PSB 21373 H V1.1 Infineon Technologies, PSB 21373 H V1.1 Datasheet - Page 209

• Manufacturer Part Number: PSB 21373 H V1.1
• Description: IC SPEECH AND VOICE MQFP-44
• Manufacturer: Infineon Technologies
• Series: SCOUT™r

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

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
)