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MG87FE/L2051/4051/6051
Preliminary Ver 1.00
17.
In System Programming (ISP)
3
Data
2
1
0
IFD: ISP/IAP Flash Data Register
Address=E2H, read/write, RESET=1111-1111
7
6
5
4
IFD is the data port register for ISP/IAP operation. The data in IFD will be written into the desired address in
operating ISP/IAP write and it is the data window of readout in operating ISP/IAP read.
If IMFT is indexed on IAPLB access, read/write IFD through SCMD flow will access the register content of IAPLB.
IFADRH: ISP/IAP Address for High-byte addressing
Address=E3H, read/write, Power On + RESET=0000-0000
7
6
5
4
3
Address
IFADRH is the high-byte address port for all ISP/IAP modes.
2
1
0
IFADRL: ISP/IAP Address for Low-byte addressing
Address=E4H, read/write, Power On + RESET=0000-0000
7
6
5
4
3
Address
2
1
0
IFADRL is the low byte address port for all ISP/IAP modes. In page erase operation, it is ignored.
IFMT: ISP/IAP Flash Mode Table
Address=E5H, read/write, Power On + RESET=XXXX-0000
7
6
5
4
3
Reserved
Bit 7~4: Reserved
Bit 3~0: ISP/IAP operating mode selection
Bit[3:0]
0
0
0
0
Standby
0
0
0
1
AP-memory read
0
0
1
0
AP-memory program
0
0
1
1
AP-memory page erase
0
1
0
0
IAPLB write
0
1
0
1
IAPLB read
2
1
Mode Selection
0
Mode
IFMT is used to select the flash mode for performing numerous ISP/IAP function.
IAPLB: IAP Low Boundary
Address=indirect, read/write, Power On + RESET=1111-1111
7
6
5
4
3
IAPLB
This document information is the intellectual property of Megawin Technology.
©
Megawin Technology Co., Ltd. 2009 All rights reserved.
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