Thales Gemalto AGS2-E - Block Diagram

Audio Codec Adapter Setup for Cinterion
®
Modules
2.2 NAU8822 Audio Codec Adapter
33
 audio_codec_adapter_setup_v04 2019-10-16
Confidential / Released
Page 15 of 34
Commands are case insensitive, blanks are ignored.
Commands without "=" are typically status requests (i.e., READ commands), and commands
with "=" are assignments or settings (i.e., WRITE commands).
Commands must be terminated with at least "\r" = 0x0D (under Windows). End of line is entered
as "\r\n" = 0x0D, 0X0A (under Windows).
2.2.3 Block Diagram
Figure 5 shows a block diagram of the Audio Codec Adapter. For further details please refer to
the schematics given in chapter 5.
Figure 10: Block diagram
SINUS=<Hz>, <dur>
local/netw
Generates a sine wave to the headset (<local>) or module (<netw>). See also
Section 3.1.2.3.
DSP=detect Detects audio frequencies in local input signals. See also Section 3.1.2.4.
Reset Resets audio codec adapter
Table 2: Terminal mode commands
Command Description/Remark
RS232
Interface
DSB75
co nnector
MCU
DIP
switch
Ext.
I2C
Codec
Headphone
Microphone
Handset
UART
I2C
PCM/I2S
I2C
PCM/I2S
2 3
1
1
2
I2C:Eitherpath1orpath2isactivated.
CodecisworkingonlyinslavemodeforI2C
PCM/I2S:Eitherpath1orpath2orpath3isactivated.