M16C80 Datasheet, PDF (335/358 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/80 SERIES

M16C/80 Group
33. Appendix External ROM version with built-in boot loader
33. Appendix External ROM version with built-in boot loader
External ROM version of M16C/80 is available with built-in boot loader (firmware). By using the boot loader,
users can download their rewrite program of Flash memory to the internal RAM. When using the following
Flash memory*, reprogramming of the external Flash memory can be done without downloading the rewrite
program.
For more detail, please refer to the "Volume Boot Loader" in the application note of M16C/80 external ROM
version.
*: M5M29GB/T160BVP, M5M29GB/T320BVP and the equivalent of these.
The following shows Renesas plans to develop a line of M16C/80 products with built-in boot loader.
(1) ROM capacity
(2) Package 100P6S-A ... Plastic molded QFP
100P6Q-A ... Plastic molded QFP
144P6Q-A ... Plastic molded QFP
ROM size
(Bytes)
External
ROM
256K
128K
M30805SGP-BL
M30803SFP/GP-BL
M30802SGP-BL
M30800SFP/GP-BL
External ROM version
Figure 33.1 ROM Expansion
The following lists the M16C/80 products to be supported in the future.
Table 33.1 Product List
Type No
M30800SFP-BL
M30800SGP-BL
M30802SGP-BL
M30803SFP-BL
M30803SGP-BL
M30805SGP-BL
ROM capacity RAM capacity
10 Kbytes
24 Kbytes
Package type
100P6S-A
100P6Q-A
144P6Q-A
100P6S-A
100P6Q-A
144P6Q-A
Remarks
External ROM version
with built-in boot loader
Rev.1.00 Aug. 02, 2005 ^{Page 324} of 329
REJ09B0187-0100