1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
B
Date:
13-Apr-2005
Sheet of
File:
E:\USER\MJ\LP08\YLT-chn\LS08_MAIN_TDA8759-20050223.Ddb
Drawn By:
S C L _ V
S C L _ V
2 3 S D C L K
D A C R S T #
2 3 S D W E #
S D A _ V
23SDA9
23SDD27
23SDD25
23SDD23
F L I C L K
23SDA0
23SDD24
23SDD17
23SDD3
DEVADDR0
F L I G R N 2
F L I G R N 4
2 3 S D D 2
2 3 S D A [ 1 0 . . 0 ]
F L I H S
23SDA3
23SDA4
2 3 0 0 O E #
23SDD21
2 3 S D D [ 3 1 . . 0 ]
23SDDQM
23SDD8
2 3 S D D 0
2 3 S D R A S #
F L I V S
F L I G R N 7
23SDD12
23SDD11
23SDD18
23SDD13
2 3 S D D 1
2 3 S D A [ 1 0 . . 0 ]
BDACOUT
RDACOUT
2 3 S D C A S #
23SDA10
23SDD16
23SDD7
23SDD6
23SDD4
F L I H R E F
23SDD26
23SDD19
23SDD5
SDCKO
23SDA2
23SDA7
23SDD30
23SDD22
DEVADDR1
2 3 S D B A 0
F L I G R N 5
23SDA8
23SDD15
23SDD14
2 3 S D D [ 3 1 . . 0 ]
2 3 S D B A 1
F L I G R N 3
23SDA5
23SDA6
23SDD9
GDACOUT
2 3 S D C S #
F L I G R N 6
23SDA1
23SDD29
23SDD28
F L I G R N 0
F L I G R N 1
23SDD31
23SDD20
23SDD10
V G R N [ 7 . . 0 ]
V G R N 0
V G R N 2
V G R N 1
V G R N 6
V G R N 4
V G R N 7
V G R N 5
V G R N 3
DEVADDR0
2 3 0 0 O E #
DEVADDR1
F L I C L K
F L I H S
F L I H R E F
F L I V S
F L I B L U 7
F L I B L U 6
F L I B L U 5
F L I B L U 4
F L I B L U 3
F L I B L U 2
F L I B L U 1
F L I B L U 0
V B L U 3
V B L U 7
V B L U 5
V B L U 2
V B L U 6
V B L U 4
V B L U 1
V B L U 0
V B L U [ 7 . . 0 ]
S D A _ V
C491
47uF/10V
C402
0.1uF
R437
100R/5%
R411
22R/5%
R440
100R/5%
R447
10K/5%
1
TP404
R417
75R/1%
FLI2310
HSYNC1_PORT1
1
VSYNC1_PORT1
2
FIELD ID1_PORT1
3
IN_CLK1_PORT1
4
HSYNC2_PORT1
5
VSYNC2_PORT1
6
FIELD ID2_PORT1
7
VDD1(3.3)
8
VSSio
9
IN_CLK2_PORT1
10
B/Cb/D1_0
11
B/Cb/D1_1
12
B/Cb/D1_2
13
B/Cb/D1_3
14
B/Cb/D1_4
15
VDDcore1(1.8)
16
VSScore
17
B/Cb/D1_5
18
B/Cb/D1_6
19
B/Cb/D1_7
20
R/Cr/CbCr_0
21
R/Cr/CbCr_1
22
R/Cr/CbCr_2
23
R/Cr/CbCr_3
24
R/Cr/CbCr_4
25
R/Cr/CbCr_5
26
R/Cr/CbCr_6
27
R/Cr/CbCr_7
28
G/Y/Y_0
29
VDD2(3.3)
30
VSSio
31
G/Y/Y_1
32
G/Y/Y_2
33
G/Y/Y_3
