PIC16LF737-I/ML Microchip Technology, PIC16LF737-I/ML Datasheet - Page 169
![IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,28PIN,PLASTIC](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16LF737-I/ML
Manufacturer Part Number
PIC16LF737-I/ML
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF737-I/ML
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 11x10b
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
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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14.0
The comparator voltage reference generator is a 16-tap
resistor ladder network that provides a fixed voltage
reference when the comparators are in mode ‘110’. A
programmable register controls the function of the
reference generator. Register 14-1 lists the bit functions
of the CVRCON register.
As shown in Figure 14-1, the resistor ladder is seg-
mented to provide two ranges of CV
a power-down function to conserve power when the
reference is not being used. The comparator reference
REGISTER 14-1:
2004 Microchip Technology Inc.
COMPARATOR VOLTAGE
REFERENCE MODULE
bit 7
bit 6
bit 5
bit 4
bit 3-0
CVRCON: COMPARATOR VOLTAGE REFERENCE CONTROL REGISTER
(ADDRESS 9Dh)
bit 7
CVREN: Comparator Voltage Reference Enable bit
1 = CV
0 = CV
CVROE: Comparator V
1 = CV
0 = CV
CVRR: Comparator V
1 = 0 to 0.625 CV
0 = 0.25 CV
Unimplemented: Read as ‘0’
CVR3:CVR0: Comparator V
When CVRR = 1:
CV
When CVRR = 0:
CV
Legend:
R = Readable bit
-n = Value at POR
CVREN
R/W-0
REF
REF
REF
REF
REF
REF
= (CVR<3:0>/24) (CV
= 1/4 (CV
circuit powered on
circuit powered down
voltage level is output on RA2/AN2/V
voltage level is disconnected from RA2/AN2/V
REF
RSRC
CVROE
R/W-0
values and has
RSRC
to 0.72 CV
RSRC
REF
, with CV
REF
) + (CVR3:CVR0/32) (CV
R/W-0
CVRR
Range Selection bit
Output Enable bit
REF
W = Writable bit
‘1’ = Bit is set
RSRC
RSRC
RSRC
Value Selection bits 0
, with CV
)
/24 step size
U-0
—
supply voltage (also referred to as CV
directly from V
voltage at the top of the ladder is CV
where V
switch transistor. This reference will only be as
accurate as the values of CV
The output of the reference generator may be
connected to the RA2/AN2/V
be used as a simple D/A function by the user if a very
high-impedance load is used. The primary purpose of
this function is to provide a test path for testing the
reference generator function.
RSRC
/32 step size
REF
SAT
R/W-0
CVR3
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
RSRC
-/CV
is the saturation voltage of the power
DD
)
REF
CVR3:CVR0
. It should be noted, however, that the
REF
pin
-/CV
R/W-0
CVR2
REF
PIC16F7X7
RSRC
REF
pin
15
x = Bit is unknown
-/CV
R/W-0
CVR1
and V
DS30498C-page 167
REF
RSRC
SAT
RSRC
pin. This can
.
R/W-0
CVR0
) comes
– V
bit 0
SAT
,
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