48GA004 datasheet(134/268 Pages) MICROCHIP

134 / 268 page

PIC24FJ64GA004 FAMILY

DS39881D-page 134

 2010 Microchip Technology Inc.

13.1

Input Capture Registers

ICxCON: INPUT CAPTURE x CONTROL REGISTER

U-0

R/W-0

U-0

—

—ICSIDL

—

bit 15

bit 8

R/W-0

R-0, HC

R/W-0

ICTMR

ICI1

ICI0

ICOV

ICBNE

ICM2(1)

ICM1(1)

ICM0(1)

bit 7

bit 0

Legend:

HC = Hardware Clearable bit

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 15-14

Unimplemented:

Read as ‘0’

bit 13

ICSIDL:

Input Capture x Module Stop in Idle Control bit

= Input capture module will halt in CPU Idle mode

= Input capture module will continue to operate in CPU Idle mode

bit 12-8

Unimplemented:

Read as ‘0’

bit 7

ICTMR:

Input Capture x Timer Select bit

= TMR2 contents are captured on capture event

= TMR3 contents are captured on capture event

bit 6-5

ICI1:ICI0:

Select Number of Captures per Interrupt bits

= Interrupt on every fourth capture event

= Interrupt on every third capture event

= Interrupt on every second capture event

= Interrupt on every capture event

bit 4

ICOV:

Input Capture x Overflow Status Flag bit (read-only)

= Input capture overflow occurred

= No input capture overflow occurred

bit 3

ICBNE:

Input Capture x Buffer Empty Status bit (read-only)

= Input capture buffer is not empty, at least one more capture value can be read

= Input capture buffer is empty

bit 2-0

ICM2:ICM0:

Input Capture x Mode Select bits(1)

111

= Input capture functions as interrupt pin only when device is in Sleep or Idle mode (rising edge

detect only, all other control bits are not applicable)

110

= Unused (module disabled)

101

= Capture mode, every 16th rising edge

100

= Capture mode, every 4th rising edge

011

= Capture mode, every rising edge

010

= Capture mode, every falling edge

001

= Capture mode, every edge (rising and falling) – ICI<1:0> bits do not control interrupt generation

for this mode

000

= Input capture module turned off

Note 1:

RPINRx (ICxRx) must be configured to an available RPn pin. For more information, see Section 10.4

“Peripheral Pin Select”

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