Le79228
Data Sheet
Le79228 Quad ISLAC™ Device Internal Block Diagram (80-Pin LQFP)
IREF VREF
MCLK
VHL1
VLB1
Clock and
Reference
Circuits
FS/DCL
VOUT1
PCLK/FS
VIN1
VSAB1
VIMT1
Ch 1
Converter
Block
PCM
and
GCI
Interface
and
Time Slot
Assigner
DXA/DU
DRA/DD
TSCA/G
VILG1
GS1
DXB
DRB
GS2
XSB1
TSCB
DCLK/S0
DIN/S1
DOUT
Ch 2
(Same as Ch 1)
GCI Control
Logic and
Microprocessor
Interface
Digital
Signal
Processor
CS/RST
INT
I/O1
I/O2
I/O3
I/O4
Ch 3
(Same as Ch 1)
LD1
LD2
LD3
LD4
790 Series SLIC
Control
Ch 4
(Same as Ch 1)
Logic
P1
P2
P3
XSC
SHB
Common
External
Sense
SLB
SPB
Inputs
5
Zarlink Semiconductor Inc.