5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
AUDIO CODEC CM6542
JD MODE
Digital_ground
Tied at one point only under
Codec or near the Codec
Analog_ground
USB2.0 PORT
40 MIL
40 MIL
PC BEEP
6-06-00543-021
FOR VOLUMN
ADJUST
HEADPHONE AMPLIFIER
G1Gain G0
-6db
0db
3db
6db
HIGH LOW
LOW LOW
LOW HIGH
HIGH HIGH
D02,Hank,Del PCbeep
RDF11_20220120_Jock
RDF11_20220125
旣ῤ㛒⭂
20 Mil
SPEAKER 4
㫸⥮
2W
The volume control.the gain range is from
-80db(Vvolume=5V) t o +20db(Vvolume=0V) with
64 steps precise control.
PCBFootprint ( QFN4X4-20 )
MODIFY 3/9
6-20-43130-102
50271-0020N-001
2ND 6-20-431B0-102
6-20-43130-102
50271-0020N-001
2ND 6-20-431B0-102
“㍺
㎃㕁
3/11
“㍺
6-19-31001-245
SA8404
40 Mil
40 Mil
40 Mil
20 Mil
40 Mil
6-06-75140-068
Low mute!
劍䃉
HP AMP MUTE
ᾉ嘇⎗ᶵ枸䔁
2015/12/8
AUDIO AMP FOR SPEAKER
G1 G0 Gain(V/V) Gain(dB) Input Impedance (kΩ)
00 6
01 12
10 18
11 24
2
4
8
16
28.1
17.3
9.8
5.2
Gain Steeing
㙓⭂
Follow
ℙ䓐
, 0606
Follow
ℙ䓐
, 0606
Follow
ℙ䓐
, 0606
㓡⮷
SPK Watt, 0606
㓡⮷
SPK Watt, 0606
DVDD33
DVDD33
AUDG
BULK_1V8
AUDG
5V
USB5V
V4V3
BULK_1V8
AUDG
AUDG
AUDG
AUDG
BULK_1V8
V4V3
3.3V
AUDG
AUDG
AUDG
AUDG
AUDG
AUDGAUDG
AUDG
3.3V
3.3VS
AUD G
DVDD33
AMP_5VS
AMP_5VS
3.3VS
3.3VS
5VS
AUDG
AUDG
AUDG
AUDG
AUDG
RING2_CONN25
SLEEVE_CONN25
MIC_DATA31
MIC_CLK31
HPOUT-JD 25
KBC_BEEP32
PCH_SPKR10
USB_PN6_ CODEC7
USB_PP6_C ODEC7
MIC _IN 25
MIC _BIAS 2 5
HEADPHONE_R_D EPOP 25
HEADPHONE_L_DEPOP 25
SGND25
MIC _SENSE25
USB_PWR_EN25,32
EC_CODEC _PD32
KBC_MUTE#32
SUSB#11,17,25,34,35
Title
Size Document Number Rev
Date: Sheet
of
6-7P-NJ5P5-002
D02
[30] AUDIO CODEC_CM6542
Custom
30 48Monday, July 25, 2022
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
NJ50MU
Title
Size Document Number Rev
Date: Sheet
of
6-7P-NJ5P5-002
D02
[30] AUDIO CODEC_CM6542
Custom
30 48Monday, July 25, 2022
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
NJ50MU
Title
Size Document Number Rev
Date: Sheet
of
6-7P-NJ5P5-002
D02
[30] AUDIO CODEC_CM6542
Custom
30 48Monday, July 25, 2022
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
NJ50MU
C256
*10p_25V_NPO_02
C202
10u_6.3V_X5R_04
R473 *0_04
C243
2.2u_6.3V_X5R_04
C515
1000p_50V_X 7R_04
C232 1u_6.3V_X5R_04
C254
0.1u_6.3V_X5R_02
C
A
A
D16
*BAT54CS3
1
2
3
C240 10u_6.3V_X5R_04
L6 HCB1005KF-121T20
1 2
C236
10u_6.3V_X5R_04
R403 0_04
C264
0.1u_6.3V_X5R_02
C513
1000p_50V_X 7R_04
R450
10K_04
C238 10u_6.3V_X5R_04
C212
0.1u_6.3V_X5R_02
Q12
SM3018KWH
G
DS
R418 *10K_04
R443 22_04
C248
*0.1u_6.3V_X5R_02
C242 4.7u_6.3V_X5R_04
R385
100K_04
C200 10u_6.3V_X5R_04
C517
1000p_50V_X 7R_04
D15*RB751S-40H
A C
R377 0_04
C225
0.1u_6.3V_X5R_02
R438 2.2K_04
C518
1000p_50V_X 7R_04
R401 10K_04
R466 *0_04
R440 *0_04
R437 *4.7K_04
R4610_04
C259
2.2u_6.3V_X5R_04
R382
100K_04
R447
*10K_04
R460
220K_1%_04
C231 1u_6.3V_X5R_04
C251 0.1u_25V_X5R_04
C224 4.7u_6.3V_X5R_04
C233 1u_6.3V_X5R_04
C250
2.2u_6.3V_X5R_04
R469
*4.7K_04
.
L36 HCB1005KF-121T20
C237
0.47u_6.3V_X5R_04
C188 10u_6.3V_X5R_04
.
