23
ICD-MS525
• IC Block Diagrams
IC3201 AN12906A (AUDIO BOARD)
GND
NC
NC
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
16
17
18
19
20
15
14
13
12
1
2
3
4
5
6
7
8
11
10
9
MIC VOLTAGE
SUPPLY
VCC
VREF
VREFHP
DET
AGC
LPF
LPF
VREF
SPOUT
-
MIXOUT
SPOUT+
SPGND
SPPWR
BEEPIN
SPIN
MUTE
NC
STBYSW
RIN
LIN
GND
RECOUT
FEEDBACK
LPF2IN
LPF1IN
LPF2OUT
LPF1OUT
AGCSW
AGCOUT
BIASOUT
MICOUT
MICPWR
GND
LGGAIN IN
HCAIN IN
CAINSW
GAIN OUT
AGCDET
MICIN
MICLF
MICVCC
VREF
VCC
SPVREF
LOUT
ROUT
HPGND
HPPWR
SPVCC
IC8101 M66291GP-2 (MAIN BOARD)
CVCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
4
3
5
6
14
13
8-10
11
GND
D-
D+
VBUS
TRON
TEST
DACK1
DREQ1
TC1
INT1
IVDD
XOUT
XIN
CVCC
GND
A1
A2
A3
A4
A5
A6
D0
D1
D2
D3
D4
D5
D6
D7
D11
D10
D9
D8
IVDD
GND
D12
D13
D14
D15
HWR
INT0
RD
LWR
CS
RST
DREQ0
DACK0
I/O BLOCK
USB-IP
OSCILLATION
BUFFER
/48MHzPLL
VBUS
INPUT CIRCUIT
D+ PIN PULLUP
CIRCUIT
USB
TRANSCEIVER
TRANSFER
CONTROLLER
SERIAL
INTERFACE
ENGINE
(SIE)
INTERRUPT CONTROLLER
ENDPOINT
CONTROLLER
FIFO MEMORY CONTROLLER
FIFO MEMORY
BUS
INTERFACE
UNIT
(BIU)
