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3 7 63 1515 0
No.
Port
31
TXD1
32
RXD1
33
CLK1
34
P64
35
TXD0
36
P62
37
CLK0
38
P60
39
P57
40
P56
41
42
P54
43
P53
44
P52
45
P51
46
47
P47
48
P46
49
P45
50
P44
51
P43
52
P42
53
P41
54
P40
55
P37
56
P36
57
P35
TE
L 13942296513
58
P34
59
P33
60
P32
61
P31
62
Vcc
63
P30
64
Vss
65
P27
66
P26
67
P25
68
P24
69
P23
70
P22
71
P21
72
P20
73
INT5
74
INT4
75
INT3
76
P14
77
P13
78
P12
79
P11
80
P10
81
P07
www
82
P06
83
P05
84
P04
.
85
P03
86
P02
87
P01
88
P00
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Name
I/O
Detail of function
TXDF
FLASH
Flash ROM serial write data transmission
RXDF
FLASH
Flash ROM serial data reception
CLKF
FLASH
Flash ROM serial clock
BSY
FALSH
Flash BUSY signal output
SDT
SO
CODEC DATA OUT
SCK
SCK
CODEC CLK OUT
GND
For flash writing (LO)
I
For flash writing (HI)
2E_CE
O
EEPROM CE
VRB
I
Volume Rotary B
VRA
I
Volume Rotary A
LK1
O
LED
LK2
O
LED
LK3
O
LED
LK4
O
LED
LK5
O
LED
LK6
O
LED
LK7
O
LED
Vcc
O
Power supply to microprocessor +5V
LK8
O
LED
Vss
Vss
Microprocessor ground
LA1
O
LED
LA2
O
LED
PSW
INT
Standby SW INPUT
PDET
INT
Power Down DETECT INT
SPMUTE
O
MUTE SPOUT
HPMUTE
O
MUTE HEADPHONE/SPOUT (FL, FR)
STBY
O
Power IC standby
x
ao
u163
y
i
CDRST
O
CODEC reset
VCE
O
Electronic volume IC Chip Enable
VINT
O
Electronic volume DC bias initialize
O
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
TSS-10
9 9
9 9
17
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