PIC12F635-E/P Microchip Technology, PIC12F635-E/P Datasheet - Page 86

• Manufacturer Part Number: PIC12F635-E/P
• Description: IC MCU FLASH 1KX14 8DIP
• Manufacturer: Microchip Technology
• Series: PIC® 12Fr

Specifications of PIC12F635-E/P

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 5
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Controller Family/series: PIC12
• No. Of I/o's: 6
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 64Byte
• Cpu Speed: 20MHz
• No. Of Timers: 2
• Processor Series: PIC12F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 64 B
• Interface Type: RS- 232, SPI, USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029, DV164101, DM163014
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM163029 - BOARD PICDEM FOR MECHATRONICSAC162057 - MPLAB ICD 2 HEADER 14DIPACICE0201 - MPLABICE 8P 300 MIL ADAPTER
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

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