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BCKO
LRCKO
DOUT
SCKO
DOUT1
DOUT2
DOUT1
DOUT2
SCKI
SCKI
BCK
BCK
LRCK
LRCK
DIN[1:4]
DIN[1:4]
SCKI
BCK
BCK
SCKI
LRCK
LRCK
MUTE
MUTE
MCLKOUT
BCLKOUT
LRCKOUT
DOUT[0:3]
DIN[0:7]
MCLKIN
BCLKIN
LRCKIN
HDM
TXR
AUDIO CODEC
COM8
AU
DI
O
EX
P
AN
SI
ON
C
ON
NE
CT
OR
ADC0
DIR9
001
ADC1
DAC0
I2S H
EADER
DAC1
MCASP2_ACLKX
MCASP2_AFSX
MCASP2_AXR2
MCASP2_AXR3
MCASP2_ACLKR
MCASP2_AFSR
MCASP2_AXR5
MCASP1_AXR0
MCASP1_AXR1
MCASP1_AHCLKR
MCASP1_AFSR
MCASP1_ACLKR
MCASP1_AXR2
MCASP1_AXR3
MCASP0_AXR[0:3]
MCASP0_ACLKX
MCASP0_AFSX
MCASP0_AHCLKX
MCASP0_AXR[4:7]
MCASP0_AXR[12:15]
MCASP0_AHCLKR
MCASP0_AFSR
MCASP0_ACLKR
MCASP1_AHCLKX
MCASP2_AHCLKR
CS2000
BUFFER
M
c
A
S
P
2
M
c
A
S
P
1
M
c
A
S
P
0
A
U
D
I
O
D
A
U
G
H
T
E
R
C
A
R
D
BUFFER
MCASP2_AXR4
BUFFER
MUX 2
4
4
4
4
4
4
12.288MHz
OSC
BUFFER
MCASP2_AXR1
4
BUFFER
JUMPER
4
B
UF
FE
R
BUFFER
BUFFER
4
OE#
BUFFER
JUMPER
4
Digital Audio OUT
Coaxial RCA Conn
MCASP1_AXR9
MCASP0_AMUTE
MUX
DNI
OE#
DIN
DOUT
WCLK
BCLK
AUD_CLK
AUD_DOUT
AUD_DIN
AUD_FSYNC
MCLK
SD[0:3]
MCLK
WS
SCK
Copyright © 2016, Texas Instruments Incorporated
System Description
42
SPRUI65A – April 2016 – Revised January 2018
Copyright © 2016–2018, Texas Instruments Incorporated
K2G General Purpose Evaluation Module (EVMK2G)
3.28 McASP Configuration
Table 14. McASP Configuration
McASP Port
Device
Clock Master
McASP0 RX
I2S Header
I2S Header
McASP0 TX
DAC
McASP0 TX
McASP1 RX
ADC- PCM1865 x2
McASP1 RX
McASP2 TX
HDMI Transmitter
McASP2 TX
Audio Codec AIC3106
McASP2 TX
McASP2 RX
DIR9001
DIR9001
Audio Codec AIC3106
McASP2 Rx (SYNC mode)
COM8
COM8
Figure 34. McASP Interface Block Diagram