PIC16F639-I/P Microchip Technology, PIC16F639-I/P Datasheet - Page 86
PIC16F639-I/P
Manufacturer Part Number
PIC16F639-I/P
Description
IC MCU FLASH 2KX14 20DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC12F635-ISN.pdf
(234 pages)
3.PIC16F636-ISL.pdf
(8 pages)
4.PIC16F636-ISL.pdf
(4 pages)
5.PIC16F639-ISS.pdf
(6 pages)
Specifications of PIC16F639-I/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, LVD, POR, WDT
Number Of I /o
11
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
For Use With
AC162066 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOICDM163029 - BOARD PICDEM FOR MECHATRONICSACICE0203 - MPLABICE 20P 300 MIL ADAPTER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
- PIC16F616T-ISL PDF datasheet
- PIC12F635-ISN PDF datasheet #2
- PIC16F636-ISL PDF datasheet #3
- PIC16F636-ISL PDF datasheet #4
- PIC16F639-ISS PDF datasheet #5
- Current page: 86 of 234
- Download datasheet (4Mb)
PIC12F635/PIC16F636/639
REGISTER 7-5:
FIGURE 7-10:
DS41232D-page 84
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3-0
V
DD
R/W-0
VREN
Comparator
CV
REF
VREN
Input
VREN: CV
1 = CV
0 = CV
Unimplemented: Read as ‘0’
VRR: CV
1 = Low range
0 = High range
Unimplemented: Read as ‘0’
VR<3:0>: CV
When VRR = 1: CV
When VRR = 0: CV
to
U-0
—
VRCON: VOLTAGE REFERENCE CONTROL REGISTER
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
REF
REF
REF
REF
circuit powered on
circuit powered down, no I
VR<3:0>
Range Selection bit
REF
16-1 Analog
W = Writable bit
‘1’ = Bit is set
Enable bit
8R
MUX
15
14
Value Selection bits (0
R/W-0
2
1
0
VRR
REF
REF
(1)
= (VR<3:0>/24) * V
= V
R
DD
VREN
VR<3:0> = 0000
VRR
/4 + (VR<3:0>/32) * V
U-0
—
R
DD
drain and CV
16 Stages
DD
VR<3:0>
Note 1: Care should be taken to ensure V
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
VR3
DD
within the comparator common mode input
range. See Section 15.0 “Electrical Specifica-
tions” for more detail.
REF
R
15)
= V
R/W-0
SS
VR2
R
.
© 2007 Microchip Technology Inc.
x = Bit is unknown
R/W-0
8R
VR1
REF
remains
R/W-0
VR0
VRR
bit 0
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