L34 HCB1005KF-121T20
R416 0_04
.
L33 HCB1005KF-121T20
R459
2.2K_04
R449
*10K_04
R419 10K_04
R458
2.2K_04
R402 *10K_04
C255
1u_6.3V_X5R_02
C249
0.1u_6.3V_X5R_02
D12 RB751S-40H
AC
C258
10u_6.3V_X5R_04
L8
HCB1608KF-121T30
R400
2.2K_04
R468 *4.53K_1%_04
R432
100K_1%_02
R474
100K_1%_02
R441
220K_1%_04
R451
200K_04
R439 0_04
R434 *4.7K_04
R456 22_04
.
L35 HCB1005KF-121T20
R384
0_04
R455 0_04
C263
100p_50V_NP O_04
U14
SA8908
INL+
2
INR-
4
INR+
3
INL-
1
OUTR
5
GO
6
G1
7
PVSS
8
PVDD
12
CP
11
PGND
10
CN
9
OUTL
16
SGND
15
VDD
14
EN
13
EPAD
17
C260
100p_50V_NP O_04
J_SPKR1
50271-0020N-001
1
2
R457 0_04
C241 10u_6.3V_X5R_04
U18
TC7SZ08FU
1
2
5
4
3
R435 0_04
C235 10u_6.3V_X5R_04
C222 10u_6.3V_X5R_04
R470 22_04
J_SPKL1
50271-0020N-001
1
2
SA8404
U19
SA8404-20QN-TR3
PCB Footprint = qfn20-4x4mma
OUTR+
14
OUTR-
11
OUTL+
2
OUTL-
5
NC
6
NC
10
PGND
4
PGND
12
AGND
18
PVDD
3
PVDD
13
AVDD
9
INR+
16
INR-
17
INL+
20
INL-
19
SDL#
7
SDR#
8
G0
15
G1
1
TH-PAD
21
C265
22u_6.3V_X5R_06
PD2
1N914BWS
A C
R376
*330K_04
C201 10u_6.3V_X5R_04
R467 0_04
C182 0.1u_25V_X5R_04
C219
10u_6.3V_X5R_04
C257
10u_6.3V_X5R_04
U16
JW7115S-2SOTA#TRPBF
PCB Footprint = M-SOT23-5A
VOUT
1
GND
2
OC#
3
EN
4
IN
5
Q11
SM3018KWH
G
DS
D14 RB751S-40H
AC
R448
10K_04
C223 *10u_6.3V_X5R_04
C262
*10p_25V_NPO_02
R453 0_04
R383
0_04
R471 10K_04
R417 0_04
R433 2.2K_04
C234 1u_6.3V_X5R_04
R436 0_04
C239 10u_6.3V_X5R_04
D17*RB751S-40H
A C
R442 10K_04
U20
CM6542
GPIO_5
1
GPIO_4
2
GPIO_3
3
GPIO_7
4
GPIO_6
5
SPI_MISO
6
SPI_MOSI
7
SPI_CS0
8
SPI_SCK
9
GPIO_2
10
GPIO_1
11
GPIO_0
12
PDSW
13
TEST
14
I2C_SCLK
15
I2C_SD AT
16
USB_DM
17
USB_DP
18
CHP_N_BULK
19
BULK_1V8
20
CHP_P_BULK
21
DVDD50 A5V
22
VSS
23
PD_R5V
24
DVDD33
25
MIC_SWOUT/VO LADJ
26
MIC_ IN
27
MIC_BIAS
28
D1V8
29
AVDD33
30
VRP_PAD
31
AGND
32
VREF_PAD
33
D1V8_NEG
34
CHP_P_NEG
35
CHP_N_NEG
36
VNEG_NEG
37
HPOUT_R
38
HPOUT_L
39
AVDD18
40
SLEEVE
41
AGND
42
RING2
43
GPIO_11
44
GPIO_10
45
GPIO_9
46
GPIO_8
47
SPDIF_O
48
DGND
49
I2C _SCL K
I2C _SDAT
USB_DM
USB_DP
MIC _IN
GPIO_7
PD_R5V
SPI_MISO
GPIO_6
GPIO_5
GPIO_3
SPI_CS0
SPI_SCK
GPIO_2
GPIO_7
GPIO_4
SPI_MOSI
GPIO_9
VNEG_NEG
USB_DP
USB_DM
GPIO_8
HPOUT_R
HPOUT_L
AVDD18
VRP_PAD
MIC _BIAS
AVDD33
D1V8
D1V8_NEG
DVDD33
MIC_SWOUT/VOLADJ
VRE F_ PAD
MIC _IN
BULK_1V8
GPIO_1
PDSW
TEST
GPIO_0
MIC_SWOUT/VOLADJ
GPIO_4BEEP_A
MIC_BIAS
HPOUT_L
HPOUT_R
HP_EN_SPK_ EN
G1_SV3H706
G0_SV3H706
GPIO_7
TEST
SGND
GPIO_2
KBC_MUTE#
GPIO_5
LOUT-
HPOUT_R
HPOUT_L
AMP_EN _SPK
G0
G1
G0
G1
GPIO_3
ROUT-
ROUT+
LOUTP
ROUTN
LOUTN
LOUT+
AMP_EN _SPK
HP_EN_SPK_ EN
ROUTP
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