PIC16LF627A-I/ML Microchip Technology, PIC16LF627A-I/ML Datasheet - Page 64
![IC MCU FLASH 1KX14 EEPROM 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16LF627A-I/ML
Manufacturer Part Number
PIC16LF627A-I/ML
Description
IC MCU FLASH 1KX14 EEPROM 28QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF627A-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
224 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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PIC16F627A/628A/648A
10.1
There are eight modes of operation for the
comparators. The CMCON register is used to select
the mode. Figure 10-1 shows the eight possible
modes. The TRISA register controls the data direction
of the comparator pins for each mode.
FIGURE 10-1:
DS40044G-page 64
Comparators Reset (POR Default Value)
CM<2:0> = 000
Two Independent Comparators
CM<2:0> = 100
Two Common Reference Comparators
CM<2:0> = 011
One Independent Comparator
CM<2:0> = 101
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
A = Analog Input, port reads zeros always.
Comparator Configuration
REF
REF
REF
REF
D
D
A
A
A
A
A
A
A
D
A
A
A
A
A
A
V
COMPARATOR I/O OPERATING MODES
SS
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
V
V
V
V
IN
IN
IN
IN
-
+
-
+
-
+
-
+
IN
IN
IN
IN
-
+
-
+
-
+
-
+
C1
C2
C1
C2
C1
C2
C1
C2
C2V
Off (Read as ‘0’)
Off (Read as ‘0’)
Off (Read as ‘0’)
C1V
C2V
C1V
C2V
OUT
D = Digital Input.
OUT
OUT
OUT
OUT
Comparators Off
CM<2:0> = 111
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
Four Inputs Multiplexed to Two Comparators
CM<2:0> = 010
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
Three Inputs Multiplexed to Two Comparators
CM<2:0> = 001
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
RA4/T0CKI/CMP2
Two Common Reference Comparators with Outputs
CM<2:0> = 110
If the Comparator mode is changed, the comparator
output level may not be valid for the specified mode
change delay shown in Table 17-2.
Note 1: Comparator interrupts should be disabled
CIS (CMCON<3>) is the Comparator Input Switch.
REF
REF
REF
REF
2: Comparators can have an inverted
during a Comparator mode change,
otherwise a false interrupt may occur.
output. See Figure 10-1.
A
A
A
A
A
A
A
A
D
D
D
D
Open Drain
A
D
A
A
V
SS
CIS = 0
CIS = 1
CIS = 0
CIS = 1
CIS = 0
CIS = 1
V
V
V
V
IN
IN
IN
IN
V
V
V
V
-
+
-
+
IN
IN
IN
IN
© 2009 Microchip Technology Inc.
-
+
-
+
C1
C2
V
V
V
V
V
V
V
V
C1
C2
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
C1
C2
C1
C2
Off (Read as ‘0’)
Off (Read as ‘0’)
From V
Module
C1V
C2V
OUT
OUT
REF
C1V
C2V
C1V
C2V
OUT
OUT
OUT
OUT
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