User's Manual l MBa335x UM 0202 l © 2018, TQ-Systems GmbH
Page 34
Some signals of the MCASP interface share functions with the EMU interface. The interface is selected with the assembly options
in Table 70 to Table 72. Two signals of the TQMa335x are available as audio-clock, which are selected by assembly option (see
section 4.2.12).
Table 59:
Configuration of Line-Out or Headphone, X21
Clock
R2203
R2205
Remark
CLKOUT.1
0 Ω
NP
Default
CLKOUT.2
NP
0 Ω
–
Illustration 30:
Position of audio jacks X19, X20, and X21
Table 60:
Audio, component
Manufacturer / Number
Description
Yamaichi / LJE3530K
Jack 3.5 mm
Table 61:
Pinout microphone, X19
Pin
Pin name
Signal
Dir.
Remark
1
Ground
AGND_AUDIO
P
2A, 2B
Left
MIC_IN
I
2.2 kΩ in series to MI ESD protection
3
Right
AGND_AUDIO
I
10 kΩ in series, right channel not used (only mono)
Table 62:
Pinout line-in, X20
Pin
Pin name
Signal
Dir.
Remark
1
Ground
AGND_AUDIO
P
2A, 2B
Left
LINE_IN_L
I
470 nF in ESD protection
3
Right
LINE_IN_R
I
470 nF in ESD protection
Table 63:
Pinout line-out, X21
Pin
Pin name
Signal
Dir.
Remark
1
Ground
AGND_AUDIO
P
2A, 2B
Left
AUDIO_OUT_L
O
1 µF and 100 Ω in 47 nF to AGND ESD protection
optional connection to HP_L is possible
3
Right
AUDIO_OUT_R
O
1 µF and 100 Ω in 47 nF to AGND ESD protection
optional connection to HP_R is possible
X20 X19 X21
