CHAPTER 7 NOTES ON TARGET SYSTEMS
User’s Manual U17454EJ1V0UM
69
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.
Figure 7-1. UART Interface Circuit Example
V
CC
JUMPER
V
CC
V
CC
V
CC
IC
GND
RESET
RxD
V
DD
TxD
N.C.
N.C.
N.C.
CLKOUT
N.C.
N.C.
N.C.
N.C.
FLMD0
N.C.
N.C.
EXCLK
TxD
V
DD
V
SS
RESET
7616-5002PL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R
R
R
R
FLMD0
RxD
User reset circuit
Connector
Microcontroller
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.