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ELANSC520 Datasheet(PDF) 53 Page - Advanced Micro Devices

Part # ELANSC520
Description  Microcontroller
PDF  440 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

ELANSC520 Datasheet(HTML) 53 Page - Advanced Micro Devices

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Élan™SC520 Microcontroller Register Set Manual
4-1
CHAPTER
4 Am5X86® CPU REGISTERS
4.1
OVERVIEW
This chapter describes the Am5x86® CPU configuration registers of the ÉlanSC520
microcontroller.
Am5x86 CPU includes a 16-Kbyte unified write-back cache and an integrated floating-point
unit (FPU). The Am5x86 CPU operates at 100 or 133 MHz.
The Am5x86 CPU configuration register set consists of two memory-mapped configuration
region (MMCR) registers used to control some of the Am5x86 CPU features and read the
ÉlanSC520 microcontroller revision ID. See the
Élan™SC520 Microcontroller User’s
Manual, order #22004, for details about the Am5x86 CPU.
Table 4-1 lists the Am5x86 CPU configuration registers in offset order, with the
corresponding description’s page number.
This chapter does not document Am5x86 processor registers.
4.2
REGISTERS
Table 4-1
Am5x86® CPU MMCR Registers
Register Name
Mnemonic
MMCR Offset
Page Number
ÉlanSC520 Microcontroller Revision ID REVID
00h
page 4-2
Am5x86® CPU Control
CPUCTL
02h
page 4-3



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