QP-750 Service Manual
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10
RESET
RESET
I
Input low level to enter all reset mode
11
XOUT
XOUT
O
Crystal oscillator output pin
12
VSS
GND
I
GND
13
XIN
XIN
I
Crystal oscillator output pin
14
VCC
VCC
I
VCC
15
P85/NMI
NMI
I
16
P84/INT2
AFRDF
I
2346 RDF
17
P83/INT1
NC
18
P82/INT0
AFCK
I
2346 TCLK
19
P81
NC
20
P80
MICAFMUTE
O
MICAFMUTE
21
P77
NC
22
P76/TA3O
CTCOUT
O
CTC _OUT (PWM) TO VCO
23
P75
NC
24
P74/TA2O
CTC_PLL
O
CTC_PLL (PWM)
25
P73
AFMUT
O
AFMUTE
26
P72/TA1O
EEDAT
O
EEPROM DATA, input/output.
27
P71/RxD2/TB5IN
EECLK
O
EEPROM CLK
28
P70/TxD2
NC
29
P67/TxD1
TXD
O
Serial date output.
30
P66/RxD1
RXD
I
Serial date input.
31
P65
Emulation extend
32
P64
Emulation extend
33
P63/TxD0
NC
34
P62/RxD0
NC
35
P61
NC
36
P60
NC
37
P57/RDY
AFDT
I/O
AK2346 TDATA
38
P56/ALE
CODIO
O
AK2346 Common date control.
39
P55/HOLD
Emulation extend
40
P54/HLDA
AFDIR
O
AK2346 DIR
41
P53/BLCK
NC
O
42
P52/RD
NC
O
43
P51/BHE
NC
O
44
P50/WR
Emulation extend
45
P47/CS3
NC
46
P46/CS2
INT-MIC-C
O
47
P45/CS1
EXT-MIC-PTT
I
Содержание QP-750
Страница 1: ...QP 750 Service Manual 1 QP 750 Service Manual Quantun Electronics LLC ...
Страница 37: ...QP 750 Service Manual 37 Chapter 8 UHF Troubleshooting Tables 8 1 Troubleshooting for CPU ...
Страница 38: ...QP 750 Service Manual 38 8 2 Troubleshooting for VCO ...
Страница 39: ...QP 750 Service Manual 39 8 3 Troubleshooting for Transmission ...
Страница 40: ...QP 750 Service Manual 40 8 4 Troubleshooting for Receive ...
Страница 42: ...QP 750 Service Manual 42 9 2 QP 750 block diagrams ...
Страница 49: ...QP 750 Service Manual 49 9 4 QP 750 UHF PCB Layout 9 4 1 PCB Top Layer View ...
Страница 50: ...QP 750 Service Manual 50 9 4 2 PCB Top Layer Chip Map ...
Страница 51: ...QP 750 Service Manual 51 9 4 3 PCB Bottom Layer View ...
Страница 52: ...QP 750 Service Manual 52 9 4 4 PCB bottom chip map ...
Страница 79: ...QP 750 Service Manual 79 2009 Quantun Electronics LLC All Rights Reserved V1 0A P N 7130750011 ...