ICS94235 Datasheet, PDF (8/19 Pages) Integrated Circuit Systems – PROGRAMMABLE SYSTEM CLOCK CHIP FOR AMD-K7 TM PROCESSOR

ICS94235
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
0 Vendor ID
0 Vendor ID
1 Vendor ID
X Revision ID
X Revision ID
X Revision ID
X Revision ID
X Revision ID
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
0 Reserved
0 Reserved
0 Reserved
0 Reserved
1 Reserved
0 Reserved
0 Reserved
0 Reserved
Description
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
0
0 The decimal representation of these
0 ^{8 bits correspond to how many}
1
0
290ms the watchdog timer will wait
before it goes to alarm mode and
reset the frequency to the safe
0 _{setting. Default at power up is}
0 16X 290ms = 4.64 seconds.
0
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
0
0
0
1
0
0
0
0
Description
0=Hw/B0 freq / 1=B11 & 12 freq
WD Enable 0=disable / 1=enable
WD Status 0=normal / 1=alarm
WD Safe Frequency, Byte 0 bit 2
WD Safe Frequency, FS3
WD Safe Frequency, FS2
WD Safe Frequency, FS1
WD Safe Frequency, FS0
Bit PWD
Description
Bit 7 X VCO Divider Bit0
Bit 6 X REF Divider Bit6
Bit 5 X REF Divider Bit5
Bit 4 X REF Divider Bit4
Bit 3 X REF Divider Bit3
Bit 2 X REF Divider Bit2
Bit 1 X REF Divider Bit1
Bit 0 X REF Divider Bit0
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
X VCO Divider Bit8
X VCO Divider Bit7
X VCO Divider Bit6
X VCO Divider Bit5
X VCO Divider Bit4
X VCO Divider Bit3
X VCO Divider Bit2
X VCO Divider Bit1
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