upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 222

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

PRSELF4 PRSELF3 PRSELF2 PRSELF1 PRSELF0
Flash address pointer H
pointer H (FLAPH)
compare register
Flash address
(FLAPHC)
5
Match
Protect byte
Flash address pointer L
pointer L (FLAPL)
compare register
Flash address
(FLAPLC)
Increment
FLCMD2 FLCMD1 FLCMD0
circuit
Match
Figure 16-10. Block Diagram of Self Programming
3
Flash programming command
register (FLCMD)
Internal bus
Erase
circuit
Flash memory controller
Self programming mode
setting sequencer
Internal bus
Flash memory
circuit
Write
Flash write buffer register
Self programming command execution
HALT signal
(FLW)
Verify
circuit
Unmatch
HALT release signal
Flash programming mode
control register (FLPMC)
Self programming mode setting register
WEPRERR VCERR FPRERR
Flash status register (PFS)
Flash protect command
register (PFCMD)