wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 11

• Manufacturer Part Number: wm8350
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
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LINEDCDC
LDOVDD
MICBIAS
NGATE2
NGATE5
LINEINT
HPVDD
OUT1R
OUT2R
ISINKA
ISINKB
LRCLK
OUT1L
OUT2L
NAME
IN1RN
IN1RP
IN1LN
IN1LP
MCLK
PGND
OUT3
OUT4
IN2R
IN3R
LINE
/RST
IN2L
IN3L
PG1
PG2
PG3
PG4
PG5
PG6
PV1
PV3
IRQ
ON
OP
L1
L2
L3
L4
L5
L6
IP
LOCATION(S)
F1, F2, F3
A4, B4,
A5, B5
A8, B8
A6, B6
A7, B7
M10
M11
M13
M12
K13
N10
N13
N12
N11
E11
E12
C13
D13
B12
K11
K12
A13
C12
C11
D12
L11
L10
F12
L12
J11
M9
M6
B3
C1
B1
C5
H2
B2
K2
A3
C2
A2
L9
L4
L2
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Output
Digital Output
Analogue I/O
Analogue I/O
Analogue I/O
Analogue I/O
Analogue I/O
Analogue I/O
Digital Input
open-drain
open-drain
Digital I/O
Digital I/O
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
TYPE
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
LDOVDD
LDOVDD
PV1
VP2
PV3
PV4
VP5
PV6
DBVDD
DBVDD
AVDD
VP2
VP5
DBVDD
VRTC
DBVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
DOMAIN
POWER
DC-DC2 connection to gate of external power FET
DC-DC5 connection to gate of external power FET
Headphone supply – powers the analogue outputs
OUT1L, OUT1R, OUT2L, OUT2R, OUT3 and OUT4
Inverting input for left microphone channel
Non-inverting input 1 for left microphone channel
Inverting input for right microphone channel
Non-inverting input 1 for right microphone channel
Non-inverting input 2 for left microphone channel
Non-inverting input 2 for right microphone channel
Auxiliary input for analogue audio signals (left channel)
Auxiliary input for analogue audio signals (right channel)
Power input to current limit switch
Constant-current LED driver A
Constant-current LED driver B
DC-DC1 inductor connection
DC-DC2 inductor connection
DC-DC3 inductor connection
DC-DC4 inductor connection
DC-DC5 inductor connection
DC-DC6 inductor connection
LDO amplifier supply voltage
Supply connection for DC-DC 1, 4 and 5 control circuits
Supply connection for Internal Reference circuits
LINE supply connection
Word clock (left/right clock) signal for digital audio
interface
Master Clock (may be generated internally or externally)
Low-noise bias voltage for condenser microphones
(connect decoupling capacitor here)
Interrupt signal from WM8350 to host processor
Connection for power-on switch
System Reset Signal (active low)
Power output from current limit switch
Left channel analogue audio output 1
Left channel analogue audio output 2
Right channel analogue audio output 1
Right channel analogue audio output 2
Analogue audio output 3 (or pseudo-ground output for
capacitor-less headphone outputs)
Analogue audio output 4
DC-DC1 power ground
DC-DC2 power ground
DC-DC3 power ground
DC-DC4 power ground
DC-DC5 power ground
DC-DC6 power ground
Ground connection
DC-DC1 line or battery power input
DC-DC3 line or battery power input
DESCRIPTION
PD, June 2009, Rev 4.1
WM8350
11