PSB 21373 H V1.1 Infineon Technologies, PSB 21373 H V1.1 Datasheet - Page 209
PSB 21373 H V1.1
Manufacturer Part Number
PSB 21373 H V1.1
Description
IC SPEECH AND VOICE MQFP-44
Manufacturer
Infineon Technologies
Series
SCOUT™r
Datasheet
1.PSB_21373_H_V1.1.pdf
(242 pages)
Specifications of PSB 21373 H V1.1
Function
CODEC
Interface
IOM-2, SCI
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
97.5mA
Mounting Type
Surface Mount
Package / Case
44-BQFP
Includes
Activation and Deactivation, Channel Handler, DTMF / Tone / Ringing Generator, HDLC Controller, Speakerphone, Voice Monitoring
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Operating Temperature
-
Other names
PSB21373HV1.1XT
PSB21373HV11XT
SP000007602
PSB21373HV11XT
SP000007602
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Data Sheet
7.4
7.4.1
Value after reset: 00
GCR
SP
0: Speakerphone support disabled
1: Speakerphone support enabled
AGCX
0: Automatic gain control disabled
1: Automatic gain control enabled; only if speakerphone support is enabled (SP=1)
AGCR
0: Automatic gain control disabled
1: Automatic gain control enabled; only if speakerphone support is enabled (SP=1)
MGCR
0: AGCR starts regulation down of the attenuation immediately, regulation up is done
1: AGCR starts regulation up and down after speech was detected two times
CME
0: Controlled monitoring disabled
1: Controlled monitoring enabled. ALS attenuation is fixed to the value determined by
Note: If transmit speech is detected and LSC > -9.5 dB, the ALS programming is fixed
PU
0: The codec is in standby mode (power-down); all registers and the coefficient RAM
1: The codec is in normal operation mode (power-up)
ATT2R
ATT1R
0: Attenuation value for the conferencing loop is 0 dB
after speech was detected two times
the ATCR.CMAS setting.
contents are saved and all interface functions are available
to -9.5 dB
7
Codec Configuration Registers
General Configuration Register (GCR)
SP
... Speakerphone
... Automatic Gain Control Transmit
... Automatic Gain Control Receive
... Modified Gain Control Receive
... Controlled Monitoring Enable (GCR.SP = ’1’)
... Power Up
... Attenuation of the Receive Channel related to Transmit Channel 2
... Attenuation of the Receive Channel related to Transmit Channel 1
AGCX AGCR MGCR CME
H
209
PU ATT2R ATT1R
0
RD/WR (60
PSB 21373
2002-05-13
H
)
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