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The following show examples of the interface circuits of UART (asynchronous communication port).
Refer to the above design proposal for the pin processing of the device to be used.
Connector
1
GND
2
RESET
3
RxD
4
V
DD
5
TxD
6
N.C.
7
N.C.
8
N.C.
9
CLKOUT
10
N.C.
11
N.C.
12
N.C.
13
N.C.
14
FLMD0
15
N.C.
16
N.C.
7616-5002PL
User reset circuit
Remarks 1. The FPL3 generally performs normally without pin connection.
2. If the signals (CLK, RESET, TxD, RxD, FLMD0) used by the FPL3 are connected, pull up (or pull
down), referring to CHAPTER 8 CIRCUIT DIAGRAMS.
CHAPTER 7 NOTES ON TARGET SYSTEMS
Figure 7-1. UART Interface Circuit Example
V
V
V
CC
CC
CC
R
R
R
R
JUMPER
User's Manual U17454EJ1V0UM
IC
RESET
TxD
RxD
EXCLK
V
CC
V
DD
FLMD0
V
SS
Microcontroller
69
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