Atmel AT85DVK-07 Especificaciones descargar pdf (Pagina 52)

AT85C51SND3Bx

7632A–MP3–03/06

Reset Value MEMCBA0 = 0 0000 000b

Reset Value MEMDBAX = 0 1111 111b

Reset Value MEMXBAX = 0 1111 000b

Table 65. MEMCBAX Register

MEMCBAX (0.F2h) – Memory Management CODE Base Address Register

7 6 5 4 3 2 1 0

CBAX16 CBAX15 CBAX14 CBAX13 CBAX12 CBAX11 CBAX10 CBAX9

Bit

Number

Bit

Mnemonic

Description

7-0 CBAX16:9

CODE Base Address Most Significant Bits of Context MEMPID

17-bit CODE Base Address: X XXXX XXX0 0000 0000b.

512-byte alignment, no offset.

Table 66. MEMDBAX Register

MEMDBAX (0.F3h) – Memory Management DATA Base Address Register

7 6 5 4 3 2 1 0

DBAX16 DBAX15 DBAX14 DBAX13 DBAX12 DBAX11 DBAX10 DBAX9

Bit

Number

Bit

Mnemonic

Description

7-0 DBAX16:9

DATA Base Address Most Significant Bits of Context MEMPID

17-bit DATA Base Address: X XXXX XXX1 0000 0000b.

512-byte alignment with 256-byte offset.

Table 67. MEMXBAX Register

MEMXBAX (0.F4h) – Memory Management XDATA Base Address Registers

7 6 5 4 3 2 1 0

XBAX16 XBAX15 XBAX14 XBAX13 XBAX12 XBAX11 XBAX10 XBAX9

Bit

Number

Bit

Mnemonic

Description

7-0 XBAX16:9

XDATA Base Address Most Significant Bits of Context MEMPID

17-bit CODE Base Address: X XXXX XXX0 0000 0000b.

512-byte alignment, no offset.

Table 68. MEMCSX Register

MEMCSX (0.F5h) – Memory Management CODE Size Register

7 6 5 4 3 2 1 0

CSX7 CSX6 CSX5 CSX4 CSX3 CSX2 CSX1 CSX0

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 262 263

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