PIC16C782-I/SO Microchip Technology, PIC16C782-I/SO Datasheet - Page 98
PIC16C782-I/SO
Manufacturer Part Number
PIC16C782-I/SO
Description
3.5 KB OTP, 128 RAM, 16 I/O 20 SOIC .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16C781-ISO.pdf
(186 pages)
2.PIC16C781-ISO.pdf
(8 pages)
3.PIC16C781-ISO.pdf
(8 pages)
Specifications of PIC16C782-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
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)
4 V ~ 5.5 V
Data Converters
A/D 8x8b; D/A 1x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164028 - MODULE SKT PROMATEII 20SOIC/DIP
Eeprom Size
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
PIC16C782I/SO
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PIC16C781/782
FIGURE 12-4:
EXAMPLE 12-2:
;*
;*
;*
FIGURE 12-5:
DS41171A-page 96
INPUT
VOLTAGE REFERENCE
This code block will configure Comparator
input on AN7, and Reference from the DAC
BANKSEL
BSF
BSF
BANKSEL
CLRF
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
C1 for normal speed and output polarity,
INPUT
TRISA
TRISB,RB3
ANSEL,AN7
DACON0
DAC
B’10000000’ ; Enable, no out
DACON0
DAC_VALUE
DAC
B’10001111’ ; C1; no out,
CM1CON0
RB3/AN7/OPA
CONFIGURATION OF COMPARATOR C1 WITH DAC
PROGRAMMING C1 FOR
PSMC FEEDBACK
WINDOW COMPARATOR WITH INTERRUPT
; Select Bank 1
; RB3 as input
; Set RB3 as analog
; Select Bank 2
; DAC=00h
; DACREF = VDD
; Trip Level
; VREF1, AN7
V
V
REF
REF
AN4
2
1
V
DAC
+
-
DAC
Preliminary
C1
PIC16C78X
+
+
-
-
C2
C1
12.2.3
To form a low power window comparator, Comparators
C1 & C2 are configured as follows:
• Common input RB0/INT/AN4/V
• Separate external reference voltages
• Programmed for slow speed operation
In addition, the output of comparator C2 must be
inverted for common polarity with C1.
A block diagram of the window comparator with exter-
nal connections is shown in Figure 12-4.
PIC16C78X
C1POL = 0
EXAMPLE: LOW POWER WINDOW
COMPARATOR WITH INTERRUPT
C1OUT
CLPOL=1
2001 Microchip Technology Inc.
CM2CON1<6>
CLPOL=0
CM2CON1<7>
PSMC
REF
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