PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 106

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

Semiconductor Group
Monitor Channel Transmit/Receive Register
Value after reset: 00
MONX
MONR
C/I Channel Mode Register
Value after reset: 00
CIEN1, 2
AWK1, 2
Monitor Transmit Register (write)
Value of monitor byte to be transmitted.
Monitor Receive Register (read)
Value of received monitor channel byte. A read of this register enables
the automatic acknowledgement of the received byte.
C/I Channel 1,2 Enable
0:
1:
Awake for C/I channel 1,2
0:
1:
Note: When AWK is set to ‘1’ the line (DD or DU) is immediately pulled
H
H
low (non-synchronously with clock). When AWK is set to ‘0’ , the
line is “set free” only after the next rising edge of FSC is detected.
One should avoid setting AWK to ‘0’ just when a rising edge on
FSC is expected.
Transmission of C/I channel disabled.
(channel in high impedance).
Transmission of C/I channel enabled
C/I channel normal operation
A “low” is unconditionally sent on the line programmed for C/I
transmit channel.
106
Read/Write
Read/Write
Register Description
Data Sheet 1998-07-01
Address 2024
Address 2025
PSB 7238
H
H