Renesas R8C/Tiny Series Manuel d'utilisateur télécharger pdf (Page 4)

1. Connection with User System

External

Power Supply

+

-

Target Board

Host

Computer

RS-232C

Cable

Figure 1 Connection Example with User System

0.1uF

Vcc

Vcc(5V)

0.1uF

1

2

CON1

2pin

DIODE

5k

Push

SW

0.1uF

Vcc

20MHz

5k

Vcc

PLQP0052JA_A

Vss/AVss

10

MODE

5

P6_6/TxD1

28

XIN/P4_6

XOUT/P4_7

RES ET

8

9

11

P6_7/RxD1

29

Vcc/AVcc

12

JUMPER

RS-232C

Strai ght

D-SUB9

CONNECTOR

RxD

GND

DTR

DSR

TxD

CTS

1

2

3

4

5

6

7

8

9

MAX3221EAE

C1+

C1-

C2+

C2-

2

4

5

6

0.22uF

Vcc

V+

V-

RI1

TO1

FORCEOF

FORCEON

GND

ROU1

TIN1

INV

EN

14

12

16

13

8

7

3

15

1

10

11

9

Vcc

2.2uF

0.22uF

DIODE

DIODE

10

LHA-0812-472K

10

2.2uF2.2uF

2.2uF

2.2uF

IBM PC/AT

5k

Vcc

Figure 2 Circuit Example with RS-232C Cable

4

1 2 3 4 5 6 7 8 9 ... 25 26

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