DSPIC33FJ64GS406 datasheet(217/456 Pages) MICROCHIP

217 / 456 page

 2009-2012 Microchip Technology Inc.

DS70591E-page 217

dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610

13.0 TIMER2/3/4/5 FEATURES

Timer2 and Timer4 are Type B timers that offer the

following major features:

• A Type B Timer can be Concatenated with a

Type C Timer to form a 32-Bit Timer

• External Clock Input (TxCK) is Always Synchronized

to the Internal Device Clock and the Clock

Synchronization is Performed after the Prescaler

Figure 13-1 shows a block diagram of the Type B timer.

Timer3 and Timer5 are Type C timers that offer the

following major features:

• A Type C Timer can be Concatenated with a

Type B Timer to form a 32-Bit Timer

• At Least One Type C Timer has the Ability to

Trigger an Analog-to-Digital Conversion

• External Clock Input (TxCK) is Always Synchronized

to the Internal Device Clock and the Clock

Synchronization is Performed before the Prescaler

A block diagram of the Type C timer is shown in

Figure 13-2.

FIGURE 13-1:

TYPE B TIMER BLOCK DIAGRAM (x = 2, 4)

FIGURE 13-2:

TYPE C TIMER BLOCK DIAGRAM (x = 3, 5)

Note 1: This data sheet summarizes the features

of the dsPIC33FJ32GS406/606/608/610

and

dsPIC33FJ64GS406/606/608/610

families of devices. It is not intended to be

a comprehensive reference source. To

complement the information in this data

sheet, refer to Section 11. “Timers”

(DS70205) in the “dsPIC33F/PIC24H

Family Reference Manual”, which is

available from the Microchip web site

(www.microchip.com).

2: Some registers and associated bits

described in this section may not be

available on all devices. Refer to

Section 4.0 “Memory Organization” in

this data sheet for device-specific register

and bit information.

Note:

Timer3 is not available on all devices.

Prescaler

(/n)

TGATE

TCS

TMRx

Comparator

TGATE

Set TxIF Flag

Sync

TCKPS<1:0>

Equal

Reset

TxCK

FCY

Prescaler

(/n)

TCKPS<1:0>

Falling Edge

Detect

Gate

Sync

PRx

TGATE

TCS

Comparator

FCY

TGATE

Set TxIF Flag

TCKPS<1:0>

Equal

Reset

TxCK

ADC SOC Trigger

Prescaler

(/n)

TCKPS<1:0>

Sync

Prescaler

(/n)

PRx

TMRx

Gate

Sync

Falling Edge

Detect

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