PIC18F458-E/P Microchip Technology, PIC18F458-E/P Datasheet - Page 251
PIC18F458-E/P
Manufacturer Part Number
PIC18F458-E/P
Description
IC MCU FLASH 16KX16 W/CAN 40 DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18LF242-ISO.pdf
(36 pages)
3.PIC18F248-ISO.pdf
(402 pages)
4.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F458-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1536 B
Interface Type
SPI, I2C, USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
33
Number Of Timers
4
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, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164136, DM163011
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F458-E/P
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
PIC18F458-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 251 of 402
- Download datasheet (7Mb)
21.0
The comparator module contains two analog com-
parators.
multiplexed with the RD0 through RD3 pins. The on-chip
voltage reference (Section 22.0 “Comparator Voltage
Reference Module”) can also be an input to the
comparators.
REGISTER 21-1:
© 2006 Microchip Technology Inc.
Note:
COMPARATOR MODULE
The
The
available
PIC18F458.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
inputs
analog
CMCON: COMPARATOR CONTROL REGISTER
bit 7
C2OUT: Comparator 2 Output bit
When C2INV = 0:
1 = C2 V
0 = C2 V
When C2INV = 1:
1 = C2 V
0 = C2 V
C1OUT: Comparator 1 Output bit
When C1INV = 0:
1 = C1 V
0 = C1 V
When C1INV = 1:
1 = C1 V
0 = C1 V
C2INV: Comparator 2 Output Inversion bit
1 = C2 output inverted
0 = C2 output not inverted
C1INV: Comparator 1 Output Inversion bit
1 = C1 output inverted
0 = C1 output not inverted
CIS: Comparator Input Switch bit
When CM2:CM0 = 110:
1 = C1 V
0 = C1 V
CM2:CM0: Comparator Mode bits
Figure 21-1 shows the Comparator modes and CM2:CM0 bit settings.
Legend:
R = Readable bit
-n = Value at POR
on
C2OUT
to
R-0
C2 V
C2 V
comparators
the
the
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
+ > C2 V
+ < C2 V
+ < C2 V
+ > C2 V
+ > C1 V
+ < C1 V
+ < C1 V
+ > C1 V
- connects to RD0/PSP0
- connects to RD2/PSP2
- connects to RD1/PSP1
- connects to RD3/PSP3
PIC18F448
comparators
C1OUT
R-0
IN
IN
IN
IN
IN
IN
IN
IN
are
-
-
-
-
-
-
-
-
C2INV
R/W-0
only
and
are
W = Writable bit
‘1’ = Bit is set
C1INV
R/W-0
The CMCON register, shown in Register 21-1, controls
the comparator input and output multiplexers. A block
diagram of the comparator is shown in Figure 21-1.
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CIS
R/W-0
CM2
PIC18FXX8
x = Bit is unknown
R/W-0
CM1
DS41159E-page 249
R/W-0
CM0
bit 0
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