address

End Address

Note

SCU

0000H

0FFFH

SCU Module

Table 3-9

Registers Overview

Name

Offset

Address

Page Number

MEM_KSCCFG Memory Kernel Control

F012H

Page 3-63

FL_KSCCFG

Flash Kernel Control

FE22H

Page 3-64

MEM_KSCCFG

Memory Kernel State Con

ESFR (F012H/06H)

Reset Value: 0001H

543

210

COM

–

COMCFG

–

–––

––

–

–––

––

Field

Bits

Type

Description

Has to be written to 1.

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