REJ10J0536-0120 M16C Flash Starter User's Manual M37542F8FP Example Circuit (36PIN) RENESAS SINGLE-CHIP MICROCOMPUTER 740 Family Rev.1.20 2006.12.01 Revision date: Dec 01, 2006 Renesas Solutions Corp. http://www.renesas.com/ 1. Using MF_Ten-Nine Cable Vpp : 3.0V to 5.5V Vcc CON Vcc 1 Vcc 10uF 0.1uF 2 Vss 5.1k P32(LED12) /CMP3 P37(LED17) /INT0 Vcc 5.1k Vcc IBM PC/AT 1 2 3 4 5 6 7 8 9 10 RxD P04(LED04) /RxD2 GND TxD P05(LED05) /TxD2 15pF Connector Type Straight(HIF3FC-10PA-2.54DSA) Angle(HIF3FC-10PA-2.54DS) XIN 8MHz Pin Assignment Pin No Port 1 M37542F8FP 10-9 Cable 5.1k P06(LED06) /SCLK2 CNVss 5.1k P07(LED07) /SRDY2 OPEN XOUT Signal 15pF Vcc 2 3 4 p0_4 Vcc RxD JUMPER 5 6 7 5.1k Push SW GND 8 Vcc 4.7uF 9 10 CNVss JUMPER p0_5 TxD RESET Timing Generation Circuit (refer to the figure below) Note: Refer to 7542 group datasheet. about pin(number). <Timing diagram> Power source RESET CNVss P37(RP) P32(CEB) P06(SCLK2) P05(TxD2) P04(RxD2) td(port-CNVss) td(CNVss-RESET) As to the timing requirements, refer to "Timing diagram for standard serial I/O mode 2" on the 7542 group datasheet. <An example of Timing Generation Circuit> Vcc 5.1k 5.1k Push SW RESET CNVss 10uF 22uF This circuit diagram is an example for the timing generation. The circuit should be designed according to the user's application. Make sure that the timing requirements are met. 3 2. Mode Setting 36 2 35 3 34 P07(LED07)/SRDY1 BUSY 4 33 P06(LED06)/SCLK2 "L"input 5 32 P05(LED05)/TxD2 TxD 6 31 P04(LED04)/RxD2 RxD 7 30 P37(LED17)/INT0 "L"input P32(LED12)/CMP3 "H"input 8 9 10 11 36P2R-A 1 29 28 27 26 12 25 RESET RESET 13 24 CNVss CNVss 14 23 Vcc 15 22 XIN 16 21 XOUT 17 20 Vss 18 19 Vcc * Vss *Connect oscillation circuit 4 REVISION HISTORY Rev. Description Date Page 1.00 Jul 01, 2004 - 1.10 Feb.01.2006 P3,4 1.20 Dec.01.2006 - Summary First edition issued An external pull-up is added to the terminal TxD. Change to Note M16C Flash Starter User's Manual M37542F8FP Example Circuit (36PIN) Publication Rev.1.20 Dec 01, 2006 Date Published by: Renesas Solutions Corp. 4-1-6, Miyahara, Yodogawa-ku, Osaka City, 532-0003, Japan ©2004 Renesas Technology Corp. and Renesas Solutions Corp., All Rights Reserved. Printed in Japan. M16C Flash Starter User's Manual M37542F8FP Example Circuit (36PIN) Renesas Solutions Corp. 4-1-6, Miyahara, Yodogawa-ku, Osaka City, 532-0003, Japan