HD64F2168 Datasheet, PDF (664/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Initial
Bit
Bit Name Value R/W Description
0
SCO
0
(R)/W* [Clearing condition]
When download is completed
1: Request that the on-chip programming/erasing
program is downloaded to the on-chip RAM is
occurred.
[Setting conditions]
When all of the following conditions are satisfied and 1 is
set to this bit
• H'A5 is written to FKEY
• During execution in the on-chip RAM
Note: * This bit is a write only bit. This bit is always read as 0.
• Flash Program Code Select Register (FPCS)
FPCS selects the on-chip programming program to be downloaded.
Initial
Bit
Bit Name Value R/W Description
7 to 1 
All 0
R/W Reserved
The initial value should not be changed.
0
PPVS 0
R/W Program Pulse Verify
Selects the programming program.
0: On-chip programming program is not selected.
[Clearing condition] When transfer is completed
1: On-chip programming program is selected.
• Flash Erase Code Select Register (FECS)
FECS selects download of the on-chip erasing program.
Initial
Bit
Bit Name Value R/W Description
7 to 1 
All 0
R/W Reserved
The initial value should not be changed.
0
EPVB 0
R/W Erase Pulse Verify Block
Selects the erasing program.
0: On-chip erasing program is not selected.
[Clearing condition] When transfer is completed
1: On-chip erasing program is selected.
Rev. 3.00, 03/04, page 624 of 830