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C.7.1 Connect the LCD/Keypad Module to Your Prototyping Board
The LCD/keypad module can be located as far as 2 ft. (60 cm) away from the RCM3700
Prototyping Board, and is connected via a ribbon cable as shown in Figure C-11.
R2
U3
LCD1
Q1
J5
R25
R8
R26
R11
R13
J5
3
1
Q4
Q6
4
2
OTHER
LP3500
3.3 V
2.8 V
n.c. = 5 V
KP1
RN1
C17
Figure C-11. Connecting LCD/Keypad Module to RCM3700 Prototyping Board
Note the locations and connections relative to pin 1 on both the RCM3700 Prototyping
Board and the LCD/keypad module.
Rabbit Semiconuctor offers 2 ft. (60 cm) extension cables. Contact your authorized dis-
tributor or a Rabbit Semiconuctor sales representative for more information.
130
D2 C1
D1
JP1
C4
R3
C6
U2
U1
C9
C7
R4
R5
CR1
C11
C13
C12
U4
J1
R14
R10
R9
R12
R15
Q7
Q2
Q5
U5
Q8
U6
J2
U7 C14
DISPLAY
BOARD
J4
LCD1JA
R11 C37
Q1
C36
Y1
U5
CAUTION: HOT!
C39
R13
C41
R5
C29
U4
J3
R15
R16
C50 C51 R27
T1
R26
D1
C84
C81
J2
R31
R40
R39
U3
R18 C35
U1
C25
2
C7
JP1
JP3
RP1
U6
RP2 R36
R37 DS3
R45
L4
C55
R32
DS2
R46
1
R44
R30
4
R34
Y3
DS1
RabbitCore RCM3750
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