LPC47M192 datasheet(186/228 Pages) SMSC

186 / 228 page

SMSC DS – LPC47M192

Page 186

Rev. 03/30/05

DATASHEET

10.3.1.1

Registers 3Eh-4Fh

NAME/DEFAULT

OFFSET

(hex)

DESCRIPTION

Company ID

Default=0x55 on

HVCC POR and

Initialization

(R)

Bits[7:0] This location contains the identification number which will

be used by software to determine analog voltage curves.

Stepping Number

and Version

Default=0x20 on

HVCC POR and

Initialization

(R)

Bits[7:0] This location contains the stepping number of the part in

the lower four bits of the register [3:0]. The upper four bits reflect

the Version Number [7:4]. The Hardware Monitor Block has a

version number (Bits[7:4]) of 0010.

For the A0 stepping of

Hardware Monitor Block, this register will read 0010 0000.

Configuration

Default = 0x08

on HVCC POR

and Initialization

(R/WC)

Bit[4] is

self-clearing

Bit[0] Start

Logic 1 enables startup of monitor block, logic 0 places the block

in the low power mode selected by bit 0 of the Special Function

begins. Note, all HIGH and LOW LIMITS should be set into the

ASIC prior to turning on this bit.

Bits[3:1] Reserved

Bit[4] Reset

Setting this bit generates a minimum 20 ms low pulse on the

Reset pin, if the function is enabled. (See VID Register).

This bit is self-clearing.

Bit[5] +12/VID4 Select

Selects whether pin 10 acts as a 12 Volt Analog Input monitoring

pin, or as a VID[4] input. This pin defaults to the 12 Volt Analog

Input.

Bit[6] Reserved

Bit[7] Initialization

Logic 1 restores powerup default values to the Configuration

clears itself since the power on default is zero.

LPC47M192 Datasheet(PDF) 186 Page - SMSC Corporation

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