m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 428

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

1. If the boot ROM area has been reprogrammed in the flash memory parallel I/O mode, the flash memory serial I/O
2. In the flash memory serial I/O mode, we recommend to connect pins P4OUT
3. When there is a possibility that the user reset signal becomes “L” level in the flash memory serial I/O mode, be sure
4. Addresses FF90
[Precautions for flash memory serial I/O mode]
mode cannot be used.
tors, respectively. (Refer to section “19.3.2 Examples of handling control pins in flash memory serial I/O
mode.”)
to cut the current flow between the user reset pin and pin RESET by using a jumper switch, etc. (Refer to
section “19.3.2 Examples of handling control pins in flash memory serial I/O mode.”)
sure not to use this area.
16
to FF9F
16
(the user ROM area) are reserved for serial and parallel programmers. Therefore, be
7905 Group User’s Manual Rev.1.0
[Precautions for flash memory serial I/O mode]
FLASH MEMORY VERSION
CUT
and P6OUT
CUT
with V
CC
via resis-
19-25