ICS94201FT View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
Manufacturer
ICS94201FT Datasheet PDF : 18 Pages
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ICS94201
Byte 7: Latch Inputs Readback Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
0 (Reserved)
0 (Reserved)
0 (Reserved)
X FS4#
X FS3#
X FS2#
X FS1#
X FS0#
Byte 9: Watchdog Timer Count Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
1
1
The decimal representation of these
8 bits correspond to 580ms or 2ms
1 (selectable by byte 13 bit 4) the
1 watchdog timer will wait before it
1 goes to alarm mode and reset the
1 frequency to the safe setting. Default
1
at power up is 256X 580ms = 148
seconds
1
Byte 11: Vender ID & Device ID Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
X
X
X
X
0
0
0
1
Device ID
Device ID
Device ID
Device ID
Vendor ID
Vendor ID
Vendor ID
Vendor ID
Description
Note: ICS Vendor ID is 0001 as in Number 1 in
frequency generation.
Notes:
1. PWD = Power on Default
Byte 8: VCO Control Selection Bit &
Watchdog Timer Control Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
0 0=Hw/B0 freq / 1=B14&15 freq
0 WD Enable 0=disable / 1=enable
0 WD Status 0=normal / 1=alarm
0 WD Safe Frequency, FS4
0 WD Safe Frequency, FS3
0 WD Safe Frequency, FS2
0 WD Safe Frequency, FS1
0 WD Safe Frequency, FS0
Note: FS values in bit [0:4] will correspond to Byte 0 FS
values. Default safe frequency is same as 00000 entry in
byte0.
Byte 10: ICS Reserved Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
0 (Reserved)
0 (Reserved)
0 (Reserved)
0 (Reserved)
0 (Reserved)
0 (Reserved)
0 (Reserved)
0 (Reserved)
Note: This is an unused register. Writing to this register will
not affect device performance or functionality.
Byte 12: Revision ID Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PWD
Description
X Revision ID
X Revision ID
X Revision ID
X Revision ID
X Device ID
X Device ID
X Device ID
X Device ID
Note: Device ID and Revision ID values will be based on
individual device and its revision.
7
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