34
FROM MTK
FROM DSP
TO DAC
keep track lengths from U6 to 10R souce termination resistors as
short as possible
NOTE
651BD USE R339
751BD NOT USE R339
I2C TO SPI GPIO PINS
interface to MTK main board
form MPEG board
751B
D
用到了:
OE4
,
OE2
8 bit
输入:
IN4~IN7, IN12~IN15
8 bit
输出:
O
U
T
4~
O
U
T
7,
O
U
T
12
~
O
U
T
15
对应
10
Ω
电阻为
:R17, R18 ,R19, R20, R21, R24 ,R51, R75
751BD WAY
651BD WAY
A0 A1 A2
1
11
set to I2C slave address mode
DAC_
CS
select 4 DAC for 7.1channel
LTRT_DAC_
CS
select 1 DAC for DOWNMIX channel
CS2K_
CS
select CS2000 for 651BD MCLK
DATA3
DATA2
DATA1
DATA4
DATA0
NO FIT
NO FIT
SC18IS602 and SC18IS603 do not support
SS2
,
SS2
_IO2 pin should be used GPIO only
SC18IS602B do support
SS2
_IO2,
SS2
_IO2 pin should be used
SS2
,and GPIO
SC18IS602B
7
VCC
18
VCC
31
VCC
42
VCC
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
47
IN0
46
IN1
44
IN2
43
IN3
41
IN4
40
IN5
38
IN6
37
IN7
36
IN8
35
IN9
33
IN10
32
IN11
30
IN12
29
IN13
27
IN14
26
IN15
23
OUT15
22
OUT14
20
OUT13
19
OUT12
17
OUT11
16
OUT10
14
OUT9
13
OUT8
12
OUT7
11
OUT6
9
OUT5
8
OUT4
6
OUT3
5
OUT2
3
OUT1
2
OUT0
24
OE4
25
OE3
48
OE2
1
OE1
U6
74LCXH162244MTD
1
SS0_
GPIO0
2
SS1_
GPIO1
3
RESET
4
VSS
5
MISO
6
MOSI
7
SDA
8
SCL
9
INT
10
SS2_
GPIO2
11
SPICLK
12
VDD
13
SS3_
GPIO3
14
A0
15
A1
16
A2
U9
C116
104/0603
C24
104/0603
C274
104/0603
C273
104/0603
R32
10R
R31
10R
R30
10R
R29
10R
R28
10R
R27
10R
R26
10R
R25
10R
R279
NO FIT
R321
NO FIT
R322
NO FIT
R330
NO FIT
R331
NO FIT
R332
NO FIT
R333
NO FIT
R22
1K/0603
C25
104/0603
R91
33R/0603
R17
33R/0603
R92
33R/0603
R18
33R/0603
R94
33R/0603
R19
33R/0603
R95
33R/0603
R20
33R/0603
R98
33R/0603
R21
33R/0603
R99
33R/0603
R24
33R/0603
R176
33R/0603
R51
33R/0603
R271
33R/0603
R75
33R/0603
R15
10R/0805
4
2
5
3
U10
74AHC1G04
R188
100R
R55
100R
R179
100R
R49
100R
R50
100R
R53
10K
R52
10K
R180
100R
R187
100R
C29
104/0603
C30
104/0603
R54 10K
R16
470R
R399
0R
R189
100R
R272
100R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CN3
CON22
24P0.5mm
R166
4.7K
R167
4.7K
R168
4.7K
R318
10K
R319
10K
C288
47PF
C180
47PF
C272
47PF
C275
47PF
C276
47PF
C277
47PF
C278
47PF
+5V
3.3V
HOST_RESET
RESET
651BD_
OE
751BD_
OE
DAC_
CS
LTRT_DAC_
CS
RESET
SPI_DIN
SDA
SCL
3.3V
SPI_CLK
CS2K_
CS
3.3V
3.3V
3.3V
751BD_
OE
651BD_
OE
SLRCK_DAC
MCLK_MTK
BCLK_MTK
LRCK_MTK
DATA_LF_RF_MTK
DATA_LS_RS_MTK
DATA_C_SW_MTK
DATA_LSB_RSB_MTK
SDATA_LSB_RSB_DSP
SDATA_C_SW_DSP
SDATA_LS_RS_DSP
SDATA_LF_RF_DSP
SLRCK_DSP
SBCLK_DSP
MCLK_MTK
DATA_LF_RF_MTK
DATA_LSB_RSB_MTK
SCL
SDA
MCU_STBY
HOST_RESET
CPU+5V
BCLK_MTK
LRCK_MTK
DATA_LS_RS_MTK
DATA_C_SW_MTK
DATA_LDOWMMIX_RDOWNMIX_MTK
SDATA_LDOWNMIX_RDOWNMIX_DSP
MUTE
DATA_LDOWMMIX_RDOWNMIX_MTK
MUTE_DSD
SDATA_LDOWNMIX_RDOWNMIX_DAC
SDATA_LSB_RSB_DAC
SDATA_C_SW_DAC
SDATA_LS_RS_DAC
SDATA_LF_RF_DAC
SBCLK_DAC
SACLK_DAC
-32-