Timer Prescaler Count Register (Tpcr); Timer Control/Status Register (Tcsr); Timer Prescaler Count Register (Tpcr) Bit Definitions; Timer Control/Status Register (Tcsr) Bit Definitions - Motorola DSP56303 User Manual

Triple Timer Module Programming Model
9.4.3

Timer Prescaler Count Register (TPCR)

The TPCR is a read-only register that reflects the current value in the prescaler counter.
23 22 21
11 10 9
PC11 PC10 PC9
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
23–21
20–0 PC[20–0]
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
TCF
11 10 9
DIR TRM
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
23–22
9-28
20 19 18
PC20 PC19 PC18
8 7 6
PC8 PC7 PC6
Reset Value
0 Reserved. Write to zero for future compatibility.
0 Prescaler Counter Value
Contain the current value of the prescaler counter.
20 19 18
TOF
8 7 6
INV TC3 TC2
Reset Value
0 Reserved. Write to zero for future compatibility.
DSP56303 User's Manual
17 16 15
PC17 PC16 PC15
5 4 3
PC5 PC4 PC3
Description
17 16 15
PCE
5 4 3
TC1 TC0
Description
14 13 12
PC14 PC13 PC12
2 1 0
PC2 PC1 PC0
14 13 12
DO DI
2 1 0
TCIE TOIE TE