psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 13

• Manufacturer Part Number: psb21391
• Description: Siemens Codec With Upn Transceiver
• Manufacturer: Infineon Technologies Corporation

IOM-2
IOM-2 Interface
Monitor channel
programming
C/I channels
Layer 1 state machine
State machine in software
IDSL (144kBit/s)
HDLC support
FIFO size
Undervoltage detection
Reset Sources
Pulse width output LCD
contrast
Codec
Analog inputs
Band gap reference
Max. AFE gain transmit
(guaranteed transmission
characteristics)
Analog gain steps earpiece
Data Sheet
SCOUT
bit clock pin (BCL),
serial data strobe 1 (SDS1)
serial data strobe 2 (SDS2/
RSTO)
Provided
(MON0 or 1 or 2)
CI0 (4bit),
CI1 (4/6bit)
Possible
Provided (HDLC, SDS)
D- and B- channels;
Non-auto mode,
transparent mode 0-2,
extended transparent mode
programmable FIFO
thresholds
Provided
RST Input
VDDDET
Watchdog
C/I Code Change
EAW Pin
Software Reset
Not provided
36 dB differential inputs
24 dB single ended input
Double clock (DCL),
Equivalent to SmartLink
64 bytes per direction with
1 single ended, 2 differential 1 single ended, 2 differential
Externally buffered
3 dB
3
SmartLink -P / ARCOFI
Double clock (DCL),
bit clock (BCL),
serial data strobe (SDS)
Not provided
CI0 (4bit),
CI1 (Status of 3bit)
Not possible
Not provided
D- channel protocol
2x4 bytes per direction
Provided
RST Input
VDDDET
Watchdog
Provided
Internally buffered
42 dB differential inputs
24 dB single ended input
6 dB
PSB 21391
PSB 21393
2001-03-07
Overview