AT83SND2CMP3B datasheet(19/241 Pages) ATMEL

19 / 241 page

4341F–MP3–03/06

AT8xC51SND2C/MP3B

6.1

ROM Memory Architecture

As shown in Figure 6-2 the AT83SND2C ROM memory is composed of one space detailed in

the following paragraph.

Figure 6-2.

AT83SND2C Memory Architecture

6.1.1

User Space

This space is composed of a 64K Bytes ROM memory programmed during the manufacturing

process. It contains the user’s application code.

6.2

Flash Memory Architecture

As shown in Figure 6-3 the AT89C51SND2C Flash memory is composed of four spaces detailed

in the following paragraphs.

Figure 6-3.

AT89C51SND2C Memory Architecture

6.2.1

User Space

This space is composed of a 64K Bytes Flash memory organized in 512 pages of 128 Bytes. It

contains the user’s application code.

This space can be read or written by both software and hardware modes.

6.2.2

Boot Space

This space is composed of a 4K Bytes Flash memory. It contains the boot loader for In-System

Programming and the routines for In Application Programming.

This space can only be read or written by hardware mode using a parallel programming tool.

FFFFh

64K Bytes

ROM Memory

0000h

User

FFFFh

64K Bytes

Flash Memory

0000h

Hardware Security

User

4K Bytes

Flash Memory

FFFFh

F000h

Boot

Extra Row

AT83SND2CMP3B 데이터시트(PDF) 19 Page - ATMEL Corporation

AT83SND2CMP3B 데이터시트(HTML) 19 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

데이터시트 다운로드

링크 URL