34
G/Y/Y_4
35
VDDcore2(1.8)
36
VSScore
37
G/Y/Y_5
38
G/Y/Y_6
39
G/Y/Y_7
40
IN_SEL
41
TEST
42
DEV_ADDR1
43
DEV_ADDR0
44
SCLK
45
SDATA
46
RESET_N
47
VDD3(3.3)
48
VSSio
49
SDRAM D0
50
SDRAM D1
51
SDRAM D2
52
SDRAM D3
53
SDRAM D4
54
SDRAM D5
55
SDRAM D6
56
SDRAM D7
57
SDRAM D8
58
SDRAM D9
59
SDRAM D10
60
SDRAM D11
61
VDD4(3.3)
62
VSSio
63
SDRAM D12
64
SDRAM D13
65
SDRAM D14
66
SDRAM D15
67
VDDcore3(1.8)
68
VSScore
69
SDRAM D16
70
SDRAM D17
71
SDRAM D18
72
SDRAM D19
73
SDRAM D20
74
SDRAM D21
75
SDRAM D22
76
SDRAM D23
77
SDRAM D24
78
SDRAM D25
79
VDDcore4(1.8)
80
VSScore
81
SDRAM D26
82
SDRAM D27
83
SDRAM D28
84
SDRAM D29
85
SDRAM D30
86
SDRAM D31
87
VDD5(3.3)
88
VSSio
89
TEST IN
90
SDRAM ADDR10
91
SDRAM ADDR9
92
SDRAM ADDR8
93
SDRAM ADDR7
94
SDRAM ADDR6
95
VDDcore5(1.8)
96
VSScore
97
SDRAM ADDR5
98
SDRAM ADDR4
99
SDRAM ADDR3
100
SDRAM ADDR2
101
SDRAM ADDR1
102
SDRAM ADDR0
103
SDRAM WEN
104
O E
156
G/Y/Y_OUT_7
155
G/Y/Y_OUT_6
154
G/Y/Y_OUT_5
153
G/Y/Y_OUT_4
152
G/Y/Y_OUT_3
151
G/Y/Y_OUT_2
150
G/Y/Y_OUT_1
149
G/Y/Y_OUT_0
148
VSSio
147
VDD8(3.3)
146
R/Y/Pr_OUT_7
145
R/Y/Pr_OUT_6
144
R/Y/Pr_OUT_5
143
R/Y/Pr_OUT_4
142
R/Y/Pr_OUT_3
141
R/Y/Pr_OUT_2
140
VSScore
139
VDDcore7(1.8)
138
R/Y/Pr_OUT_1
137
R/Y/Pr_OUT_0
136
B/U/Pb_OUT_7
135
B/U/Pb_OUT_6
134
B/U/Pb_OUT_5
133
B/U/Pb_OUT_4
132
B/U/Pb_OUT_3
131
B/U/Pb_OUT_2
130
VSSio
129
VDD7(3.3)
128
B/U/Pb_OUT_1
127
B/U/Pb_OUT_0
126
CLKOUT
125
VSScore
124
VDDcore6(1.8)
123
CTLOUT4
122
CTLOUT3
121
CTLOUT2
120
CTLOUT1
119
CTLOUT0
118
TEST OUT1
117
TEST OUT0
116
TEST3
115
SDRAM CLKIN
114
VSSio
113
VDD6(3.3)
112
SDRAM CLKOUT
111
SDRAM DQM
110
SDRAM CSN
109
SDRAM BA0
108
SDRAM BA1
107
SDRAM CASN
106
SDRAM RASN
105
HS_PORT2
208
VS_PORT2
207
FID_PORT2
206
D1_IN_7
205
D1_IN_6
204
D1_IN_5
203
D1_IN_4
202
D1_IN_3
201
D1_IN_2
200
D1_IN_1
199
VSScore
198
VDDcore8(1.8)
197
D1_IN_0
196
IN_CLK_PORT2
195
VSSio
194
VDD9(3.3)
193
XTAL OUT
192
XTAL IN
191
TEST2
190
TEST1
189
TEST0
188
