When I use the IC SST29ee010 to store my data,I find it the Page Write command equence of this IC is disassambled below: C:0x21E9 905555 MOV DPTR,#0x5555 C:0x21EC 74AA MOV A,#0xAA C:0x21EE F0 MOVX @DPTR,A 843: XBYTE[0x2aaa]=0x55; C:0x21EF 902AAA MOV DPTR,#0x2AAA C:0x21F2 7455 MOV A,#0x55 C:0x21F4 F0 MOVX @DPTR,A 844: XBYTE[0x5555]=0xA0; C:0x21F5 905555 MOV DPTR,#0x5555 C:0x21F8 74A0 MOV A,#PPAGE_SFR(0xA0) C:0x21FA F0 MOVX @DPTR,A 845: for what about PPAGE_SFR(0xA0).How to use it? Please help me?
PPAGE_SFR is for pdata access (which is not in your example code, so you may ignore it). For more informaiton see: http://www.keil.com/support/docs/1848.htm Reinhard