PIC16LC716-04I/P Microchip Technology, PIC16LC716-04I/P Datasheet - Page 42
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PIC16LC716-04I/P
Manufacturer Part Number
PIC16LC716-04I/P
Description
IC MCU OTP 2KX14 A/D PWM 18DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheet
1.PIC16C716-04P.pdf
(106 pages)
Specifications of PIC16LC716-04I/P
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
13
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
OTP
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
18-DIP (0.300", 7.62mm)
Processor Series
PIC16LC
Core
PIC
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
13
Number Of Timers
3 bit
Operating Supply Voltage
2.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
- 40 C
On-chip Adc
4 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
Details
PIC16C712/716
7.1
In Capture mode, CCPR1H:CCPR1L captures the
16-bit value of the TMR1 register when an event occurs
on pin RB3/CCP1. An event is defined as:
• every falling edge
• every rising edge
• every 4th rising edge
• every 16th rising edge
An event is selected by control bits CCP1M3:CCP1M0
(CCP1CON<3:0>). When a capture is made, the inter-
rupt request flag bit CCP1IF (PIR1<2>) is set. It must
be cleared in software. If another capture occurs before
the value in register CCPR1 is read, the old captured
value will be lost.
FIGURE 7-3:
7.1.1
In Capture mode, the CCP output must be disabled by
setting the TRISCCP<2> bit.
7.1.2
Timer1 must be running in Timer mode or Synchro-
nized Counter mode for the CCP module to use the
capture feature. In Asynchronous Counter mode, the
capture operation may not work.
7.1.3
When the Capture mode is changed, a false capture
interrupt may be generated. The user should keep bit
CCP1IE (PIE1<2>) clear to avoid false interrupts and
should clear the flag bit CCP1IF following any such
change in Operating mode.
DS41106B-page 40
RB3/CCP1
Pin
Note:
Capture Mode
edge detect
CCP PIN CONFIGURATION
If the RB3/CCP1 is configured as an out-
put by clearing the TRISCCP<2> bit, a
write to the DCCP bit can cause a capture
condition.
TIMER1 MODE SELECTION
SOFTWARE INTERRUPT
Q’s
Prescaler
1, 4, 16
and
CCP1CON<3:0>
Set flag bit CCP1IF
CAPTURE MODE
OPERATION BLOCK
DIAGRAM
(PIR1<2>)
Capture
Enable
CCPR1H
TMR1H
CCPR1L
TMR1L
7.1.4
There are four prescaler settings, specified by bits
CCP1M3:CCP1M0. Whenever the CCP module is
turned off, or the CCP module is not in Capture mode,
the prescaler counter is cleared. This means that any
Reset will clear the prescaler counter.
Switching from one capture prescaler to another may
generate an interrupt. Also, the prescaler counter will
not be cleared, therefore the first capture may be from
a non-zero prescaler. Example 7-1 shows the recom-
mended method for switching between capture pres-
calers. This example also clears the prescaler counter
and will not generate the “false” interrupt.
EXAMPLE 7-1:
CLRF
MOVLW
MOVWF
CCP1CON
NEW_CAPT_PS
CCP1CON
CCP PRESCALER
CHANGING BETWEEN
CAPTURE PRESCALERS
© 2005 Microchip Technology Inc.
; mode value and CCP ON
;Load CCP1CON with this
;Turn CCP module off
;Load the W reg with
; the new prescaler
; value