DSPIC30F3011 Microchip Technology Inc., DSPIC30F3011 Datasheet - Page 75
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DSPIC30F3011
Manufacturer Part Number
DSPIC30F3011
Description
Dspic30f3010/3011 Enhanced Flash 16-bit Digital Signal Controller
Manufacturer
Microchip Technology Inc.
Datasheet
1.DSPIC30F3011.pdf
(220 pages)
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11.0
This section describes the second 32-bit general
purpose Timer module (Timer4/5) and associated oper-
ational 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 indepen-
dent 16-bit timers, Timer4 and Timer5, respectively.
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).
Note:
TIMER4/5 MODULE
Note:
Timer4 is a ‘Type B’ timer and Timer5 is a
‘Type C’ timer. Please refer to the
appropriate timer type in Section 23.0
"Electrical
document.
T5IF
Event Flag
Timer Configuration bit T32, T4CON(<3>) must be set to ‘
control bits are respective to the T4CON register.
The dsPIC30F3010/3011 devices do not have external pin inputs to TIMER4 or TIMER5. In these
devices, the following modes should not be used:
1. TCS = 1
2. TCS = 0 and TGATE = 1 (Gated Time Accumulation)
Data Bus<15:0>
32-BIT TIMER4/5 BLOCK DIAGRAM
Read TMR4
(T4CON<6>)
Write TMR4
TGATE
Characteristics"
0
1
Reset
Equal
16
TMR5HLD
MSB
TMR5
PR5
Comparator x 32
16
of
16
TMR4
LSB
PR4
Q
Q
this
Confidential
CK
D
Gate
Sync
T
CY
TGATE(T4CON<6>)
The Timer4/5 module is similar in operation to the
Timer 2/3 module. However, there are some
differences, which are as follows:
• The Timer4/5 module does not support the ADC
• Timer4/5 can not be utilized by other peripheral
The operating modes of the Timer4/5 module are
determined 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.
Event Trigger feature
modules such as Input Capture and Output Compare
Note:
dsPIC30F3010/3011
1
1 X
0 1
0 0
’ for a 32-bit timer/counter operation. All
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
DS70141D-page 73