Scope-Sub Mcu - Kenwood TS-990S Service Manual

Pin No. Name I/O
71 VCTS I Virtual com port clear to send
72 MLPX2 I Multiplexer X-common data input
73 MLPY2 I Multiplexer Y-common data input
74 VCC - 3.3V power
75 MLPX3 I Multiplexer X-common data input
76 VSS - GND
77 MLPY3 I Multiplexer Y-common data input
78 SLDT O Sub local data output
79 SLCK O Sub local clock output
Programming mode request for main
80 FPRG I MCU
L: Programming mode
81 EEN O EEPROM enable (backup)
82 EDA O EEPROM data output (backup)
83 ESI I EEPROM data input (backup)
84 ECK O EEPROM clock (backup)
Power switch control (5V/8V/LCD driver
85 PSC O power)
H: Active
86 NC - No connection
87 NC - No connection
88 NC - No connection
Power switch control for 3.3V
89 PSC33 O
H: Active
Power switch control for 14V
90 14SW O
H: Active
91 VCC - 3.3V power
92 LOE O Output enable for extension port IC
93 VSS - GND
94 LDAT7 O Data bit 7 of extension port IC
95 LDAT6 O Data bit 6 of extension port IC
96 LDAT5 O Data bit 5 of extension port IC
97 LDAT4 O Data bit 4 of extension port IC
98 LDAT3 O Data bit 3 of extension port IC
99 LDAT2 O Data bit 2 of extension port IC
100 LDAT1 O Data bit 1 of extension port IC
101 LDAT0 O Data bit 0 of extension port IC
102 NC - No connection
103 ODP I Over drive protection
104 RTINTB I Interrupt signal_B from RTC IC
105 LE1 O Latch enable 1 of extension port IC
106 LE2 O Latch enable 2 of extension port IC
107 LE3 O Latch enable 3 of extension port IC
108 LE4 O Latch enable 4 of extension port IC
109 LE5 O Latch enable 5 of extension port IC
110 LE6 O Latch enable 6 of extension port IC
111 LE7 O Latch enable 7 of extension port IC
SEMICONDUCTOR DATA
Function Pin No. Name I/O
112 LE8 O Latch enable 8 of extension port IC
113 LE9 O Latch enable 9 of extension port IC
114 LE10 O Latch enable 10 of extension port IC
115 PHD I Output voltage of phase detector
116 AMD I Output voltage of amplitude detector
117 TTI I External antenna tuner signal
118 TSI I External antenna tuner signal
CTCSS detection from TXMRX-DSP
119 MCTDET I
H: detection
CTCSS detection from SRX-DSP
120 SCTDET I
H: detection
121 PSEDA O EEPROM data output (preselector)
122 PSESI I EEPROM data input (preselector)
123 PSECK O EEPROM clock (preselector)
External reference detect
124 ERDET I
H: External input
125 MLDT O Main local data output
126 MLCK O Main local clock output
127 MLPY1 I Multiplexer Y-common data input
128 MLPX1 I Multiplexer X-common data input
129 ACDCTH I AC/DC temperature detection
130 VSS - GND
131 VD I Drain voltage input for meter
132 VCC - 3.3V power
133 ID I Power current voltage
134 ALM I ALC meter voltage
135 SFSQL I Sub RX FM squelch voltage
136 SFSM I Sub RX FM S-meter voltage
137 MFSQL I Main RX FM squelch voltage
138 MFSM I Main RX FM S-meter voltage
139 VSRM I VSR meter voltage
140 VREFL - A/D converter reference "L" level (GND)
141 VSFM I VSF meter voltage
142 VREFH - A/D converter reference "H" level (3.3V)
143 AVCC - A/D converter power (3.3V)
144 RxD4 I E1 emulator communication
Scope-Sub MCU: F2136ACNFKEVA
(Control unit IC380)
Pin No. Name I/O
1 NC - No connection
2 NC - No connection
3 SMODE I E8a emulator communication
4 NC - No connection
Status of scope DSP
5 SCDHLT I
H: Normal
TS-990S
Function
Function
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