REJ10J0538-0120 M16C Flash Starter User's Manual M37542F8GP/SP Example Circuit (32PIN) 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 10-9 Cable 5.1k Vcc IBM PC/AT 1 2 3 4 5 6 RxD P04(LED04) /RxD2 GND 7 8 9 10 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 XOUT Signal 15pF Vcc M37542F8GP/SP Vcc P37(LED17) /INT0 5.1k P06(LED06) /SCLK2 5.1k P07(LED07) /SRDY2 OPEN 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 25 26 27 23 3 22 V SS 16 15 14 P3 2(LED 12)/CMP 3 "H"input 13 12 11 17 9 18 8 10 19 7 4 "L"input P37(LED17)/INT0 "L"input TxD RxD 20 6 Connect oscillation circuit P06(LED06)/SCLK2 P05(LED05)/TxD2 P04(LED04)/RxD2 21 32P6U-A X IN X OUT Vss V CC CNVss 28 24 2 5 RESET 29 1 4 RESET CNVss Vcc 30 31 32 P0 7(LED 07)/SRDYAN 2 1) M37542F8GP 2) M37542F8SP 32 2 31 3 30 P07(LED07)/SRDY1 BUSY 4 29 P06(LED06)/SCLK2 "L"input 5 28 P05(LED05)/TxD2 TxD 6 27 P04(LED04)/RxD2 RxD P37(LED17)/INT0 "L"input P32(LED12)/CMP3 "H"input 7 8 9 RESET CNVss Vcc * Vss 32P4B 1 26 25 24 10 23 RESET 11 22 CNVss 12 21 Vcc 13 20 XIN 14 19 XOUT 15 18 Vss 16 17 *Connect oscillation circuit 5 REVISION HISTORY Rev. Description Date Page 1.00 Jul 01, 2004 - 1.10 Feb.01.2006 P3 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 M37542F8GP/SP Example Circuit (32PIN) Publication Date Rev.1.20 Dec 01, 2006 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 M37542F8GP/SP Example Circuit (32PIN) Renesas Solutions Corp. 4-1-6, Miyahara, Yodogawa-ku, Osaka City, 532-0003, Japan