TC1784
General Purpose Timer Array (GPTA
®
v5)
User´s Manual
21-219
V1.1, 2011-05
GPTA
®
v5, V1.14
21.4.11
Service Request Registers
The bits in the Service Request State Registers are service request status flags that are
set by hardware (type “h”) when the related event occurs, regardless if a respective
Interrupt Request is enabled. Each service request status flag can be read twice (in
SRSCx register and in SRSSx register, x = 0-3) and cleared or set by software when
writing to the specific request bit in SRSCx or SRSSx. If enabled, a interrupt request is
generated regardless of the content of the SRSSx or SRSCx registers.
The service request status flags can be reset (cleared) by software when writing a 1 to
the corresponding bit location in the SRSCx registers. Writing a 0 has no effect.
The service request status flags can be set by software when writing a 1 to the
corresponding bit location in the SRSSx registers. Writing a 0 has no effect.
GPTA0_SRSC0
GPTA0 Service Request State Clear Register 0
(010
H
)
Reset Value: 0000 0000
H
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
r
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
GT
01
GT
00
PLL
DCM
03C
DCM
03F
DCM
03R
DCM
02C
DCM
02F
DCM
02R
DCM
01C
DCM
01F
DCM
01R
DCM
00C
DCM
00F
DCM
00R
r
rwh rwh rwh rwh rwh rwh rwh rwh rwh rwh rwh rwh rwh rwh rwh
Field
Bits
Type Description
DCM00R,
DCM01R,
DCM02R,
DCM03R
0,
3,
6,
9
rwh
1)
DCMk
2)
Rising Edge Event Service Request State
0
B
No service is requested.
1
B
Service is requested due to a rising edge detected on
the DCMk input signal line.
DCM00F,
DCM01F,
DCM02F,
DCM03F
1,
4,
7,
10
rwh
DCMk
Falling Edge Event Service Request State
0
B
No service is requested.
1
B
Service is requested due to a falling edge detected on
the DCMk input signal line.
DCM00C,
DCM01C,
DCM02C,
DCM03C
2,
5,
8,
11
rwh
DCMk
Compare Event Service Request State
0
B
No service is requested.
1
B
Service is requested due to a compare event occurred
in DCMk cell (k = 0-3).
Содержание TC1784
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