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M38K09RFS bảng dữ liệu(PDF) 231 Page - Renesas Technology Corp

tên linh kiện M38K09RFS
Giải thích chi tiết về linh kiện  RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  328 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
Trang chủ  http://www.renesas.com
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2.13 Flash memory
Rev.2.00
Oct 05, 2006
page 102 of 111
38K0 Group
REJ09B0337-0200
APPLICATION
Fig. 2.13.1 Memory map of flash memory version for 38K0 Group
2.13 Flash memory
This paragraph explains the registers setting method and the notes related to the flash memory version.
2.13.1 Overview
The functions of the flash memory version are similar to those of the mask ROM version except that the
flash memory is built-in and some of the SFR area differ from that of the mask ROM version (refer to
“2.13.2 Memory map”).
In the flash memory version, the built-in flash memory can be programmed or erased by using the following
three modes.
• CPU rewrite mode
• Parallel I/O mode
• Standard serial I/O mode
2.13.2 Memory map
38K0 group flash memory version has 32 Kbytes of built-in flash memory.
Figure 2.13.1 shows the memory map of the flash memory version.
Internal RAM
area
(2 Kbyte)
Not used
Built-in flash memory
area
(32 Kbytes)
000016
004016
083F16
084016
0FE016
100016
FFFF16
RAM
800016
FFFF16
32 Kbytes
User ROM area
Boot ROM area
FFFF16
F00016
4 Kbytes
0FFF16
Reserved ROM area
800016
808016
SFR area
SFR area
Not used
Note: Access to boot ROM area
Pararell I/O mode
CPU rewrite mode
Standard serial mode
Read/Write avilable
Read only available
Read only available



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