Kenwood TS-990S Service Manual page 74

TS-990S
Pin No. Name I/O
67 PCTS I
68 PRTS O
69 HCENCB I
70 LCENCB I
71 MULTIB I
72 LDRV O
73~79 KI7~KI1 I
80 SRDATA O
81 SRCLK O
82 SRENA O
83 LTRACK O
84 LSLOCK O
85 VCC2 I
86 KI0 I
87 VSS -
88 LMAPF O
89 LMMUTE O
90 MULTIA I
91 PFPRG I/O Setup fi rmware write mode
92~95 NC -
96 HCENCA I
97 LCENCA I
98 PBKC I
99 LSNCH O
74
SEMICONDUCTOR DATA
Function
CTS port for connection with the main
MCU
RTS port for connection with the main
MCU
Hi cut encoder pulse B input
Low cut encoder pulse B input
Multi encoder pulse B input
DRV LED (green)
H: Light
Key scan input bit 7~1
Shift register data output
Shift register clock output
Shift register enable output
TRACK LED (green)
H: Light
Sub lock LED (yellow)
H: Light
Power supply input VCC2 (3.3V)
Key scan input bit 0
GND
Main APF LED (green)
H: Light
Main MUTE LED (yellow)
H: Light
MULTI encoder pulse A input
Not used
Hi cut encoder pulse A input
Low cut encoder pulse A input
Reduced voltage detection interrupt
Sub NOTCH LED (green)
H: Light
Pin No. Name I/O
The serial port for connection with the
100 PATXD O
apprication MCU
The serial port for connection with the
101 PARXD I
apprication MCU (not used)
Sub ANOTCH LED (green)
102 LSANCH O
H: Light
Sub BEF LED (green)
103 LSBEF O
H: Light
104~ KO7~
O Key scan output bit 7~0
111 KO0
112 PAPUON O Touch panel SW PULL UP ON
113 TPPRES O Touch panel SW PRESS
114 PA_Y2 O Touch panel SW Y2
115 PA_Y1 O Touch panel SW Y1
116 PA_X2 O Touch panel SW X2
117 PA_X1 O Touch panel SW X1
Sub APF LED (green)
118 LSAPF O
H: Light
Sub MUTE LED (yellow)
119 LSMUTE O
H: Light
PA_
120 I Touch panel detection input Y+
Y+(YU)
PA_Y-
121 I Touch panel detection input Y-
(YD)
PA_
122 I Touch panel detection input X+
X+(XU)
PA_Y-
123 I Touch panel detection input X-
(XD)
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 GND
128 MPI2 I Multi plexer data input (A/D)
Function