DAC_PVDD(3.3)
187
DAC_GR_AVDD(3.3)
186
DAC_GR_AVSS
185
DAC_AVSS
184
DAC_AVDD(3.3)
183
DAC_VREFIN
182
DAC_VREFOUT
181
DAC_RSET
180
DAC_COMP
179
DAC_AVSSR
178
DAC_AVDDR(3.3)
177
DAC_ROUT
176
DAC_AVSSG
175
DAC_AVDDG(3.3)
174
DAC_GOUT
173
DAC_AVSSB
172
DAC_AVDDB(3.3)
171
DAC_BOUT
170
DAC_VSS
169
DAC_VDD(1.8)
168
DAC_PVSS
167
AVSS_PLL_FE
166
AVDD_PLL_FE(1.8)
165
AVDD_PLL_SDI(1.8)
164
AVSS_PLL_SDI
163
AVSS_PLL_BE2
162
AVDD_PLL_BE2(1.8)
161
AVDD_PLL_BE1(1.8)
160
AVSS_PLL_BE1
159
PLL_PVSS
158
PLL_PVDD(1.8)
157
U401
R439
100R/5%
C471
0.1uF
R409
22R/5%
R449
22R/5%
C487
0.1uF
C490
47uF/6.3V
C474
0.1uF
C492
0.1uF
R410
22R/5%
R416
75R/1%
R434
22R/5%
C472
0.1uF
C476
0.1uF
C405
22uF/6.3V
C479
0.1uF
R445
10K/5%
C4104
22uF/6.3V
C478
0.1uF
C473
0.1uF
C496
0.1uF
C4103
0.1uF
C475
0.1uF
C480
22uF/6.3V
C400
22pF
R432
22R/5%
1
2
FB412
C406
22uF/6.3V
C498
0.1uF
C477
0.1uF
R450
22
C4100
0.1uF
R442
100R/5%
C495
0.1uF
C4102
0.1uF
C4117
0.1uF
GND
1
VIN
3
TAB
4
2
U403
LM1117DTX-1.8
T O - 2 5 2
C4116
0.1uF
L409
5.6uH/5%
C4114
0.1uF
C497
0.1uF
C4112
0.1uF
R446
10K/5%
C403
0.1uF
C499
0.1uF
1
2
3
X400
13.5MHz
C4101
0.1uF
R404
187R/1%
C4115
0.1uF
C4113
0.1uF
L412
5.6uH/5%
C4111
0.1uF
R438
100R/5%
C4105
22uF/6.3V
1
2
FB411
C411 0.1uF
C486
22uF/6.3V
1
TP400
R418
75R/1%
C4118
22uF/6.3V
1
TP403
1
TP402
R401
470K/1%
C4106
0.1uF
1
TP401
L410
5.6uH/5%
VGRN[7..0]
23SDD[31..0]
23SDCLK
23SDDQM
23SDCS#
23SDBA0
23SDBA1
23SDCAS#
23SDRAS#
23SDWE#
23SDA[10..0]
VVS
VCLK
VHS
VBLU[7..0]
DAC3.3V
3.3VS23
1.8VS23
DAC1.8V
PLL1.8V
GND
1.8VS23
DAC3.3V
3.3VS23
DAC1.8V
PLL1.8V
+1.8V_SW
+1.8V_SW
+3.3V_SW
+3.3V_SW
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+3.3V_SW
+1.8V_SW
GND
+5V_SW
GND
NOTE: FLI2300 could be used in place of FLI2310
)25 7( 673 85326( ,1 &$6(2) ) /, 21 /<
DECOUPLING FOR FLI2310
+
+
+
+
+
+
+
Leave 1sq inch- exposed copper area attached to Tab of U408
WHEN FLI2310 IS PRESENT
WHEN FLI2310 IS NOT PRESENT
ASSEMBLE RN700 TO RN707.
