User manual
...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 610
www.energymicro.com
24.5.5 PCNTn_TOP - Top Value Register
Offset Bit Position
0x010
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0x00FF
Access
R
Name
TOP
Bit Name Reset Access Description
31:16 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
15:0 TOP 0x00FF R Counter Top Value
When counting down, this value is reloaded into PCNTn_CNT when counting past 0. When counting up, 0 is written to the
PCNTn_CNT register when counting past this value.
24.5.6 PCNTn_TOPB - Top Value Buffer Register (Async Reg)
For more information about Asynchronous Registers please see Section 5.3 (p. 20) .
Offset Bit Position
0x014
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0x00FF
Access
RW
Name
TOPB
Bit Name Reset Access Description
31:16 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
15:0 TOPB 0x00FF RW Counter Top Buffer
Loaded automatically to TOP when written.
24.5.7 PCNTn_IF - Interrupt Flag Register
Offset Bit Position
0x018
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0
0
0
0
Access
R
R
R
R
Name
AUXOF
DIRCNG
OF
UF