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39
39
HCD-AZ3DM/AZ7DM
HCD-AZ3DM/AZ7DM
7-3. BLOCK DIAGRAM – USB MEMORY SECTION –
3
2
1
D+
D–
VBUS
6
2
OUT
67
DAO
IN
53 USBH_DP
3 IN
7
OUT
5
4
OC
8
OUT
G
D+5.0V
EN
54 USBH_DN
19
BA
122 EXINT1
106 USBA_PWE
44 SD_CLK
XD0 – XD15
125 – 128,
2 – 6, 9 – 15
XA0 – XA18,
XA20, XA21
17 – 23, 26 – 31,
34 – 39, 42, 43
21 – 24,
27 – 32, 20
2, 3, 5, 6, 8,
9, 11, 12, 39, 40, 42,
43, 45, 46, 48, 49
DQ0 – DQ15
A0 – A10
XA13
XA0 – XA10
XA0 – XA18
16
#CAS
XA15
17
#RAS
XA16
36
UDQM
XA20
14
LDQM
35
CLK
XA21
56 SD_CKE
50 #CS3/#OE2
59 #OE
34
CKE
46 SD_#CS
18
#CS
58 #WE
15
#WE
USB POWER CONTROL
IC812
2 DATA
62
BCLK
1 BCK
R-CH
63
LRCK
3 LRCK
66
MCLK
60
UT_TX
61
UT_RX
16 SCK
115
SDO2
13 MD
116
SCK2
14 MC
117
SFRM2
107
MUTING
15 ML
D/A CONVERTER
IC804
36 SRXD
35 STXD
121
EXINT0
72
#RESET
21 SCOUT
22 SCIN
18 USB_A_DET
113
SFRM1
SYSTEM CONTROLLER
IC401 (3/6)
USB MEMORY CONTROLLER
IC801
SD-RAM
IC802
21 – 18, 8 –1,
48, 17, 16
29, 31, 33, 35, 38,
40, 42, 44, 30, 32, 34,
36, 39, 41, 43, 45
DQ0 – DQ15
A0 – A17
26
CE#
28
OE#
11
WE#
12
RESET#
FLASH MEMORY
IC803
7
VOL
43
P_TCC720
_MUTE
R-CH
8
VOR
USB AMP
IC811
MUTING
Q62
MUTING CONTROL
SWITCH
Q14
+
D8
D9
D5
97
TCC_RESET
• SIGNAL PATH
: USB STORAGE MEDIA PLAY
• R-ch is omitted due to same as L-ch.
USB-L
H
X801
12MHz
XIN
74
XOUT
75
CN802
USB
MEMORY
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