IDTTM Frequency Generator with 200MHz Differential CPU Clocks

0542

K—03/23/16

ICS950812

Frequency Generator with 200MHz Differential CPU Clocks

20

Pin #

Name

0

1

PWD

Bit 7

35

FS4

Frequency Selection

RW

Disable

Enable

X

Bit 6

33

FS5

Frequency Selection

RW

Disable

Enable

X

Bit 5

33

3V66_0/FS5**

Output control

RW

Disable

Enable

1

Bit 4

35

3V66_1/VCH_CLK/FS4**

Output control

RW

Disable

Enable

1

Bit 3

24

66MHZ_IN/3V66_5

Output control

RW

Disable

Enable

1

Bit 2

23

66MHZ_OUT2/3V66_4

Output control

RW

Disable

Enable

1

Bit 1

22

66MHZ_OUT1/3V66_3

Output control

RW

Disable

Enable

1

Bit 0

21

66MHZ_OUT0/3V66_2

Output control

RW

Disable

Enable

1

Type

Control Function

Affected Pin

BYTE

4

Bit Control

Pin #

Name

0

1

PWD

Bit 7

X

-

Unused

-

-

-

0

Bit 6

X

-

Reserved

X

-

-

0

Bit 5

X

3V66(5:2)/66MHZ_OUT(2:0)

(See table 6)

Allow control of output with

assertion of CPU_STOP#.

X

Freerun

Not

Freerun

0

Bit 4

X

3V66(1:0) (See table 7)

Allow control of output with

assertion of CPU_STOP#.

X

Freerun

Not

Freerun

0

Bit 3

RW

-

-

0

Bit 2

RW

-

-

0

Bit 1

RW

-

-

0

Bit 0

RW

-

-

0

Note:

Control Function

00 = Medium (default), 01 = Low,

11,10 =High

Type

38

48MHz_DOT Slew Control

Affected Pin

BYTE

5

Functions in Byte 5 of CK408 were intended as a test and debug byte only.

00 = Medium (default), 01 = Low,

11,10 =High

Bit Control

48MHz_USB Slew Control

39

Pin #

Name

0

1

PWD

Bit 7

X

Revision ID Bit 3

R

-

-

X

Bit 6

X

Revision ID Bit 2

R

-

-

X

Bit 5

X

Revision ID Bit 1

R

-

-

X

Bit 4

X

Revision ID Bit 0

R

-

-

X

Bit 3

X

Vendor ID Bit 3

(Reserved)

R

-

-

0

Bit 2

X

Vendor ID Bit 2

(Reserved)

R

-

-

0

Bit 1

X

Vendor ID Bit 1

(Reserved)

R

-

-

0

Bit 0

X

Vendor ID Bit 0

(Reserved)

R

-

-

1

Revision ID Value Based on

Device Revision

Control Function

Type

Bit Control

Affected Pin

BYTE

6

Pin #

Name

0

1

PWD

Bit 7

X

-

Unused

R

-

-

0

Bit 6

X

-

Unused

R

-

-

0

Bit 5

X

-

Unused

R

-

-

0

Bit 4

X

-

Unused

R

-

-

0

Bit 3

X

-

Unused

R

-

-

0

Bit 2

X

-

Unused

R

-

-

0

Bit 1

X

-

Unused

R

-

-

0

Bit 0

X

-

Unused

R

-

-

0

Type

Control Function

Bit Control

Affected Pin

BYTE

7

Pin #

Name

0

1

PWD

Bit 7

X

-

(Reserved)

X

-

-

0

Bit 6

X

-

(Reserved)

X

-

-

0

Bit 5

X

-

(Reserved)

X

-

-

0

Bit 4

X

-

(Reserved)

X

-

-

0

Bit 3

X

-

R

-

-

1

Bit 2

X

-

R

-

-

1

Bit 1

X

-

R

-

-

1

Bit 0

X

-

R

-

-

1

Note: Byte 8 is for ICS test only. Do not write as system damage may occur. Bit(3:0) contain the readback Byte count.

Bit Control

Affected Pin

Control Function

Readback Byte Count

Type

BYTE

8