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User’s Manual
35
3.9 Serial Programming Cable
The programming cable is used to connect the LP3500’s serial programming port to a PC
serial COM port. The programming cable converts the RS-232 voltage levels used by the
PC serial port to the CMOS voltage levels used by the Rabbit 3000.
When the
PROG
connector on the programming cable is connected to the LP3500’s serial
programming port at header J5, programs can be downloaded and debugged over the serial
interface.
The
DIAG
connector of the programming cable may be used on header J5 of the LP3500
with the LP3500 operating in the Run Mode. This allows the programming port to be used
as a regular serial port.
3.9.1 Changing Between Program Mode and Run Mode
The LP3500 is automatically in Program Mode when the
PROG
connector on the pro-
gramming cable is attached, and is automatically in Run Mode when no programming
cable is attached. When the Rabbit 3000 is reset, the operating mode is determined by the
state of the SMODE pins. When the programming cable’s
PROG
connector is attached,
the SMODE pins are pulled high, placing the Rabbit 3000 in the Program Mode. When the
programming cable’s
PROG
connector is not attached, the SMODE pins are pulled low,
causing the Rabbit 3000 to operate in the Run Mode. See Figure 19.
Figure 19. LP3500 Program Mode and Run Mode Set-Up
C44
C43
C59
C60
U9
R16
R13
C10
C13
R17
R18
C16
C19
C36
U1
C70
R51
R58
C65
C26 C33
R20 R25
R22 R26
R29
C37
R32
C40
Y1
D22
C50 R36 R40 C54
R37
C24
R30
D19
D20
D21
D18
D25
Q5
R42
Q6
R43
R33
Q8
Q10
D26
D28
Q16
D30
Q17
D34
K1
Q13
D32
D33
Q14
J6
C67
C55 R44
R47
U11
S1
RESET
J5
J2
PROGRAM
PORT
AIN0 AIN1
A
I
N2
AIN3 AIN4 AIN5 AIN6 AIN7 GND
GNDVBAT
EXT GND VIN GND
PWM0
PWM
1
PWM2
GND
DISPLA
Y
R55
R56
J9
J8 RELAY
NO
COM
NC
C48
U3
R57
R31
C29
R23
C22
C20
C12
C15
D15
D17
RP17
D13
BT1
D1
1
D5
D7
D2
D4
C8
C6
D8
D1
AIN0 AIN1 AIN2 AIN3
J3
R1
C3
C2
R6
R7
R9
Q22
RN1
RN2
Battery
R54
RP14
RP13
Q20
U13
C64
R50
R49
Y2
C61
Q12
R45
R34
U8
C51
R39
R41
C53
R38
R48
C66
U12
U10
GND
+K GND 485 + GND TxB RxB GND
TxC RxC GND TxE RxE GND
J4
J1
OUT9
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT0
OUT
1
IN00 IN01 IN02 IN03 IN04 IN05 IN06 IN07
GND
IN08 IN09 IN10 IN1
1 IN12 IN13 IN14 IN15
C44
C43
C59
C60
U9
R16
R13
C10
C13
R17
R18
C16
C19
C36
U1
C70
R51
R58
C65
C26 C33
R20 R25
R22 R26
R29
C37
R32
C40
Y1
D22
C50 R36 R40 C54
R37
C24
R30
D19
D20
D21
D18
D25
Q5
R42
Q6
R43
R33
Q8
Q10
D26
D28
Q16
D30
Q17
D34
K1
Q13
D32
D33
Q14
J6
C67
C55 R44
R47
U11
S1
RESET
J5
J2
PROGRAM
PORT
AIN0 AIN1
A
I
N2
AIN3 AIN4 AIN5 AIN6 AIN7 GND
GNDVBAT
EXT GND VIN GND
PWM0
PWM
1
PWM2
GND
DISPLA
Y
R55
R56
J9
J8 RELAY
NO
COM
NC
C48
U3
R57
R31
C29
R23
C22
C20
C12
C15
D15
D17
RP17
D13
BT1
D1
1
D5
D7
D2
D4
C8
C6
D8
D1
AIN0 AIN1 AIN2 AIN3
J3
R1
C3
C2
R6
R7
R9
Q22
RN1
RN2
Battery
R54
RP14
RP13
Q20
U13
C64
R50
R49
Y2
C61
Q12
R45
R34
U8
C51
R39
R41
C53
R38
R48
C66
U12
U10
GND
+K GND 485 + GND TxB RxB GND
TxC RxC GND TxE RxE GND
J4
J1
OUT9
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT0
OUT
1
IN00 IN01 IN02 IN03 IN04 IN05 IN06 IN07
GND
IN08 IN09 IN10 IN1
1 IN12 IN13 IN14 IN15
Power
RESET LP3500 when changing mode:
Press
RESET
switch,
OR
Cycle power off/on
after removing or attaching programming cable.
Power
Run Mode
Program Mode
Colored edge
Programming
Cable
To
PC
COM
port
RESET
switch
DIAG
PROG
Содержание Fox LP3500
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