STLC5466 Datasheet, PDF (93/130 Pages) STMicroelectronics – 64 CHANNEL-MULTI HDLC WITH N X 64KB/S SWITCHING MATRIX ASSOCIATED

Figure 1-11: From ISDN channels to GCI channels
STLC5466
TDM 0, 2
if PCM at
4 Mb/s
DESCRAMBLER
up to 32
SWITCHING
MATRIX
B1, B2
B1, B2
SCR
by timeslot
D
GCI side
DOUT4/5
B1, B2
(16 bits)
A, E, S1 to S4
C/I
A, E, MON
AIS
Detection
up to 16
ISDN channels
Extension RX
C/I controller
up to 16
ISDN channels
TX C/I
controller
up to 16
primitives
TX MON
controller
up to 16
primitives
Interrupt controller
C/I interrupt Queue,
located in shared memory
Microprocessor
93/130