HFC-Smini Cologne Chip AG, HFC-Smini Datasheet - Page 23

• Manufacturer Part Number: HFC-Smini
• Manufacturer: Cologne Chip AG

863 C ]Y^Y
[T4]
Figure 6: FIFOs, CHANNELs and SLOTs in Receive Direction
FIFOs
A PCM SLOT can be connected to a CHANNEL.
The PCM SLOT number for a FIFO can be selected by writing the desired SLOT number to its
timeslot selection register shown in the table above. Please note that only the *_SSL registers are
for transmit slots.
(FIFO#, bits 2..0)
Transparent
FIFO-No.
HDLC
Data
Data
'000'
'001'
'010'
'011'
'100'
'101'
'110'
'111'
Receive Channel
FIFO
Number
B1_SSL
B1_RSL
B2_SSL
B2_RSL
AUX1_SSL
AUX1_RSL
AUX2_SSL
AUX2_RSL
for FIFO
CHANNEL
Number
Register for
[R1]
Selection
Timeslot
Bit Count / Start Bit /
for Receive Channel
Processing
Channel
Mask Bits
Sub-
[R2]
Receive Channel
CONNECT
MEMORY
Select Data
Flow for
[R3]
see also: PCM Interface Function
Select PCM Slot No.
for Receive Channel
CHANNEL
[R4]
SLOT
Cologne
Chip
S/T
PCM