IDTCV193 View Datasheet(PDF) - Integrated Device Technology

Part Name

Description

Manufacturer

IDTCV193

PROGRAMMABLE FLEXPC LP/S CLOCK FOR INTEL BASED SYSTEMS

Integrated Device Technology 

IDTCV193

PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR

COMMERCIAL TEMPERATURE RANGE

BYTE 15, WATCH DOG(1)

Bit

Output(s) Affected

Description / Function

0

1

7

Watch Dog Enable

Watch Dog Alarm Enable

Disabled

Enabled

6

Watch Dog Select

Watch Dog Hard/Soft Alarm Select Hard Alarm Only Hard and Soft Alarm

5

Watch Dog Hard Alarm Status Watch Dog Hard Alarm Status

Normal

Alarm

4

Watch Dog Soft Alarm Status Watch Dog Soft Alarm Status

Normal

Alarm

3

Watch Dog control

Watch Dog Time Base Control 290ms base

1160ms base

2

WD_1_ Timer 2

WatchDog_1_Alarm Timer

1

WD_1_ Timer 1

Default is 7*290ms

0

WD_1_ Timer 0

NOTE:

1. Hard Alarm switch to HW FS frequency.

Type

RW

RW

R

R

RW

RW

RW

RW

Power On

0

0

0

1

1

1

BYTE 16

Bit Output(s) Affected

Description / Function

Set Byte15 bit7 = 1 after Power Down

7

WDEAPD

to enable the watch dog after the power down

6

Reserved

5

Reserved

4

Test _scl

N programming

3

Enable

2

Reserved

1

Reserved

0

CPUN8

On chip test mode enable

0

1

Type Power On

Disabled

normal

Disabled

Enabled

RW

RW

RW

SCLK=1, clk

outputs = 1

SCLK=0, clk outputs=0 RW

Enabled

RW

RW

RW

RW

0

0

0

0

0

0

0

FS latch

BYTE 17 (PLL1)

Bit Output(s) Affected

7

CPUN7

6

CPUN6

5

CPUN5

4

CPUN4

3

CPUN3

2

CPUN2

1

CPUN1

0

CPUN0

Description / Function

CPU clock frequency =

CPUN [8:0]

(Hex)

0

1

Type Power On

RW

RW

RW

RW

FS latch

RW

RW

RW

RW

IDT CONFIDENTIAL

11

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