PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 78

• Manufacturer Part Number: PSB7238
• Description: Joint Audio Decoder-Encoder - Multimode
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
C/I Channel Data Transfer
The block diagram of the C/I channel handler is shown in Figure 37.
Figure 37
*)
C/I channels 1,2:
Read of the old changed value is the condition of loading of a new changed value. Thus, when several changes
occur before the first changed value has been read, only the first and the last change are available.
DCL(/2)
FSC
CIEN
CIL CICH
Time-slot
Count
Logic
1
Strobe
4
DLL
CIC int status
Load
Compare
Clock
logic
*)
Load
78
Read
6 bits
6 bits
Shift Register
Shift Register
Previous
Current
DSP or
Host
CIR
CIX
DSP or
Host
6
6
0
0
1
AWK
M
U
X
Data Sheet 1998-07-01
Functional Blocks
SLIN
SLIN
M
U
X
M
U
X 1
1
0
1
0
1
CIEN*Strobe+AWK
PSB 7238
1
DD
DU
DU
DD