AT85C51SND3Bx
Bit
Bit
Number
Mnemonic Description
CODE Size Bits of Context MEMPID
Size is equals to (CSX+1) x 256 bytes.
CODE sizes available: from 256 bytes to 64 Kbytes, by 256-byte steps.
7-0
CSX7:0
Reset Value MEMCSX = 1110 1111b
Table 69. MEMXSX Register
MEMXSX (0.F6h) – Memory Management XDATA Size Register
7
6
5
4
3
2
1
0
XSX7
XSX6
XSX5
XSX4
XSX3
XSX2
XSX1
XSX0
Bit
Bit
Number
Mnemonic Description
XDATA Size Bits of Context MEMPID
7-0
XSX7:0
Size is equals to (XSX+1) x 256 bytes.
XDATA sizes available: from 256 bytes to 64 Kbytes, by 256-byte steps.
Reset Value MEMXSX = 0000 1110b
53
7632A–MP3–03/06