4) Terminal Function of Microprocessor
Port No.
I/O Logic
PinName
Description
1 O
SEG19
LCDSegment19 Output
2 O
SEG20
LCDSegment20 Output
3 O
SEG21
LCDSegment21 Output
4 O
SEG22
LCDSegment22 Output
5 O
SEG23
LCDSegment23 Output
6
I
GND
AnalogGround 0V
7
I
Vref
Reference Voltage Input 5V
8
I
Vcc
CPU Power Supply hnput 5V
9 O
1750_
ToneBurstOutput
10 O Clock
BEEP
BeepToneOutput
11
I
Active Low MUP
Channel Up Input (Microphone Control)
12
I
Active Low MDN
Channel Down Input (Microphone Control)
13
I
NoUse
EID
14 O Active Low SQL
Squelch Control (L: Audio is off.)
15 O ActiveHigh
MUT
Microphone Mute (H: Mic Amp is off.)
16
I
Active Low REl
RotaryEncoder Input
17 O Clock
TO3
ToneOutput
18 O Clock
TO2
ToneOutput
19 O Clock
TO1
ToneOutput
20 O Clock
TO0
ToneOutput
21
I
ActiveHigh
XWR
EEPROM Write Status External Input
22
I
Active Low RE2
RotaryEncoder Input
23 O Active Low BPO
Band Plan Detection Input (Common)
24
I
Active Low TID
Tone Unit Detection Input
25
I
Active Low BU
Back Up Signal Detection input
26
I
GND
Ground
27
l
Active Low RST
ResetInput
28
I
Xin
Crystal Oscillator Terminal (3.58MHz)
29 O
Xout
Crystal Oscillator Terminal (3.58MHz)
30
I
GND
Ground
31
I
Active Low TDO
CTCSS Tone Detection Output
32 O Active High DTD
For Trunking
33 O NoUse
34
I
Active Low DD4
Band Plan 4 (V/U Selection)
35
I
Active Low DD3
Band Plan 3 (445/435 Selection)
36
I
Active Low DD2
Band Plan 2 (5k/12.5k Selection)
37
I
Active Low DD1
Band Plan 1
38
I
Active Low DD0
Band Plan 0
39 O Clock
SCL
Clock Output for EEPROM
PAGE-5
Содержание DR-M03SX
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Страница 13: ...11 M57735 XA0271 50 54MHz RF Power Module Page 14 ...
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Страница 18: ...ES0017 KZ0047AZ KS0041CZ FF0031 FF0028 ...
Страница 19: ...KZ0012 DRM06 KZ0025 DRM03 AD0010 DRM06TH AB0011 DRM03SX ...
Страница 20: ...DR M03SX AB0011 L502 QR0112 L501 QR0018 C504 103 C501 C502 C503 2SC3133 Q501 UP0255A Page 20 1 ...
Страница 29: ...DRM06 MAIN Unit Page 32 1 ...
Страница 30: ...DRM06 MAIN Unit 39P Page 32 2 ...
Страница 31: ...DRM03 MAIN Unit Page 33 1 ...
Страница 32: ...DRM03 MAIN Unit Page 33 2 ...
Страница 33: ...DRM06 DR03 CPU unit Page 34 1 ...
Страница 34: ...DRM06 DR03 CPU unit Page 34 2 ...
Страница 37: ...PC BOARD VIEW 1 3 Main Unit Side A Page 35 3 ...
Страница 39: ...3 CPU Unit Side A 4 CPU Unit Side B Page 37 1 R223 ...
Страница 40: ...3 1 CPU Unit Side A 4 2 CPU Unit Side B Page 37 2 R244 R243 S202 S203 R242 R241 R287 ...