PIC16F1503-I/ST データシートの表示（PDF） - Microchip Technology

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PIC16F1503-I/ST

14-Pin Flash, 8-Bit Microcontrollers

Microchip Technology 

20.0 TIMER2 MODULE

The Timer2 module incorporates the following features:

• 8-bit Timer and Period registers (TMR2 and PR2,

respectively)

• Readable and writable (both registers)

• Software programmable prescaler (1:1, 1:4, 1:16,

and 1:64)

• Software programmable postscaler (1:1 to 1:16)

• Interrupt on TMR2 match with PR2

See Figure 20-1 for a block diagram of Timer2.

FIGURE 20-1:

TIMER2 BLOCK DIAGRAM

Fosc/4

Prescaler

1:1, 1:4, 1:16, 1:64

2

T2CKPS<1:0>

TMR2 R

Comparator

PR2

PIC16(L)F1503

T2_match

Rev. 10-000019A

7/30/2013

To Peripherals

Postscaler

1:1 to 1:16

4

T2OUTPS<3:0>

set bit

TMR2IF

FIGURE 20-2:

TIMER2 TIMING DIAGRAM

FOSC/4

Prescale

PR2

TMR2

0x00

0x01

0x02

1:4

0x03

0x03

0x00

T2_match

Pulse Width(1)

Note 1: The Pulse Width of T2_match is equal to the scaled input of TMR2.

0x01

Rev. 10-000020A

7/30/2013

0x02

 2011-2015 Microchip Technology Inc.

DS40001607D-page 151

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