Kenwood TKR-740 Service Manual

Also see for TKR-740: Brochure & specs Instruction manual Instruction manual Service manual

TKR-74044DSP : ADSP2185BST133 (CONTROL UNIT IC30)■ Pin function1,2 IAD3,4 I/O Internal DM A port / Sub CPU3 GND - GND4~11 IAD5~12 I/O Internal DM A port / Sub CPU12 GND - GND13 CLKIN I Clock input / 16.515072M Hz14 XTAL I Clock input / 16.515072M Hz15 Vdd - Vdd16 CLKOUT O DSP clock output / 33.030144M Hz17 GND - GND18 Vdd - Vdd19 WR O M emory Write Enable / NC20 RD O M emory Write Enable / NC21 BM S O Byte memory select / pull up22 DM S O Data memory select / NC23 PM S O Program memory select/NC24 IOM S O M emory select/NC25 CM S O Combined memory select / NC26 PF4 O Prog. I/O / CODEC reset27 PF5 I Prog. I/O / M ain CPU / M ic mute,0:OFF / 1:ON28 GND - GNDPin No. Port name I/ O FunctionPin No. Port name I/ O Function29 PF6 I Prog. I/O / M ain CPU / TX / Rxcontrol,0:TX / 1:RX30 IRQ2 I Interrupt Req./pull up31 DTO I/O SPORT0 / CODEC / CODEC Data32 TFS0 I/O SPORT0 / CODEC,Devider / CODEC Data33 RFS0 I/O SPORT0 / CODEC,Devider / CODEC Data34 DRO I/O SPORT0 / CODEC / CODEC Data35 SCLKO I/O SPORT0 / CODEC,Devider / CODEC Data36 Vdd - Vdd37 DT1 I/O SPORT1 / CODEC38 TFS1 I/O SPORT1 / CODEC,Devider39 RSF1 I/O SPORT1 / CODEC,Devider40 DR1 I/O SPORT1 / CODEC41 GND - GND42 SCLK1 I/O SPORT1 / CODEC,Devider43 ERESET - Emulation / ICE conector44 RESET I Reset IN/Reset IC,ICE conector/DSP reset45 EM S - Emulation / ICE conector46 EE - Emulation / ICE conector47 ECLK - Emulation / ICE conector48 ELOUT - Emulation / ICE conector49 ELIN - Emulation / ICE conector50 EINT - Emulation / ICE conector51 EBR Emulation / ICE conector52 BR I Bus request / pull up,ICE conector53 EBG Emulation / ICE conector54 BG O Bus request / ICE conector55~57 IAD13~15 I/O Internal DM A port / Sub CPU58 IACK O IDM A Acknow lege / M ain CPU59 Vdd - Vdd60 GND - GND61 IS I IDM A Select / pull up, M ain CPU62 IAL I IDM A Address Latch / pull up, M ain CPU63 IRD I IDM A Read Enable / pull up, M ain CPU64 IWR I IDM A Write Enable / pull up, M ain CPU65 D8 I/O Data I/O / NC66 GND - GND67 Vdd - Vdd68~70 D9~11 I/O Data I/O / NC71 GND GND72~79 D12~19 I/O Data I/O / NC80 GND - GND81~84 D20~23 I/O Data I/O / NC85 FL2 O Output Frag / CODEC M C terminal86 FL1 O Output Frag / CODEC M D terminal87 FL0 O Output Frag / CODEC M L terminal88 PF3 I Prog. I/O / M ain CPU / RX mute 0:OFF / 1:ON89 PF2 I M ode Select / pull up / HOST mode select90 Vdd - Vdd91 PWD I Pow er Control/VDD92 GND - GND93 PF1 I M ode Select / pull dow n / HOST mode select94 PF0 I M ode Select / pull up / HOST mode select95 BGH O Bus Grant Hung / NC96 PWDACK O Pow er Control / NC97 A0 O Address / NC98~100 IAD0~2 I/O Internal DM A port / Sub CPUPin No. Port name I/ O Function36 TOV O Take over control output37 SPS O Local speaker output select38 RAS O RA output select39 TOS O TO output select40 HSDS O High speed data output control41 HM T O High speed data mute control42 INC - Not used43 M DS O M odulation select44 M IS O M ic select45~50 IAD15~10 I/O DSP IDM A address/data bus51~59 IAD9~1 I/O DSP IDM A address/data bus60 Vcc - +5V61 IAD0 I/O DSP IDM A address/data bus62 Vss - GND63~70 A7~0 I Address bus71 D7 I/O Data bus72~78 D6~0 I/O Data bus79 M UTE O Local speaker mute control output80~86 I/O7~1 I/O Auxiliary input/output 7~187~90 AN7~4 - Not used91 EVR O RX D/A converter IC data strobe output92 ESR O RX shift register data strobe output93 AN1 - Not used94 Avss - Not used95 AN0 - Not used96 Vref - Not used97 Avcc - Not used98 EVC O Control D/A converter IC data strobe output99 ESC O Control shift register data strobe output100 OEC O Control shift register data output enableSEMICONDUCTOR DATA