HFC-U Cologne Chip AG, HFC-U Datasheet - Page 12

• Manufacturer Part Number: HFC-U
• Description: Isdn HDLC Basic Rate Controller
• Manufacturer: Cologne Chip AG

2.9
2.10
C4IO and F0IO are inputs are reset.
The lines F1_A and F1_B are '0'.
Registers which are cleared are explained in the register section of this data sheet.
March 1997
19, 30, 41, 42, 51, 61, 84, 89
20, 29, 33, 39, 40, 45, 47, 49,
52, 62, 73, 81, 90, 93
All power supply pins VDD and GND must be directly connected to each other.
To keep VDD and GND bounce to a minimum a bypass capacitor (10 nF to 100 nF) should be
placed between each pair of VDD/GND pins.
important!
Power supply
RESET characteristics
Pin No.
VDD
GND
Pin Name
Function
VDD (+3V to +5V)
GND
HFC-U
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