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3. TECHNICAL BRIEF
- 64 -
MSM6245 CODEC pins
MSM pin W18
(CODEC VSS)
AUDIO
Place near
Near to MSM
10%
C201 47p
F25
SDCC_DAT1_GPIO99
SDCC_DAT2_GPIO100
M25
M26
AF20
MIC1N
AE20
MIC1P
MIC2N
AF21
AF22
MIC2P
T15
MICBIAS
AC21
LINE_L_IN
LINE_L_IP
AC22
LINE_ON
AC18
AC17
LINE_OP
LINE_R_IN
AC20
AC19
LINE_R_IP
W17
HPH_L
HPH_R
AA17
HPH_VREF
AA19
AE18
EAR1ON
AF18
EAR1OP
AA20
CCOMP
AUXIN
AF19
AUXIP
AE19
AA18
AUXOUT
220n
36R202
C203
10p
C204
220nC202
C211 22n
C212
0.1u
22n
C210
47pC200
LINE_N
LINE_P
MIC2N
MIC1N
MIC1P
MIC2P
HPH_R
HPH_L
RCV-
RCV+
MICBIAS
Figure 1.25 Audio part schematics
Figure 1.26 Audio part schematics
I/O CONNECTOR
R4021M
C400
0.1u
C401 33u
100KR405
100ohmR406
U400
NCS2200SQ2T2G
2
GND
1
OUT
VCC
5
3
VIN+
VIN-
4
R403
51K
8
9
19
2
21
3
4
5
6
7
CN401
HSEJ-18S04-25R
1
33uC402 R407 100ohm
R404
10K
R400
2.2K
R401
5.1K
MIC2N
VBATT
MIC2P
MICBIAS
VREG_MSMP_2.7V
HPH_L
USB_D-
EAR_SENSE_N
USB_D+
VREG_MSMP_2.7V
HOOK_KEY
HPH_R