
NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 326 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
5.10.7 Register Description
Timer Control and Status Register (TMR_CSR)
Register
Offset
R/W
Description
Reset Value
TMR0_CSR
0x000
R/W
Timer Control and Status Register 0
0x0000_0005
TMR1_CSR
0x000
R/W
Timer Control and Status Register 1
0x0000_0005
TMR2_CSR
0x000
R/W
Timer Control and Status Register 2
0x0000_0005
TMR3_CSR
0x000
R/W
Timer Control and Status Register 3
0x0000_0005
TMR4_CSR
0x000
R/W
Timer Control and Status Register 4
0x0000_0005
31
30
29
28
27
26
25
24
Reserved
CE
IE
MODE
CRST
CACT
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
PRESCALE
Bits
Description
[31]
Reserved
Reserved.
[30]
CE
Counter Enable
0 = Stops counting.
1 = Starts counting.
[29]
IE
Interrupt Enable
0 = Disables timer interrupt.
1 = Enables timer interrupt. If timer interrupt is enabled, the timer asserts its interrupt
flag when the associated counter decrements to zero.
[28:27]
MODE
Timer Operating Mode
00 = One-shot mode. The associated interrupt signal is generated once (if IE is
enabled) and CE is automatically cleared then.
01 = Periodic mode. The associated interrupt signal is generated periodically (if IE is
enabled).
10 = Reserved.
11 = Continuous mode. The associated interrupt signal is generated continuously (if
IE is enabled).
[26]
CRST
Counter Reset
Set this bit will reset the TIMER counter, and also force CE to 0.
0 = No effect.
1 = Reset Timer’s prescale counter, internal 24-bit counter and CE.