PIC18F452-E/PT Microchip Technology, PIC18F452-E/PT Datasheet - Page 183
PIC18F452-E/PT
Manufacturer Part Number
PIC18F452-E/PT
Description
IC MCU CMOS 40MHZ 16K FLSH44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F242-ISO.pdf
(332 pages)
3.PIC18F242-ISO.pdf
(14 pages)
4.PIC18F242-ISO.pdf
(16 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(14 pages)
7.PIC18LF242-ISO.pdf
(36 pages)
Specifications of PIC18F452-E/PT
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
34
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
44-TQFP, 44-VQFP
Controller Family/series
PIC18
No. Of I/o's
34
Eeprom Memory Size
256Byte
Ram Memory Size
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Package
44TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
34
Interface Type
I2C/SPI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F452-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F242-ISO PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18LF242-ISO PDF datasheet #7
- Current page: 183 of 332
- Download datasheet (6Mb)
17.0
The Analog-to-Digital (A/D) converter module has five
inputs for the PIC18F2X2 devices and eight for the
PIC18F4X2 devices. This module has the ADCON0
and ADCON1 register definitions that are compatible
with the mid-range A/D module.
The A/D allows conversion of an analog input signal to
a corresponding 10-bit digital number.
REGISTER 17-1:
© 2006 Microchip Technology Inc.
COMPATIBLE 10-BIT
ANALOG-TO-DIGITAL
CONVERTER (A/D) MODULE
bit 7-6
bit 5-3
bit 2
bit 1
bit 0
ADCON0 REGISTER
Legend:
R = Readable bit
- n = Value at POR
ADCS1:ADCS0: A/D Conversion Clock Select bits (ADCON0 bits in bold)
CHS2:CHS0: Analog Channel Select bits
000 = channel 0, (AN0)
001 = channel 1, (AN1)
010 = channel 2, (AN2)
011 = channel 3, (AN3)
100 = channel 4, (AN4)
101 = channel 5, (AN5)
110 = channel 6, (AN6)
111 = channel 7, (AN7)
Note: The PIC18F2X2 devices do not implement the full 8 A/D channels; the unimplemented
GO/DONE: A/D Conversion Status bit
When ADON = 1:
1 = A/D conversion in progress (setting this bit starts the A/D conversion which is automatically
0 = A/D conversion not in progress
Unimplemented: Read as '0'
ADON: A/D On bit
1 = A/D converter module is powered up
0 = A/D converter module is shut-off and consumes no operating current
bit 7
ADCS1
R/W-0
<ADCS2>
ADCON1
cleared by hardware when the A/D conversion is complete)
0
0
0
0
1
1
1
1
selections are reserved. Do not select any unimplemented channel.
ADCS0
<ADCS1:ADCS0>
R/W-0
ADCON0
00
01
10
11
00
01
10
11
R/W-0
CHS2
W = Writable bit
’1’ = Bit is set
F
F
F
F
F
F
F
F
OSC
OSC
OSC
RC
OSC
OSC
OSC
RC
(clock derived from the internal A/D RC oscillator)
(clock derived from the internal A/D RC oscillator)
/2
/8
/32
/4
/16
/64
R/W-0
CHS1
The A/D module has four registers. These registers
are:
• A/D Result High Register (ADRESH)
• A/D Result Low Register (ADRESL)
• A/D Control Register 0 (ADCON0)
• A/D Control Register 1 (ADCON1)
The ADCON0 register, shown in Register 17-1, con-
trols the operation of the A/D module. The ADCON1
register, shown in Register 17-2, configures the
functions of the port pins.
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
R/W-0
CHS0
Clock Conversion
GO/DONE
R/W-0
PIC18FXX2
x = Bit is unknown
DS39564C-page 181
U-0
—
R/W-0
ADON
bit 0
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