W6692 Datasheet, PDF (17/104 Pages) Winbond – PCI Bus ISDN S/T-Controller

6. BLOCK DIAGRAM
The block diagram of W6692 is shown in Figure 6.1
Preliminary Data Sheet
W6692 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
PCI/MP Interface Circuit
Serial
EEPROM
Interface
PCM CODEC
Serial
EEPROM
PCI Bus/Microprocessor
FIG.6.1 W6692 FUNCTIONAL BLOCK DIAGRAM
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Publication Release Date: Sep 30, 1999
Revision 0.9