User’s Manual
C166S V1 SubSystem
Central Processing Unit
User’s Manual
3-3
V 1.6, 2001-08
3.1
Register Description Format
The C166S contains a set of Special-Function Registers (SFRs) and Extended Special-
Function Registers (ESFRs) that are described in the respective chapter of this manual.
The example below shows how to interpret the format and notation that are used to
describe SFRs and ESFRs.
A word register looks like this:
A byte register looks like this:
Elements:
REG_NAME
Name of this register
bitX
Name of bit
bitfieldX
Name of bitfield
A16 / A8
Long 16-bit address / Short 8-bit address
SFR/ESFR
Register space (SFR or ESFR Register)
(* *) * *
Register contents after reset
0/1
: defined value
REG_NAME
Short Description
SFR/ESFR(A16
H
,A8
H
)
Reset value: *****
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
bitfield
A
0
0
bit
C
bit
B
bit
A
r
r
r
r
r
r
rwh
r
r
rw
rw
rwh
REG_NAME
Short Description
SFR/ESFR(A16
H
,A8
H
)
Reset value: **
H
7
6
5
4
3
2
1
0
0
bitfield
A
0
bit
C
bit
B
bit
A
r
rwh
r
rw
rw
rwh
Field
Bits
Type Description
bitfieldX
[m:n]
type
Description
value Function off(Default)
value Enable Function 1
...
...
bitX
[n]
type
Description
0
Function off(Default)
1
Enable Function
Содержание C166S V1 SubSystem
Страница 10: ...User s Manual C166S V1 SubSystem User s Manual I 6 V 1 6 2001 08...
Страница 16: ...User s Manual C166S V1 SubSystem Introduction User s Manual 1 6 V 1 6 2001 08...
Страница 126: ...User s Manual C166S V1 SubSystem Central Processing Unit User s Manual 3 96 V 1 6 2001 08...
Страница 178: ...User s Manual C166S V1 SubSystem Memory Organization User s Manual 4 52 V 1 6 2001 08...
Страница 206: ...User s Manual C166S V1 SubSystem Instruction Set User s Manual 5 28 V 1 6 2001 08...
Страница 306: ...User s Manual C166S V1 SubSystem Detailed Instruction Set User s Manual 6 100 V 1 6 2001 08...
Страница 362: ...User s Manual C166S V1 SubSystem The External Bus Interface User s Manual 8 40 V 1 6 2001 08...
Страница 452: ...User s Manual C166S V1 SubSystem General Purpose Timer Unit User s Manual 12 44 V 1 6 2001 08...
Страница 454: ...User s Manual C166S V1 SubSystem Instruction Index User s Manual 13 2 V 1 6 2001 08...
Страница 459: ......