Kenwood TKR-740, Руководство по обслуживанию

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TKR-740
43
SEMICONDUCTOR DATA
Pin No. Port name I/ O Function
Pin No. Port name I/ O Function
MAIN CPU : 30622M4-103GP (CONTROL UNIT IC17)
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Pin function
1 HSDO O High speed data output
2 LSDO O Low speed data output
3 P92 - Not used
4 IACK I DSP IDM A Acknow lege input
5 EPR O RX PLL data strobe output
6 BYTE I +5V
7 CNVss I GND
8 PAG O Digital pager signal output
9 LDR I RX PLL lock detect input
10 RESET I M icrocomputer reset input
11 Xout - 14.745M Hz (system clock)
12 Vss - GND
13 Xin - 14.745M Hz (system clock)
14 Vcc - +5V
15 NM I - Not used
16 M DAT I Not used
17 TEST I Test sw itch input
18 M AIN I M ain/Sub CPU select input (H:Sub,L:M ain)
19 CK O Common data output
20 DT O Common clock output
21 M ON I M onitor sw itch input
22 SC I Squelch control input
23 RPTT I Remote PTT input
24 AUXI2 I Auxiliary input 2
25 CHECK - Check port
26 PTT I PTT sw itch input
27,28 PC0,1 - Not used
29 TXD1 O Serial interface output 1 (ex. PC)
30 RXD1 I Serial interface input 1 (ex. PC)
31 SCL O Serial EEPROM clock output
32 SDA I/O Serial EEPROM data input/output
33 TXD O Serial interface output 0 (ex. PC)
34 RXD I Serial interface input 0 (ex. PC)
35 CP O PLL clock output
36 DP O PLL data output
37 RDY I CPU ready input
38 ALE - Not used
39 HOLD - Not used
40 HLDA - Not used
41 BCLK O Sub CPU clock output
42 RD O Flash memory/Sub CPU RD bus
43 BHE - Not used
44 WR O Flash memory/Sub CPU WR bus
45 LDT I TX PLL lock detect input
46 SRST O Sub CPU reset output
47 CS1 O Sub CPU chip select
48 CS0 O Flash memory chip select
49 A19 O Not used
50~59 A18~9 O Flash memory address bus
60 Vcc - +5V
61 A8 O Flash memory address bus
62 Vss - GND
63~70 A7~0 O Flash memory/Sub CPU address bus
71 IWR O DSP IDM A w rite output
72 IRD O DSP IDM A read output
73 IAL O DSP IDM A address latch output
74 IS O DSP IDM A select output
75 PF3 O DSP RX mute control output
76 PF2 - Not used
77 PF1 O DSP modulation control output
78 PF0 - Not used
79~86 D7~0 I/O Flash memory/Sub CPU data bus
87 AN7 I Forw ard pow er voltage input
88 AN6 I Reverse pow er voltage input
89 AN5 I TX VCO voltage input
90 AN4 I RX VCO voltage input
91 AN3 I RSSI level input
92 AN2 I Pow er supply voltage input
93 AUXI1 I Auxiliary input 1
94 Avss - GND
95 AUXI3 I Auxiliary input 3
96 Vref I +5V
97 Avcc I GND
98 IRQ2 O DSP interrupt request output
99 PF6 O DSP M ic mute control output
100 PF5 O DSP TX/RX control output
SUB CPU : 30622M4-103GP (CONTROL UNIT IC18)
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Pin function
1 P94 - Check port
2 BLT - Not used
3 EN7 O LED data strobe output
4,5 SW6,5 I PF6,5 key input
6 BYTE I GND
7 CNVss I GND
8,9 P87,86 - Not used
10 RST I M icrocomputer reset input
11 Xout - 14.745M Hz (system clock)
12 Vss - GND
13 Xin - 14.745M Hz (system clock)
14 Vcc - +5V
15 NM I - Not used
16 WR I Write enable input
17 RD I Read enable input
18 SUB I M ain/Sub CPU select input (H:Sub,L:M ain)
19 RDY O M ain CPU ready control output
20 P80 - Not used
21~24 SW4~1 I PF4 ~1key input
25 EST O TX shift register data strobe output
26 EVT O TX D/A converter IC data strobe output
27 PRT I Exiciter Temperature detect input
28 BEAT O Beat shift control (H:ON,L:OFF)
29,30 P67,P66 - Not used
31~34 VS4~1 O Voice scrambler data output 4~1
35 OPT O Option board cotrol output (H:OFF,L:ON)
Pin No. Port name I/ O Function