DO NOT ASSEMBLE RN710, RN711,RN712,RN713
F L I R E D 2
F L I R E D 4
F L I R E D 7
F L I R E D 5
F L I R E D 3
F L I R E D 6
F L I R E D 0
F L I R E D 1
V R E D 7 . . 0 ]
VRED[7..0]
V R E D 0
V R E D 2
V R E D 1
V R E D 6
V R E D 4
V R E D 7
V R E D 5
V R E D 3
ADCLK
ADHS
ADVS
L407
10uH
L406
10uH
+3.3V_SW
3V3A
3V3D
Y400
24.576MHz
C4004
22P
GND
C404
22P
Strapping' Clock
R441
Open
R443
4.7K
C493
100n
C489
100n
C488
100n
C485
100n
C484
100n
C483
100n
C482
100n
C481
100n
C470
100n
C469
100n
C468
100n
C494
100n
C4003
100n
C4001
100n
+ C4002
10u
+C467
10u
GND
GND
3V3A
3V3D
GND
R436
100
C459
47nF
C460
47nF
C461
47nF
C462
47nF
C464
47nF
C465
47nF
C463
47nF
C466
47nF
R420
18R
R421
0
R422
0
R423
0
R424
0
R428
56R
R429
N C R430
N C
R431
N C
R433
N C
R435
N C
Scart2_CIn
Scart2_VideoIn
Video1_C_IN
Video1_Y_IN
SubchannelTV
'Strapping' I2C Slave
ITRU0
ITRU1
ITRU2
ITRU3
ITRU4
ITRU5
ITRU6
ITRU7
ITRU[0..7]
ITRU[0..7]
TCK
98
TMS
99
TDI
3
TRSN
97
TDO
2
VDDA0
23
VDDA1
17
VDDA2
11
VDDE
1
VDDE
25
VDDE
51
VDDE
75
VDDI
33
VDDI
43
VDDI
58
VDDI
68
VDDI
83
VDDI
93
VXDD
8
HPD0
72
HPD1
71
HPD2
70
HPD3
69
HPD4
67
HPD5
66
HPD6
65
HPD7
64
TEST3
77
TEST4
78
TEST5
79
SCL
31
SDA
32
AOUT
22
SAA7115HL
AI24
10
AI23
12
AI22
14
AI21
16
AI2D
13
AI12
18
AI11
20
AI1D
19
CE
27
VSSA0
24
VSSA2
9
VSSA1
15
AGND
21
VXSS
5
VSSE
26
VSSI
38
VSSE
50
VSSI
63
VSSE
76
VSSI
88
VSSE
100
LLC
28
LLC2
29
RESON
30
RTS0
34
RTS1
35
RTCO
36
TEST0
44
TEST1
73
TEST2
74
XPD0
90
XPD1
89
XPD2
87
XPD3
86
XPD4
85
XPD5
84
XPD6
82
XPD7
81
XRI1
92
XRV
91
XCLK
94
XDQ
95
XRDY
96
XTRI
80
XTOUT
4
IPD0
62
IPD1
61
IPD2
60
IPD3
59
IPD4
57
IPD5
56
IPD6
55
IPD7
54
ITRDY
42
ICLK
45
IDQ
46
ITR1
47
IGP0
48
IGP1
49
IGPV
52
IGPH
53
AMCLK
37
ASCLK
39
ALRCLK
40
AMXCLK
41
XTAL
6
XTAL1
7
U402
SAA7115HL
R426
100R/5%
R425
100R/5%
SVCLK
SVCLK
GND
ALRCLK is used to seleted to 24.576MHZ crystal.
SAA7115_EN
REF_B/Pb
49
B/Pb3
50
B/Pb2
51
B/Pb1
52
BIAS
56
REF_G/Y
62
G/Y3
63
G/Y2
64
G/Y1
65
SOG/Y3
72
SOG/Y2
73
SOG/Y1
74
REF_R/Pr
77
R/Pr3
78
R/Pr2
79
R/Pr1
80
H E
95
COAST
102
GAIN
103
C L A M P
104
VSYNC1
105
VSYNC2
106
VSYNC3
107
HSYNC1
108
HSYNC2
109
HSYNC3
110
CKEXT
111
TCLK
113
SDA
118
S C L
119
DIS
114
A0
96
C S
170
ORR/V
171
ORB/U
172
ORG/Y
173
V A I
174
FREF
175
VREF
176
PL
166
D E
167
O E
94
CKP
2
HS
168
VS
169
HREF
1
VP00
7
VP01
8
VP02
9
VP03
10
VP04
15
VP05
16
VP06
17
VP07
18
VP10
23
VP11
24
VP12
25
VP13
26
VP14
27
VP15
28
VP16
31
VP17
32
VP20
35
VP21
36
VP22
39
VP23
40
VP24
41
VP25
42
VP26
43
VP27
44
