W66910 Datasheet, PDF (14/81 Pages) Winbond – TE Mode ISDN S/T-Controller with Microprocessor Interface

6. BLOCK DIAGRAM
The block diagram of W66910 is shown in Figure 6.1
Data Sheet
W66910 PCI ISDN S/T-Controller
4-wire S/T
2B+D
Line
Transceiver
&
AMI/BIN
Conversion
Serial
Interface
Bus
(SIB)
B2
B1
D
B-channel Switching
GCI Bus
Crystal/Oscillator
(7.68 MHz)
POTS
circuit
GCI
Circuit
2B+D
DPLL and Timing Generator
Peripheral Control
D
HDLC
Controller
B1
HDLC
Controller
B2
HDLC
Controller
PCM
Port
FIFO
FIFO
FIFO
MP Interface Circuit
PCM CODEC
Microprocessor
FIG.6.1 W66910 FUNCTIONAL BLOCK DIAGRAM
-14 -
Publication Release Date: Feb,2001
Revision 1.0