Table of Contents
Advertisement
15.4
On-Board Programming Modes
When pins are set to on-board programming mode, program/erase/verify operations can be
performed on the on-chip flash memory. There are two on-board programming modes: boot mode
and user program mode. The pin settings for transition to each of these modes are shown in table
15-6. In mode 6 (on-chip ROM enabled) in this LSI, the boot mode and user program mode cannot
be used. For the notes on FWE pin set/reset, see section 15.9 Notes on Flash Memory
Programming/Erasing.
Table 15-6 Setting On-Board Programming Modes
Mode
Boot mode
User program mode
Notes: 1. For the High level input timing, see items (6) and (7) of Notes on Using the Boot Mode.
2. In the boot mode, the MD
In the boot mode, the mode control register (MDCR) can be used to monitor the status
of modes 5 and 7 in the same way as in the normal mode.
FWE
1
mode 5
1*
mode 7
mode 5
mode 7
setting becomes inverted input.
2
MD
MD
2
1
2
0*
0
2
0*
1
1
0
1
1
MD
Notes
0
1
0 : V
IL
1
1 : V
IH
1
1
449
Advertisement
Table of Contents
