DTR-8.2
MAIN MICROPROCESSOR
Terminal Descriptions
No. FunctionI/O Act.DescriptionNo.FunctionI/OAct.Description
8 BYTEIInput pin to change the width of external data bus. Connect to Vss.52ADR152OHSignal output pin to control address 15 of flash memory for second DSP.
9 CNVSSIInput pin to change the processor mode. Connect to Vss.53ADR162OHSignal output pin to control address 16 of flash memory for second DSP.
12 ~RESETIReset pin of microprocessor54ADR172OHSignal output pin to control address 17 of flash memory for second DSP.
13 XOUTOOutput pin of main clock oscillator55DFSDACOHDAC sampling control output pin.
14 VSSIGround pin56~DARSTOLReset output pin for six channels DAC.
15 XINIInput pin of main clock oscillator57~CODECPDOLReset output pin for CODEC IC.
16 VCCIPower supply pin. Apply 5V.58DFSCOOHSampling frequency control output pin for CODEC IC.
18 PRTCTVIH Abnormal voltage/current detection input pin from protection circuit62VCCIPower supply pin. Apply 5V.
19 RDSSCKICLK Modulator clock signal input pin from RDS decoder IC.64VSSIPower supply pin. Connect to ground,
20 ~POFFIL Input pin from detection circuit of power failure68TRG12AOHOutput pin A to control the 12V trigger circuit.
21 ~PRTCTTHMIL Input pin from thermal detector circuit.69TRG12BOHOutput pin B to control the 12V trigger circuit.
22 SEC1HOH Output terminal to change voltage of main amplifier.70TRG12ZOHOutput pin to control the 12V trigger circuit of zone 2.
23 INT0IH Input terminal from interrupter output of DIR IC.71SPRLZ2OHOutput pin to control the speaker relay of zone 2.
24 INT1IH Output terminal to interrupter input of DIR IC.72SLRLFOHOutput pin to control the speaker relay.
25 (DSPWRITE)IL Input port for check when DSP flash write.73POWEROHOutput pin to control the relay of power source.
26 DIGSOOH Serial data output pin to DSP,DIR,DAC, nd Digital input ICs.74PLLCEOHLatch data output pin to PLL IC.
27 DIGSIIH Serial data input pin from DSP, and DIR ICs.75TUMUTOHMuting control output pin for tuner block.
28 DIGSCKO CLK Serial clock output pin to DSP,DIR,DAC,Digital input ICs.76~SDILSignal detection input pin from tuner section.
29 ~INTRQ1IL INTRQ input pin from DSP IC 2(CS49329)77~STEREOILStereo broadcast detection input pin.
30 ~INTRQ2IL INTRQ input pin from DSP IC 1(CS49300)78RDSDATAIHData input pin from RDS demodulator IC.
32 ~SUBRESETOL Reset signal output pin to sub-microprocessor.79RDSSIGIHCheck signal input pin of RDS demodulator IC.
33 ~SUBPOFFOL Output pin to connect to pin POFF of sub-microprocessor.81AMUTOHMuting control output pin for audio circuit.
34 ~SUBREQIL Communication request input pin from sub-microprocessor.82Z2LMUTOHMuting control output pin for line of zone 2.
35 MAINSOOH Serial data output pin to sub-microprocessor.83Z2MUTOHMuting control output pin for zone 2.
36 MAINSIIH Serial data input pin from sub-microprocessor.84VPCLKOHSerial clock output pin to electrical volume and PLL IC,
37 MAINSCKO CLK Serial clock output pin for communication of main and sub-microprocessors.85VPDATAOHSerial data output pin to electrical volume and PLL IC,
38 ~MAINREQOL Communication request output pin of main microprocessor.86VSTBOHStrobe output pin to electrical volume IC.
39 ~DIRCSOL Chip select output pin of DIR IC,87TCS2OLChip select output pin to tone control IC of surround and center channels.
40 ~DIRRSTOL Reset signal output pin to DIR IC,88TCS1OLChip select output pin to tone control IC of front channel..
41Writing port of flash memory IC.89TDATAOHSerial data output pin to tone control IC.
42 ~DSPRST1OL Reset signal output pin to DSP IC 2. 90TCLKOCLK Serial clock output pin to tone control IC.
43 ~DSPCS1OL Chip select output pin to DSP IC 1.91FSTBOHStrobe output pin to function switch ICs.
44 FMEM/SRAM1OH Memory select output pin to RAM.92FDATAOHSerial data output pin to function switch ICs.
45 ADR151OH Signal output pin to control address 15 of flash memory for first DSP.K93OCFCLL K Serial clock output pin to function switch ICs.
46Port to write the flash memory IC.94HPMUTOHMuting control output pin for headphone circuit.
47 ADR161OH Signal output pin to control address 16 of flash memory for first DSP.96VSSIPower supply pin for A/D converter. Connect to ground.
48 ADR171OH Signal output pin to control address 17 of flash memory for first DSP.97VOLHIHMeasurement input pin of main amplifier output.
49 ~DSPRST2O9o Reset output pin to DSP IC 2.98VREFIReference voltage input pin for A/D converter.
50 ~DSPCS2OL Chip select output pin to DSP IC 2.99VCCIPower supply pin for A/D converter. Apply 5V.
51 FMEM/SRAM2OH2nd DSP memory select output pin.L=FLASH,H=SRAM
DTR-8.2 |
ACEC
INTEGRA