TDA8795
U400A
TDA8759
C420
10n
R406
75
c4119
10n
c4120
10n
c415
10n
R402
12K
R400 75
c416
10n
c4121
10n
c417
10n
c410
10n
c418
10n
c412
10n
c419
10n
c4122
10n
c413
10n
c414
10n
R403
75
GND
R413
N C
R414
100
R412
100
TV_Csync
GND
R415
4.7K
3.3Vcore
1
2
3
4
5
6
7
8
RN402
47X4
N C
5
N C
6
N C
19
N C
20
N C
33
N C
34
N C
115
N C
128
N C
129
N C
134
N C
135
N C
136
N C
137
N C
140
N C
141
N C
143
N C
144
N C
146
N C
147
N C
149
N C
150
N C
152
N C
153
N C
155
N C
156
Vpll_1.8v
87
Vpll_3.3v
88
Vfro
85
PD
93
Vi2c
123
Vbias
59
Vcca
82
Vcca
76
Vcca
69
Vcca
67
Vcca
61
VccA
54
Vcca
48
Vcore
138
Vcore
139
Vcore
145
Vcore
151
Vcore
157
Vcore
158
Vcore
132
Vcore
130
Vcore
116
Vcore
11
Vp
164
Vp
3
Vp
13
Vp
21
Vp
29
Vp
37
Vp
45
OGND
165
OGND
4
OGND
14
OGND
22
OGND
30
OGND
38
OGND
46
DGND
12
DGND
117
DGND
127
DGND
131
DGND
159
DGND
133
DGND
142
DGND
148
DGND
154
AGND
47
AGND
53
AGND
55
AGND
57
AGND
58
AGND
60
AGND
66
AGND
68
AGND
70
AGND
71
AGND
75
AGND
81
AGND
83
AGND_pll
84
AGND_pll
86
DGNDi2c
120
DGNDi2c
126
TST0
89
TST1
90
TST2
91
TST3
92
TST4
97
TST5
98
TST6
99
TST7
100
TST8
101
TST9
112
TST10
121
TST11
122
TST12
124
TST13
125
TST14
160
TST15
161
TST16
162
TST17
163
TDA8759
U400B
TDA8759
3.3V_out
1.8Vcore
3.3Vcore
3.3Vcca
3.3Vcca
3.3Vcore
1.8Vpll
3.3Vpll
GND
GND
GND
+C457
22u/10V
+C458
22u/10V
C451
0.1uF
+
C442
470u/10V
C427
0.1u
C430
0.1u
C433
0.1u
C436
0.1u
C438
0.1u
C440
0.1u
C443
0.1u
C445
0.1u
C423
0.1u
C425
0.1uF
C428
0.1uF
C431
0.1uF
C434
0.1uF
C437
0.1uF
C439
0.1uF
C422
0.1uF
C424
0.1uF
C426
0.1uF
C429
0.1uF
C432
0.1uF
C447
0.1uF
C448
0.1uF
C449
0.1uF
C452
0.1uF
C453
0.1uF
C455
0.1uF
C454
0.1uF
3.3V_out
3.3Vcca
3.3Vcore
1.8Vcore
1.8Vpll
3.3Vpll
GND
GND
GND
GND
GND
R405 1K
GND
ADUB0
ADUB1
ADUB2
ADUB3
ADUB4
ADUB5
ADUB6
ADUB7
ADYG0
ADYG1
ADYG2
ADYG3
ADYG4
ADYG5
ADYG6
ADYG7
ADVR0
ADVR1
ADVR2
ADVR3
ADVR4
ADVR5
ADVR6
ADVR7
1
2
3
4
5
6
7
8
RN409
22
SubchannelTV
Video1_Y_IN
Scart1VideoIN
Scart2_VideoIn
Scart2_CIn
Video1_C_IN
Scart1VideoIN
R419
0
SAA7115_EN
8759PowerDown
HIGH:
8759Powerdown
8759PowerDown
R408
100
High is effective.
C407
47uF/10V
C409
47uF/6.3V
C408
0.1uF
GND
1
VIN
3
TAB
4
2
U405
LM1117DTX-3.3
T O - 2 5 2
+3.3V_DEC
GND
+5V_SW
Leave 1sq inch- exposed copper area attached to Tab of U408
+3.3V_DEC
+3.3V_SW
L402
10uH
+3.3V_SW
L400
10uH
+3.3V_DEC
L401
10uH
+1.8V_SW
L403
10uH
+3.3V_DEC
L405
10uH
C450
0.1uF
GND
L404
10uH
+1.8V_SW
+ C444
22u/10V
+ C446
22u/10V
+ C435
22u/10V
+ C456
22u/10V
TDA8759 AD Power Supply.
