Kenwood TK-885, Руководство по обслуживанию

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TK-885
Pin No. Name I/O Function
36 RFCLK O Common clock output. (TX-RX unit)
37 RDY - Not used.
38 ALE - Not used.
39 HOLD - Not used.
40 HLDA - Not used.
41 BLCK - Not used.
42 RD - Flash memory RD bus.
43 BHE - Not used.
44 WR - Flash memory WR bus.
45 DTMCLK O DTMF decode IC clock output.
46 CNTCLK O Common clock output. (Control unit)
47 EP O PLL IC data strobe output.
48 CSO O Flash memory chip enable.
49 A19 - Not used.
50~59 A18~A9 - Flash memory address bus.
60 VCC - +5V.
61 A8 - Flash memory address bus.
62 VSS - GND.
63~70 A7~A0 - Flash memory address bus.
71~74 KEY1~KEY4 I/O Key matrix data input/output 1~4.
75 MINDAT O Common data output.
76~78 KEY5~KEY7 I Key matrix data input 5~7.
79~86 D7~D0 - Flash memory data bus.
87 DTMDAT I DTMF decode IC data input.
88 AUXDTC I External DTC input.
89 MICBLC O MIC back light control output.
90 POWSW I Power switch input.
91 ANLSQL I Squelch level input.
92 PTT I PTT switch input.
93 RSSI I Received signal strength indicator
input.
94 AVSS - GND.
95 LSDIN I Low speed data input.
96 VREF - +5V.
97 AVCC - +5V.
98 ES1 O Shift register data strobe output.
(Control unit)
99 ES2 O Shift register data strobe output.
(TX-RX unit)
100 AFSTB O AF IC data strobe output.
SEMICONDUCTOR DATA /