Microchip Technology MA240029 データシート
2010-2011 Microchip Technology Inc.
DS39996F-page 207
PIC24FJ128GA310 FAMILY
REGISTER 14-1:
ICxCON1: INPUT CAPTURE x CONTROL REGISTER 1
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
U-0
U-0
—
—
ICSIDL
ICTSEL2
ICTSEL1
ICTSEL0
—
—
bit 15
bit 8
U-0
R/W-0
R/W-0
R-0, HSC
R-0, HSC
R/W-0
R/W-0
R/W-0
—
ICI1
ICI0
ICOV
ICBNE
ICM2
(
)
ICM1
(
)
ICM0
(
bit 7
bit 0
Legend:
HSC = Hardware Settable/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
1
= Input capture module Halts in CPU Idle mode
0
= Input capture module continues to operate in CPU Idle mode
bit 12-10
ICTSEL<2:0>:
Input Capture Timer Select bits
111
= System clock (F
OSC
/2)
110
= Reserved
101
= Reserved
100
= Timer1
011
= Timer5
010
= Timer4
001
= Timer2
000
= Timer3
bit 9-7
Unimplemented:
Read as ‘0’
bit 6-5
ICI<1:0>:
Select Number of Captures per Interrupt bits
11
= Interrupt on every fourth capture event
10
= Interrupt on every third capture event
01
= Interrupt on every second capture event
00
= Interrupt on every capture event
bit 4
ICOV:
Input Capture x Overflow Status Flag bit (read-only)
1
= Input capture overflow has occurred
0
= No input capture overflow has occurred
bit 3
ICBNE:
Input Capture x Buffer Empty Status bit (read-only)
1
= Input capture buffer is not empty, at least one more capture value can be read
0
= Input capture buffer is empty
bit 2-0
ICM<2:0>:
Input Capture Mode Select bits
(
)
111
= Interrupt mode: input capture functions as an interrupt pin only when the device is in Sleep or
Idle mode (rising edge detect only, all other control bits are not applicable)
110
= Unused (module is disabled)
101
= Prescaler Capture mode: capture on every 16
th
rising edge
100
= Prescaler Capture mode: capture on every 4
th
rising edge
011
= Simple Capture mode: capture on every rising edge
010
= Simple Capture mode: capture on every falling edge
001
= Edge Detect Capture mode: capture on every edge (rising and falling); ICI<1:0> bits do not
control interrupt generation for this mode
000
= Input capture module is turned off
Note 1:
The ICx input must also be configured to an available RPn/RPIn pin. For more information, see
.