DVR-3100-S
97
5
7
8
5
7
8
C
D
F
A
B
E
No.
Pin Name
Signal Name
I/O
Function
Active
41
P64/-CTS1/-RTS1/CLKS1
BUSY
O
Communication line for firmware download/monitor
−
42
P63/TxD0
SSTTOM
O
SYS controller communication line (Tuner
→
Main)
−
43
P62/RxD0
SSMTOT
I
SYS controller communication line (Main
→
Tuner)
−
44
P61/CLK0
SCK
I
SYS controller communication line (clock)
↑
45
P60/-CTS0/-RTS0
HSTTOM
O
Tuner
→
SYS handshake
L
46
P57/-RDY/CLKout
DLCONT
O
Voltage supply SW of FLASH-ROM writing
L
47
P56/ALE
WRT
O
Write signal
H
48
P55/-HOLD
SDAEEP
I/O
SDA line for EEPROM
−
49
P54/-HLDA
SCLEEP
O
SCL line for EEPROM
−
50
P53/BCLK
VOLCE
O
Communication line CE
H
51
P52/-RD
VOLDATA
O
Communication line DATA
−
52
P51/-WRH/-BHE
VOLCLK
O
Communication line CLK
−
53
P50/-WRL/-WR
DLCE
I
Signal for serial I/O mode selection
−
54
P47/-CS3
S1
O
55
P46/-CS2
LET
O
Letterbox signal add
H
56
P45/-CS1
SQU
O
Squeeze signal add
−
57
P44/-CS0
BLANK
I
BLANK signal input
−
58
P43/A19
XTHROU
O
Through control of SCART1/2
L
59
P42/A18
NC
(O)
−
60
P41/A17
SEL1
O
Parallel control (for audio switch)
−
61
P40/A16
SWVION
O
Independent source SW for video I/O output circuit
H
62
P37/A15
SWSTBY
O
Standby mode of video input selector
H
63
P36/A14
BS15ON
O
64
P35/A13
BS15SRT
I
65
P34/A12
SCTHRU
O
SCART loop through control during power OFF
L
66
P33/A11
BS15IN
I
67
P32/A10
SDET3
I
S terminal detection of Video input 3
L
68
P31/A9
SDET2
I
−
−
S terminal detection of Video input 2
L
69
Vcc
VCC
70
P30/A8
SDET1
I
S terminal detection of Video input 1
L
71
Vss
GND
SELV1
O
Parallel control
−
SELV2
O
Parallel control
−
SELV3
O
Parallel control
−
YVSEL
O
CVBS/YC switch of Video input selector
−
P_SAVEBS
O
RF through output switch
H
FOMO
O
−
M1ONTA
O
−
P_CONT
O
System Power ON
H
NC
(O)
−
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