Connectors And Functionality Of The Ts4657 Audio Card; I 2 S Audio Connector P1; Mono Jack Connector J4 And The Onboard Speaker U6; Table 3. I 2 S Audio Connector Pins Description Of The Ts4657 Audio Card - ST STM32 User Manual

UM0722
9 Connectors and functionality of the TS4657 audio
card
2
9.1 I S audio connector P1
The P1 connector is used to interconnect the STM32F103 controller board and the TS4657
audio card. This connector is functionally compatible with the P2 connector described in
Section 8.1.
Table 3.
Pin
1 GND
2 +5V0
Microphone
3
shutdown
G0 gain select for
4
TS2012
Analog output
5 from microphone
preamplifier
Figure 14. I
9.2

Mono jack connector J4 and the onboard speaker U6

The mono jack audio connector J4 is connected to the output of the TS4962 Class-D mono
audio amplifier U3. The amplifier drives either the onboard speaker or the J4 mono jack
www.BDTIC.com/ST

Connectors and functionality of the TS4657 audio card

2
I S audio connector pins description of the TS4657 audio card
Signal Pin Signal
G1 Gain select for
6
TS2012
V +3.3 V
CCA
supply voltage for
7
microphone
domain
TS4657 LRCLK
8
2
I S signal
GNDA ground for
9 microphone
domain
TS4657 BCLK I
10
signal
2

S audio connector of the TS4657 audio card - schematic

GND
MICRO_SHDN
MICRO_OUT
V CCA
GNDA
STBY_R
STBY_L
DAC_STBY
SPK_STBY
GND
Doc ID 15867 Rev 1
Pin Signal
Right channel
11 mute for
TS2012
TS4657 SDAT
12
2
I S signal
Left channel
13 mute for
TS2012
TS4657 MCLK
2
14 I S signal
(master clock)
2
S Standby for
15
TS4657
5 V
P1
1 2
G0
3 4
G1
5 6
DAC_LRCLK
7 8
DAC_BCLK
9 10
DAC_SDAT
11 12
DAC_MCLK
13 14
DAC_FMT2
15 16
DAC_FMT1
17 18
19 20
Pin Signal
Data format selection
16
FMT2 for TS4657
Standby for TS4962
17 (onboard speaker
and mono jack)
Data format selection
18
FMT1 for TS4657
19 GND
20 NC
AM00483
17/46