DSPIC30F4013 Microchip Technology Inc., DSPIC30F4013 Datasheet - Page 75

• Manufacturer Part Number: DSPIC30F4013
• Description: Dspic30f3014/4013 High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

11.0
This section describes the second 32-bit general
purpose Timer module (Timer4/5) and associated
operational modes. Figure 11-1 depicts the simplified
block diagram of the 32-bit Timer4/5 module.
Figure 11-2 and Figure 11-3 show Timer4/5 configured
as two independent 16-bit timers, Timer4 and Timer5,
respectively.
The Timer4/5 module is similar in operation to the
Timer2/3
differences which are listed:
• The Timer4/5 module does not support the ADC
• Timer4/5 can not be utilized by other peripheral
FIGURE 11-1:
© 2007 Microchip Technology Inc.
Note: This data sheet summarizes features of this group
of dsPIC30F devices and is not intended to be a complete
reference source. For more information on the CPU,
peripherals, register descriptions and general device
functionality, refer to the dsPIC30F Family Reference
Manual (DS70046).
event trigger feature
modules, such as input capture and output compare
TIMER4/5 MODULE
Note:
module.
T5IF
Event Flag
T4CK
Timer Configuration bit T32 (T4CON<3>) must be set to ‘
bits are respective to the T4CON register.
(T4CON<6>)
Data Bus<15:0>
Write TMR4
Read TMR4
TGATE
However,
32-BIT TIMER4/5 BLOCK DIAGRAM
0
1
Reset
Equal
there
16
TMR5HLD
TMR5
MSB
PR5
Comparator x 32
16
are
Q
some
Q
16
TMR4
LSB
PR4
CK
D
Gate
Sync
T
CY
TGATE (T4CON<6>)
The operating modes of the Timer4/5 module are deter-
mined by setting the appropriate bit(s) in the 16-bit
T4CON and T5CON SFRs.
For 32-bit timer/counter operation, Timer4 is the lsw
and Timer5 is the msw of the 32-bit timer.
Note:
dsPIC30F3014/4013
1
’ for a 32-bit timer/counter operation. All control
1 x
0 1
0 0
For 32-bit timer operation, T5CON control
bits are ignored. Only T4CON control bits
are used for setup and control. Timer4
clock and gate inputs are utilized for the
32-bit timer module but an interrupt is
generated with the Timer5 interrupt flag
(T5IF) and the interrupt is enabled with the
Timer5 interrupt enable bit (T5IE).
Sync
TON
TCKPS<1:0>
1, 8, 64, 256
Prescaler
2
DS70138E-page 73