50
GEX-P900DAB
-
Pin Functions (PD5440A)
Pin No.
Pin Name
I/O
Function and Operation
1,2
NC
Not used
3
DA1
Not used
4
DA0
Not used
5
NC
Not used
6
NULLIN
I
NULL signal input
7
NC
Not used
8
BYTE
External data bus wides select input
9
CNVSS
Processor mode select input
10,11
NC
Not used
12
reset
I
Reset input
13
XOUT
O
Clock oscillation output
14
VSS1
Power supply
15
XIN
Clock oscillation input (10MHz)
16
VCC1
Power supply
17
NMI
I
NMI input
18
CFIC
I
SAA3500 CFIC input
19
ASENS
I
Acc sense input (Acc-ON:H)
20
bsens
I
B.up sense input (B.up-ON:L)
21
IPIN1
I
Connect to 29pin
22
IPPW
O
IP-BUS Power supply SW
23,24
NC
Not used
25
L3EN
O
L3BUS input mode enable
26
PWMOUT
O
VCX0, PWM output
27,28
NC
Not used
29
IPIN2
I
IP-BUS input (KEYDISP input)
30
IPOUT
O
IP-BUS output (KEYDISP output)
31
L3OUT
O
L3BUS data output
32
L3IN
I
L3BUS data input
33
L3CLK
O
L3BUS clock output
34
L3MODE
O
L3BUS mode output
35
TxD
O
36
AICDT
I
AIC data input
37
AICCLK
I
AIC clock input
38
AICWIN
I
AIC window input
39
int@%)@
I
SAA2502 INTERRUPT
40
icreset
O
IC reset output (SAA3500)
41
OPTEN
O
Optical output enable
42
MPEGRES
O
IC reset output (SAA2502)
43
DABPW
O
DAB power supply SW
44
OPTPW2
O
Optical power supply SW
45
OPTPW1
O
Optical power supply SW
46
SYSPW
O
SYSTEM power supply SW
47
sfcres
O
IC reset output (SM5844)
48
DABMUTE
O
DAB mute output (non circuit)
49
SYSMUTE
O
SYSTEM mute output
50
busmute
O
BUS mute output
51
MODEL
I
Destination sense input
52
NC
Not used
53
SEL2
O
Audio selector (OPT)
54
SEL1
O
Audio selector (IPBUS-line)
55
OPTSW
I
Light connector sense
56
dacstby
O
DAC power down
57
DACMUTE
O
DAC mute
58
SFCMUTE
O
SFC (SM5844) mute
59
MPEGMUTE
O
MPEG (SAA2502) mute
60,61
NC
Not used
Summary of Contents for CRT2193
Page 4: ...4 GEX P900DAB 2 2 EXTERIOR ...
Page 8: ...8 GEX P900DAB DIGITAL SECTION A 3 3 A 1 2 3 4 B C D 1 2 3 4 A a A b A a 1 3 ...
Page 9: ...9 GEX P900DAB SYSTEM CONTROL RF SECTION A 2 3 5 6 7 8 A B C D 5 6 7 8 A a A b A a 1 3 ...
Page 15: ...15 GEX P900DAB L BAND DOWN CONVERTOR 5 6 7 8 A B C D 5 6 7 8 A a A b A a 2 3 ...
Page 17: ...17 GEX P900DAB DIGITAL SECTION A 3 3 A 1 3 5 6 7 8 A B C D 5 6 7 8 A a A b A b 2 3 ...
Page 20: ...20 GEX P900DAB DAB DECODER RF SECTION A 2 3 A 1 2 3 4 B C D 1 2 3 4 A a A b A a 3 3 ...
Page 23: ...23 GEX P900DAB SELECTOR DAC OPT IN OUT A 1 3 5 6 7 8 A B C D 5 6 7 8 A a A b A b 3 3 ...
Page 24: ...A MAIN UNIT 24 GEX P900DAB A 1 2 3 4 B C D 1 2 3 4 4 PCB CONNECTION DIAGRAM 4 1 MAIN UNIT A ...
Page 26: ...26 GEX P900DAB A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT A ...
Page 27: ...27 GEX P900DAB 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...
Page 42: ...42 GEX P900DAB AK4321VFP TC74HC126AF TC74HCT541AF ...