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1
QQ
3 7 63 1515 0
No.
Pin Name
A
PF0
41
42
PF1
43
PF2
44
PF3
45
PF4
46
PF5
47
PF6
48
PF7
49
SI2P0/SO2
B
50
SI2P1/SI2/SB2
51
SI2P2/SCK2
52
SI2P3/SCK2O
53
PWM1
54
PWM0
55
VDD2
56
VSS2
57
PO0
58
PO1
C
59
PO2
60
PO3
61
PO4
TE
L 13942296513
62
PO5/CKO
63
PO6/T6O
64
PO7/T7O
65
P20/INT4/T1IN/TOCLP/TOHCP/INT6 STATCHG
66
P21/INT4/T1IN/TOCLP/TOHCP
67
P22/INT4/T1IN/TOCLP/TOHCP/HCTR CSYNCIN
D
68
P23/INT4/T1IN/TOCLP/TOHCP
69
P24/INT5/T1IN/TOCLP/TOHCP/INT7 MRST
70
P25/INT5/T1IN/TOCLP/TOHCP
71
P26/INT5/T1IN/TOCLP/TOHCP
72
P27/INT5/T1IN/TOCLP/TOHCP
73
P30/PWM4
74
P31/PWM5
75
P32/UTX1
76
P33/URX1
E
77
P34/UTX2
78
P35/URX2
79
P36
80
VDDODA
www
F
76
1
http://www.xiaoyu163.com
2
Signal Name
I/O
LET
O
SQU
O
RGBSEL
O
XTUMODE
O
S1
O
XLPTHRU
O
PSMUTE
O
O
XAVLTH
NC
O
NC
O
NC
O
RFTHRU
O
NC
O
FANCTRL
O
−
VDD2
−
GND
P_CONT2
O
MUTECTL
O
EPGEXT
O
TUON
O
SWVION
O
P_CONT
O
FLON
O
XP_SAVE
O
I
J_CLOCK
I
I
XCHECKER
I
I
AVLIN
I
NC
O
BLANKIN
I
LEDDVD
O
LEDHDD
O
TXD1
O
RXD1
I
TXD2
O
RXD2
I
HS_TTOM
O
−
VDDODA
x
ao
y
.
i
DVR-230-S
2
http://www.xiaoyu163.com
3
8
Function
Letter-box output superimposed signal
Squeese output superimposed signal
Input RGB selection
S1/S2 selection signal
Through selection of AV.Link communication line
RF through selection of tuner
Rotaion speed control of radiating fan
Main board power control
Equaliser selection of slicer input video
Power control for tuner section
Power control for tvideo section
Q Q
3
6 7
1 3
Power control for whole system
Power control for FL tube
Detection of audio multi-plex status change of MSP
Input audio for Just Clock
C-sync for Auto-Rec
Detection of attaching the unit checker
Detection of abnormality of Main Board power
Input line of NexTViewLink
DVD indicator
HDD indicator
Transmission for RS232-C terminal
Reception for RS232-C terminal
Reservation
Reservation
SYS → Tuner
Handshaking of sys con
u163
.
3
4
2 9
9 4
2 8
Active
1 5
0 5
8
2 9
9 4
m
co
4
9 9
2 8
9 9
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