IBASE SMARC-EVK1 - Manual (Page 42)

16 SMARC Evaluation Kit
4.2.11. I2S Interface
I2S signals
Pin Signal Name I/O Type Power Rail Description
S39 AUD3_TXFS I/O CMOS 3.3V Left& Right audio synchronization clock
S40 AUD3_TXD O CMOS 3.3V Digital audio Output
S41 AUD3_RXD I CMOS 3.3V Digital audio Input
S42 AUD3_TXC I/O CMOS 3.3V Digital audio clock
S38 AUD_MCLK O CMOS 3.3V Master clock output to Audio codecs
Reference Schematic
* Note: ( Audio codec with I2S interface is strongly suggested for your carrier board design; please
kindly to be noticed that SPDIF interface was not verified in RM-F6xx-SMC + RP-100-SMC carrier board)
U14
WM8962ECSN
AVDD D6
DCVDD G2
DBVDD G3
CPVDD C6
SPKVDD1 A2
SPKVDD2 C2
MICVDD A3
PLLVDD G4
IN1L C4
IN1R D4
IN2L D5
IN2R E5
IN3L F5
IN3R F6
IN4L E6
IN4R E7
SCLK F1
SDA E2
CIFMODE F2
BCLK E1
LRCLK D3
DACDAT D1
ADCDAT D2
MCLK/XTI G7
XTO F7
AGND D7
DGND F3
CPGND C7
SPKGND1 B1
SPKGND2 C1
PLLGND G5
HPOUTL B5
HPOUTR A5
HPOUTFB B4
SPKOUTLN B3
SPKOUTLP A1
SPKOUTRN C3
SPKOUTRP B2
CPCA B6
CPCB B7
CPVOUTN A7
CPVOUTP A6
CLKOUT2/GPIO2 E4
CLKOUT3/GPIO3 F4
GPIO5 G1
CS/GPIO6 E3
CLKOUT5 G6
VMIDC C5 MICBIAS A4
DACDAT1
ADCDAT1
BCLK1
LRCLK1
C90 1UF/16V/4
FB8 FB_100 ohm_3A
R99
20/4
C107 2.2UF/16V/6
+3.3V_VCC
C108 2.2UF/16V/6
GND_ANALOG
SPKRN
+1.8V_VCC
R86 10K/4 MIC_DET
GND_ANALOG
GND_ANALOG
GND_ANALOG
GND_ANALOG
R97 200K/4
MIC_DET
FB18
FB_120 ohm_2.5A
GND_ANALOG
Q12
IRLML6401TRPBF
G
D S
TP8
C109 4.7UF/16V/6
FB5
FB_120 ohm_2.5A
R84 0/4
+1.8V_AUD
1.8V/0.3mA
GND_CASE_A
GND_ANALOG
Q15
IRLML6401TRPBF
G
D S
+1.8V_AUD
AUD_PWR_ON
R85 0/4
HP_DET
+1.8V_AUD
AUD_I2C_SDA
CPCA
SPKLP
SPKRP
C88 1UF/16V/6
C184
100PF/50V/4
SPKRP
GND_ANALOG
FB9 FB_100 ohm_3A
SPKRN
SPKLN
R93
10K/4
AUD3_MCLK
FB7 FB_100 ohm_3A FB6 FB_100 ohm_3A
CPCB
CPVOUTN
CPVOUTP
HPOUTR
place as close as
possible to AGND ball
SPKOUTLN
SPKOUTLP
HP_R
SPKOUTRN
SPKOUTRP
MIC_IN
HPOUTL HP_L
AUD_I2C_CLK
IN1R
Q13
IRLML6401TRPBF
G
D S
HDA_RST# 13
+5V_SPK
FB4 FB_120 ohm_2.5A
BCLK1
LRCLK1
MIC_IN
DACDAT1
ADCDAT1
AUD_I2C_SDA AUD_I2C_CLK
U13
TXB0108PW
A1 1
A2 3
GND 11
A3 4
A4 5
VCCA 2
OE 10
B1 20
B2 18
B3 17
B4 16
VCCB 19
A5 6
A6 7
A7 8
A8 9
B5 15
B6 14
B7 13
B8 12
C86 0.1UF/10V/4
Q14
2N7002 G
D
S
AUD_PWR_ON
+1.8V_AUD
SPKLP
C79 0.1UF/10V/4
I2C1_SCL_1V8 13
C70 0.1UF/10V/4
GND_ANALOG
FB13 FB_100 ohm_3A
FB12
FB_120 ohm_2.5A
R87 10K/4
+1.8V_AUD
RS11
Short PAD6
C92
4.7UF/16V/6
HPOUTL
+3.3V_AUD
C93 2.2UF/6.3V/6
1.8V/14.5mA
C114
0.1UF/10V/4
+5V_SPK
HP_DET
+3.3V_AUD
+3.3V_VCC
R128 0/4/X
HP_DET_R
+3.3V_AUD
C185
100PF/50V/4
C91 4.7UF/6.3V/6
R95
0/4/X
TP7
1.8V/0.2mA
R100
20/4
GND_ANALOG
R98 200K/4
HPOUTR
C115
0.1UF/10V/4
C112
1UF/16V/6
AUD_PWR_ON
CN14
E-CALL_0110-26110050
1 1
2 2
3 3
4 4
5 5
+1.8V_AUD
AUD3_MCLK 13
HP_L
HP_DET_R 13
+5V_VCC
1.8V/5.4mA
GND_ANALOG
MIC_DET_R
MIC_DET_R
HP_DET_R
FB15 FB_100 ohm_3A MICBIAS MICBIAS2_RAW MIC_RAW MIC
MICBIAS2_FLT FB3 FB_100 ohm_3A
C102
0.1UF/10V/4
HP_R
3.3V/0.4mA
R105 0/4/X
C84 4.7UF/6.3V/6
I2C1_SDA_1V8 13
R94 10K/4
AUD3_TXC 13
GND_ANALOG
FB10
FB_120 ohm_2.5A
SPKLN
MIC_DET
C186
100PF/50V/4
R101 2.2K/6
1.8V/59.6mA
R96 0/4 MIC_RAW
U19
SN74LVC1G14DCKR
2 4
5
3
1
MIC_DET_R 13
AUD3_TXFS 13
GND_ANALOG
+1.8V_AUD
Pink
Lime
CN18
FOXCONN_JA23331-HA6Q-4F(E)
H1
H2
H3
H4
22
23
24
25
1
2
3
4
5
1
AUD3_TXD 13
GND_ANALOG
AUD3_RXD 13
C101 2.2UF/16V/6
+1.8V_AUD
C111 4.7UF/6.3V/6
MICBIAS2_RAW
5V/532.7mA
FB14 FB_100 ohm_3A
HP_DET