ADYG00
ADYG11
ADYG22
ADYG33
ADYG44
ADYG55
ADYG66
ADYG77
ADUB00
ADUB11
ADUB22
ADUB33
ADUB44
ADUB55
ADUB66
ADUB77
ADVR00
ADVR11
ADVR22
ADVR33
ADVR44
ADVR55
ADVR66
ADVR77
V G R N 0
V G R N 2
V G R N 1
V G R N 6
V G R N 4
V G R N 7
V G R N 5
V G R N 3
V B L U 3
V B L U 7
V B L U 5
V B L U 2
V B L U 6
V B L U 4
V B L U 1
V B L U 0
V R E D 0
V R E D 2
V R E D 1
V R E D 6
V R E D 4
V R E D 7
V R E D 5
V R E D 3
ADCLK
ADHS
ADVS
ADCLK
ADHS
ADVS
1
2
3
4
5
6
7
8
RN411 22X4
VCLK
VHS
VVS
VVS
VCLK
VHS
VCLK
VHS
VVS
When FLI2300 is not installed,where should SHREF be connected?
DO NOT ASSEMBLE TO RN700 TO RN707.
ASSEMBLE RN710, RN711,RN712,RN713
RESET_2310
RESET_2310
Reset SAA7115 on the same time.
C401
22pF
TV_Csync
ADYG00
ADYG11
ADYG22
ADYG33
ADYG44
ADYG55
ADYG66
ADYG77
ADUB00
ADUB11
ADUB22
ADUB33
ADUB44
ADUB55
ADUB66
ADUB77
ADVR00
ADVR11
ADVR22
ADVR33
ADVR44
ADVR55
ADVR66
ADVR77
R456
N C
VHS
1
2
3
4
5
6
7
8
RN400A 22X4
1
2
3
4
5
6
7
8
RN410 22X4
1
2
3
4
5
6
7
8
RN410A 22X4
1
2
3
4
5
6
7
8
RN401 22X4
1
2
3
4
5
6
7
8
RN401A22X4
1
2
3
4
5
6
7
8
RN404
22X4
1
2
3
4
5
6
7
8
RN404A
22X4
ADUB00
ADUB11
ADUB22
ADUB33
ADUB44
ADUB55
ADUB66
ADUB77
1
2
3
4
5
6
7
8
RN406
22X4
1
2
3
4
5
6
7
8
RN406A
22X4
ADVR00
ADVR11
ADVR22
ADVR33
ADVR44
ADVR55
ADVR66
ADVR77
1
2
3
4
5
6
7
8
RN408
22X4
1
2
3
4
5
6
7
8
RN408A
22X4
ADYG00
ADYG11
ADYG22
ADYG33
ADYG44
ADYG55
ADYG66
ADYG77
1
2
3
4
5
6
7
8
RN407
22X4
1
2
3
4
5
6
7
8
RN407A 22X4
1
2
3
4
5
6
7
8
RN405
22X4
1
2
3
4
5
6
7
8
RN405A 22X4
1
2
3
4
5
6
7
8
RN403 22X4
1
2
3
4
5
6
7
8
RN403A22X4
S C L _ V
S D A _ V
1
2
3
4
5
6
7
8
RN400 22X4
TP406
TP405
C4123
N C
C4124
N C
C4125
N C
GND
GND
GND
TV_RRout
TV_Rout
R171
470
R176
N C
L171
C174
0.1uF
C172
10V22uF
L172
2.2uH
C171
330pF
C173
330pF
R172
75
VCC5A
R182
100
TV_Rout
Q171
2SC1815Y
TV_BBout
TV_Bout
R173
470
R175
N C
L174
2.2uH
C179
330pF
C180
330pF
R174
75
TV_Bout
R183
100
Q172
2SC1815Y
TV_GGout
TV_Gout
R179
470
R181
N C
L175
2.2uH
C182
330pF
C183
330pF
R180
75
R184
100
TV_Gout
Q173
2SC1815Y
MA1
PP
MA2
PP
MA3
PP
C419A
10n
uoc_vs
R452
47
R451
22
uoc_hs
R406A
75
R400A
75
R403A
75
R175A
75
R181A
75
R176A
75
C494A
100n
P B o u t
Yout
Yout
2
1
3
U404
2N7002E
2
1
3
U406
2N7002E
R454
1K
R455
1k
M S T R _ S C L
M S T R _ S D A
S C L _ V
S D A _ V
R444
4.7K
R453
4.7k
3.3V_out
3.3V_out
