isp往下拉就是图纸

Application Note:
er must load \LD\LDUXXXX.BIN file to write LD Flash EPROM by H/W
writer at the first time.
Most writers allocate memory as below:
2.There are 3 ways to update your program by ISP.
2.1 H/W Reboot method:
This is a very simple method. At first, you must write "LDUxxxxx.BIN" file to LD flash by your writer. If CPU is match H/W reboot condition, CPU will enter LD flash to update your program. ISP writer S/W does not select "Program Start at AP ROM". H/W reboot condition is as below:
2.2 F/W method 1:
Please embed "\ap\auto\APAUTO.ASM" on your AP program. uC will enter ISP while CPU call this program. ISP writer S/W does not select "Switch to LD by User Command”.
2.3 F/W method 2:
Host PC send the sequent "user command" to inform uC. If uC has received the sequent "user command", uC will enter LD flash to update user's program. Please embed
"\AP\ReceiveCmd\*.asm" program on your AP program. At first, you must write your AP program on your AP flash and "LDUxxxxx.BIN" on your LD flash by your writer. ISP writer S/W must select " Switch to LD by Uer Command" and set user command on AP setting\user command field. F/W "user command" is defined by "\ap\ReceiveCmd\APU30307.ASM" file ( USER_code db "WB05D000"). Base on your crystal and baud rate to modify your F/W program.
3.You can set security bits at this time if you need protect your code. ISP function
still works OK.
4.If you needn’t have ISP function, please don’t fill “FF” code on LD memory. The
writer always writes AP and LD flashs every time.
5.It is necessary to pull up 10K resistors on these P2.6, P2.7 and P4.3 pins.
6.Please read “\doc\readme.doc” file to check LD F/W v ersion and PC S/W version.
They must be mached.
7.ISP system circuit is below
9 c on.。