HFC-SP Cologne Chip AG, HFC-SP Datasheet - Page 22

• Manufacturer Part Number: HFC-SP
• Description: Isdn S/t HDLC Basic Rate Controller
• Manufacturer: Cologne Chip AG

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3.2.3.2 Interrupt configuration registers
3.2.4 Writing the Plug and Play configuration EEPROM
The EEPROM Writing Spec. is only available on special request to avoid destruction of configuration
information by not authorized programs or software viruses.
"" _V (#
register address
Plug and Play
configuration
*
All registers not implemented return 00h when read except the DMA configuration registers 74h
and 75h. These two registers return 04h when read. This means no DMA channel has been
selected.
important!
70h
71h
Write
Read
r/w
r/w
Accessable in state
Config state
Config state
IRQ select configuration register 0.
Bits[3:0] specify the sleceted IRQ number.
Bits[7:4] are reserved.
IRQ type configuration register 0.
Bits[1:0] are ignored.
Bits[7:2] are reserved.
Description
:Q^eQbi " !
Cologne
Chip