Microchip Technology MA240017 Data Sheet
PIC24F16KA102 FAMILY
DS39927C-page 124
2008-2011 Microchip Technology Inc.
14.1
Input Capture Registers
REGISTER 14-1:
IC1CON: INPUT CAPTURE 1 CONTROL REGISTER
U-0
U-0
R/W-0
U-0
U-0
U-0
U-0
U-0
—
—
ICSIDL
—
—
—
—
—
bit 15
bit 8
R/W-0
R/W-0
R/W-0
R-0, HC
R-0, HC
R/W-0
R/W-0
R/W-0
ICTMR
ICI1
ICI0
ICOV
ICBNE
ICM2
ICM1
ICM0
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 1 Module Stop in Idle Control bit
1
= Input capture module will halt in CPU Idle mode
0
= Input capture module will continue to operate in CPU Idle mode
bit 12-8
Unimplemented:
Read as ‘0’
bit 7
ICTMR:
Input Capture 1 Timer Select bit
1
= TMR2 contents are captured on capture event
0
= TMR3 contents are captured on capture event
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 1 Overflow Status Flag bit (read-only)
1
= Input capture overflow occurred
0
= No input capture overflow occurred
bit 3
ICBNE:
Input Capture 1 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 1 Mode Select bits
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 is 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 is turned off