HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 92
![no-image](/images/no-image-200.jpg)
HFC-4S
Manufacturer Part Number
HFC-4S
Description
Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
Manufacturer
Cologne Chip AG
Datasheet
1.HFC-4S.pdf
(273 pages)
- Current page: 92 of 273
- Download datasheet (3Mb)
HFC-4S
HFC-8S
92 of 273
R_CHIP_ID
Chip identification register
3..0
7..4
R_CHIP_RV
HFC-4S / 8S revision
3..0
7..4
Bits
Bits
0
1
0
Value
Value
Reset
Reset
Name
V_PNP_IRQ
V_CHIP_ID
Name
V_CHIP_RV
(reserved)
(read only)
(read only)
Data Sheet
Data flow
Description
IRQ assigned by the PnP BIOS
Chip identification code
Description
(only in ISA PnP mode)
V_IRQ_SEL of the R_CIRM register must be set
to the value corresponding to the hardware
connected IRQ lines.
’1100’ means HFC-4S,
’1000’ means HFC-8S.
Chip revision 1
(Engineering samples were revision 0.)
March 2003 (rev. A)
Cologne
Chip
0x1F
0x16
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