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MAIN MICROPROCESSOR-TERMINAL DESCRIPTION
No.
Function
I/O
1 DSPDA
O
Serial data output pin to transfer the data to DSP, DIR, Nettune DAC and Second PLL ICs.
2 DSPCL
O
Serial clock output pin to transfer the data to DSP, DIR and Nettune DAC ICs.
3 TNCL
CLK Serial clock output pin for the tone control ICs.
4 Z2LMUT
O
Muting control signal output pin for line of zone 2 channel.
5 HPMUT
O
Muting control signal output pin for headphone.
6 Z2MUT
O
Muting control signal output pin for zone 2 channel when the power source is turned on.
7 AMUT
O
Muting control signal output pin of analog section.
8 VSS
External data bus width select pin.
9 VSS
Processor mode select pin
10 ~PRTCTTHM
I
Detection input pin for thermal protect.
11 SEC1H
O
Primary voltage select pin for main amplifier.
12 ~RESET
System reset input pin
13 XOUT
System clock output pin. Connect 16MHz ceramic resonator between #13 and #15.
14 VSS
Ground pin.
15 XIN
System clock input pin. Connect 16MHz ceramic resonator between #13 and #15.
16 VCC
Power supply pin. Apply 5V.
17
I
Not used.
18 PRTCTV
I
Detection input pin for protection circuit of abnormal voltage and current.
19 RDSCL
I
Serial clock input pin of RDS demodulator.
20 ~POFF
I
Power failure detection input pin.
21 ~RDSID
I
Identification input pin of RDS demodulator.
22 RDSDA
I
Serial data input pin to transfer RDS demodulator.
23 ~XPOR
O
Reset output pin to multi media microprocessor when power is turned on.
24 ~XDACS
O
Chip select output pin of DAC for Nettune.
25 ~XDARST
O
Reset signal output pin of DAC for Nettune.
26 ~TNCS1
O
Chip select output pin for tone control IC of front channel.
27 NPOWER
O
Power supply control output pin of audio circuit.
28 TNDA
O
Serial data output pin to tone control IC.
29 IICSCL
O
Serial clock output pin to Y/C, Component separation IC.
30 IICSDA
O
Serial data output pin to Y/C, Component separation IC.
31 ~XPOWER
O
Power supply control output pin. Not used.
32 ~SUBRESET
O
Reset signal output pin for submicroprocessor.
33 ~SUBPOFF
O
Power off output pin to submicroprocessor
34 ~SUBREQ
I
Transfer request signal input pin for submicroprocessor.
35 MAINSO
O
Serial data output pin to transfer data between main and submicroprocessor.
36 MAINSI
I
Serial data input pin to transfer data between main and submicroprocessor.
37 MAINSCK
O
Serial clock output pin to transfer data between main and submicroprocessor.
38 ~MAINREQ
O
Request signal output pin to transfer data between main and submicroprocessor.
P57
Not used.
39
O
Not used.
40 (2ndBTACT)
O
41
P55
I
Mode setting pin to write the program on flash microprocessor.
42 ~DIRCS
O
Chip select output pin to DIR(AK4114) IC.
43 ~DIRRST
O
Reset output pin to DIR IC.
44 DFS
O
DFS output pin of DAC and CODEC ICs.
45 ~DAPD
O
Power down output pin of DAC.
P50
46
I
Write mode setting pin of flash microprocessor.
47 K
I
Lock input pin of second PLL IC.
48 2NDPLLCL
O
Clock output pin to second PLL IC.
49 2NDPLLCS
O
Chip select output pin of second PLL IC.
50 EX
O
Input select output pin of nettune.
Description
No.
Function
I/O
51 ~CODECPD
O
Power down output pin of CODEC IC.
52 UPSMPL
O
Clock select output pin for up-sampling.
53 ~DSP1RST
O
Reset output pin of first DSP IC.
54 DSP1PM
O
PLL initializing output pin of first DSP IC.
55 DSP1GP8
O
PCM or Non PCM information output pin of first DSP IC.
56 DSP1BST
O
Host I/F bootstrap output pin of first DSP IC.
57 ~DSP1HCS
O
Host I/F chip select output pin of first DSP IC.
58 ~DSP2RST
O
Second DSP reset output pin.
59 DSP2BST
O
Host I/F bootstrap output pin of second DSP IC.
60 ~DSP2HCS
O
Host I/F chip select output pin of second DSP IC.
61 (2ndBOOT)
O
"L" fixed output pin.
62 VCC
Power supply pin. Apply +5V.
63 (2ndPAGESEL O
"H" fixed output pin.
64 VSS
Power supply pin. Ground
65 (HPAGE)
O
"L" fixed output pin.
Clock output pin for DAC of DTC.D
66 DTCDACCL
O
67 DTCDACCS
O
Chip select output pin for DAC of DTC.D
68 DTCDACDA
O
data output pin for DAC of DTC.D
69 (2ndGP10)
O
"L" fixed output pin.
70 ~DSP2HACN
I
Host I/F acknowledgement input pin of second DSP.2
Host I/F acknowledgement input pin of first DSP.1.
71 ~DSP1HACN
I
Host I/F serial data output pin to second DSP IC.
72 DSP2HDOUT
I
73 DIRINT1
I
INT 1 input pin of DIR IC.
74 DIRINT0
I
INT 0 input pin of DIR IC.
75 ~TNCS2
O
Chip select output pin to tone control IC.
76 VPOWER
O
Power supply relay control output pin of video circuit.
77 12VTRGB
O
12V trigger output pin B.
78 12VTRGA
O
12V trigger output pin A.
79 12VTRGZ
O
12V trigger output pin ZONE 2.
80 SPRLZ2
O
Speaker relay control output pin for Zone 2.
81 SPRLF
O
Speaker relay control output pin for all channels.
82 APOWER
O
Power supply relay control output pin of audio circuit.
83 PLLCE
O
Chip enable output pin to PLL IC.
84 TUMUT
O
Muting control output pin for tuner section.
85 ~SD
I
Detection input pin for signal strength.
86 ~STEREO
I
Detection input pin for FM stereo broadcast.
87 AFSTB
O
Strobe signal output pin of analog function switch ICs.
88 AFDA
O
Serial data output pin for function switch ICs.
89 AFCL
O
Serial clock output pin for function switch ICs.
90 VPCL
O
Serial clock output pin for electric volume and PLL ICs.
91 VPDA
O
Serial data output pin for electric volume and PLL ICs.
92 VLSTB
O
Strobe output pin of electrical volume.
93 CDT0
I
Serial data input pin for DSP and DIR ICs.
94 DSP1GP9
I
Permission information input pin to read bit stream information of first DSP.
95 DSP1GP10
I
INTREQ input pin of first DSP IC.
96 VSS
Ground pin for A/D converter.
97 VOLH
I
Input pin to measure the output voltage of main amplifier.
98 VREF
Reference voltage input pin for A/D converter.
99 VCC
Power supply pin for A/D converter.
100 DSP1HDOUT
I
Serial data output pin of host I/F of first DSP.
DTR-7.4
Description
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