ICS94228 Datasheet, PDF (8/17 Pages) Integrated Circuit Systems – Programmable System Clock Chip for AMD - K7™ processor

ICS94228
Byte 7: Vendor ID2, Active/Inactive Register
(1= enable, 0 = disable)
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PIN#
-
-
-
-
-
-
-
-
PWD
DESCRIPTION
0 Revision ID
0 Revision ID
0 Revision ID
0 Revision ID
1 Revision ID
1 Revision ID
0 Revision ID
0 Revision ID
Byte 9: VCO Frequency Control Register
(1= enable, 0 = disable)
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PIN#
-
-
-
-
-
-
-
-
PWD
DESCRIPTION
X VCO Divder Bit 0
X REF Divder Bit 6
X REF Divder Bit 5
X REF Divder Bit 4
X REF Divder Bit 3
X REF Divder Bit 2
X REF Divder Bit 1
X REF Divder Bit 0
Byte 11: VCO Spread Spectrum Control Register
(1= enable, 0 = disable)
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PIN#
-
-
-
-
-
-
-
-
PWD
DESCRIPTION
X Spread Spectrum Bit 7
X Spread Spectrum Bit 6
X Spread Spectrum Bit 5
X Spread Spectrum Bit 4
X Spread Spectrum Bit 3
X Spread Spectrum Bit 2
X Spread Spectrum Bit 1
X Spread Spectrum Bit 0
Byte 8: Byte Count Register
(1= enable, 0 = disable)
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PIN#
-
-
-
-
-
-
-
-
PWD
DESCRIPTION
0 Reserved
0 Reserved
0 Reserved
0 Reserved
1 Reserved
0 Reserved
0 Reserved
0 Reserved
Byte 10: VCO Frequency Control Register
(1= enable, 0 = disable)
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PIN#
-
-
-
-
-
-
-
-
PWD
DESCRIPTION
X VCO Divider Bit 8
X VCO Divider Bit 7
X VCO Divider Bit 6
X VCO Divider Bit 5
X VCO Divider Bit 4
X VCO Divider Bit 3
X VCO Divider Bit 2
X VCO Divider Bit 1
Byte 12: VCO Spread Spectrum Control Register
(1= enable, 0 = disable)
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PIN#
-
-
-
-
-
-
-
-
PWD
DESCRIPTION
X Reserved
X Reserved
X Reserved
X Spread Spectrum Bit 12
X Spread Spectrum Bit 11
X Spread Spectrum Bit 10
X Spread Spectrum Bit 9
X Spread Spectrum Bit 8
0447E—05/07/04
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