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
|
/*-------------------------------------------------------------------------
at89Sx051.h - Register Declarations for Atmel AT89S2051 and AT89S4051
Processors
Copyright (C) 2009, Ben Boeckel mathstuf AT gmail.com
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
As a special exception, if you link this library with other files,
some of which are compiled with SDCC, to produce an executable,
this library does not by itself cause the resulting executable to
be covered by the GNU General Public License. This exception does
not however invalidate any other reasons why the executable file
might be covered by the GNU General Public License.
-------------------------------------------------------------------------*/
/*-------------------------------------------------------------------------
based on 8051.h (8051.h must be in mcs51 subdirectory)
KEIL C compatible definitions are included
-------------------------------------------------------------------------*/
#ifndef AT89Sx051_H
#define AT89Sx051_H
#include <at89x051.h> /* at89Sx051 adds to at89Cx051 definitions */
/* BYTE Register */
__sfr __at (0x8F) CLKREG ;
__sfr __at (0x97) ACSR ;
__sfr __at (0xA9) SADDR ;
__sfr __at (0xB7) IPH ;
__sfr __at (0xB9) SADEN ;
/* BIT register */
/* IE */
__sbit __at (0xAE) EC ;
/* IP */
__sbit __at (0xBE) PC ;
/* BIT definitions for bits that are not directly accessible */
/* PCON */
#define PWMEN 0x20
#define SMOD0 0x40
#define SMOD1 0x80
/* CLKREG */
#define X2 0x01
#define PWDEX 0x02
/* ACSR */
#define CM0 0x01
#define CM1 0x02
#define CM2 0x04
#define CEN 0x08
#define CF 0x10
/* IPH */
#define PX0H 0x01
#define PT0H 0x02
#define PX1H 0x04
#define PT1H 0x08
#define PSH 0x10
#define PCH 0x40
/* Interrupt numbers: address = (number * 8) + 3 */
#define CF0_VECTOR 6 /* 0x33 analog comparator */
#endif
|
