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H8SX/1663M Datasheet(PDF) 1142 Page - Renesas Technology Corp

Part # H8SX/1663M
Description  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1504 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX/1663M Datasheet(HTML) 1142 Page - Renesas Technology Corp

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Section 25 Flash Memory
Rev. 2.00 Sep. 24, 2008 Page 1110 of 1468
REJ09B0412-0200
25.3
Memory MAT Configuration
The memory MATs of flash memory in this LSI consists of the 384-Kbyte/512-Kbyte/1-Mbyte
user MAT and 16-Kbyte user boot MAT. The start addresses of the user MAT and user boot MAT
are allocated to the same address. Therefore, when the program execution or data access is
performed between the two memory MATs, the memory MATs must be switched by the flash
MAT select register (FMATS).
The user MAT or user boot MAT can be read in all modes. However, the user boot MAT can be
programmed or erased only in boot mode and programmer mode.
The size of the user MAT is different from that of the user boot MAT. Addresses which exceed
the size of the 16-Kbyte user boot MAT should not be accessed. If an attempt is made, data is read
as an undefined value.
User MAT
User boot MAT
H'000000
H'07FFFF*2
Notes: 1. 384 Kbytes in the H8SX/1663.
1 Mbyte in the H8SX/1668.
2. H'05FFFF in the H8SX/1663.
H'0FFFFF in the H8SX/1668.
H'000000
H'003FFF
512 Kbytes*1
16 Kbytes
Figure 25.3 Memory MAT Configuration (H8SX/1644)



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