3 timer prescaler count register (tpcr), 4 timer control/status register (tcsr), Timer prescaler count register (tpcr) -28 – Motorola DSP56301 User Manual
Page 290: Timer control/status register (tcsr) -28, 3 timer prescaler count register (tpcr), 4 timer control/status register (tcsr)
Triple Timer Module Programming Model
9
-28
DSP56301 User’s Manual
9.4.3
Timer Prescaler Count Register (TPCR)
The TPCR is a read-only register that reflects the current value in the prescaler counter.
9.4.4
Timer Control/Status Register (TCSR)
The TCSR is a read/write register controlling the timer and reflecting its status.
23
22
21
20
19
18
17
16
15
14
13
12
PC20
PC19
PC18
PC17
PC16
PC15
PC14
PC13
PC12
11
10
9
8
7
6
5
4
3
2
1
0
PC11
PC10
PC9
PC8
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Reserved bit; read as 0; write to 0 for future compatibility
Figure 9-22. Timer Prescaler Count Register (TPCR)
Table 9-2. Timer Prescaler Count Register (TPCR) Bit Definitions
Bit Number
Bit Name
Reset Value
Description
23–21
0
Reserved. Write to zero for future compatibility.
20–0
PC[20–0]
0
Prescaler Counter Value
Contain the current value of the prescaler counter.
23
22
21
20
19
18
17
16
15
14
13
12
TCF
TOF
PCE
DO
DI
11
10
9
8
7
6
5
4
3
2
1
0
DIR
TRM
INV
TC3
TC2
TC1
TC0
TCIE
TOIE
TE
Reserved. Read as 0. Write to 0 for future compatibility
Figure 9-23. Timer Control/Status Register (TCSR)
Table 9-3. Timer Control/Status Register (TCSR) Bit Definitions
Bit Number
Bit Name
Reset Value
Description
23–22
0
Reserved. Write to zero for future compatibility.