Kenwood TS-990S Service Manual

Also see for SP-990: Instruction manual

Contents

TS-990S74SEMICONDUCTOR DATAPin No. Name I/O Function67 PCTS I CTS port for connection with the mainMCU68 PRTS O RTS port for connection with the mainMCU69 HCENCB I Hi cut encoder pulse B input70 LCENCB I Low cut encoder pulse B input71 MULTIB I Multi encoder pulse B input72 LDRV O DRV LED (green)H: Light73~79 KI7~KI1 I Key scan input bit 7~180 SRDATA O Shift register data output81 SRCLK O Shift register clock output82 SRENA O Shift register enable output83 LTRACK O TRACK LED (green)H: Light84 LSLOCK O Sub lock LED (yellow)H: Light85 VCC2 I Power supply input VCC2 (3.3V)86 KI0 I Key scan input bit 087 VSS - GND88 LMAPF O Main APF LED (green)H: Light89 LMMUTE O Main MUTE LED (yellow)H: Light90 MULTIA I MULTI encoder pulse A input91 PFPRG I/O Setup fi rmware write mode92~95 NC - Not used96 HCENCA I Hi cut encoder pulse A input97 LCENCA I Low cut encoder pulse A input98 PBKC I Reduced voltage detection interrupt99 LSNCH O Sub NOTCH LED (green)H: LightPin No. Name I/O Function100 PATXD O The serial port for connection with theapprication MCU101 PARXD I The serial port for connection with theapprication MCU (not used)102 LSANCH O Sub ANOTCH LED (green)H: Light103 LSBEF O Sub BEF LED (green)H: Light104~111KO7~KO0 O Key scan output bit 7~0112 PAPUON O Touch panel SW PULL UP ON113 TPPRES O Touch panel SW PRESS114 PA_Y2 O Touch panel SW Y2115 PA_Y1 O Touch panel SW Y1116 PA_X2 O Touch panel SW X2117 PA_X1 O Touch panel SW X1118 LSAPF O Sub APF LED (green)H: Light119 LSMUTE O Sub MUTE LED (yellow)H: Light120 PA_Y+(YU) I Touch panel detection input Y+121 PA_Y-(YD) I Touch panel detection input Y-122 PA_X+(XU) I Touch panel detection input X+123 PA_Y-(XD) I Touch panel detection input X-124 MU I MIC up key input (A/D)125 MD I MIC down key input (A/D)126 MPI1 I Multi plexer data input(A/D)127 AVSS - Analog GND128 MPI2 I Multi plexer data input (A/D)