PIC18F45J50-I/PT Microchip Technology, PIC18F45J50-I/PT Datasheet - Page 406
![IC PIC MCU FLASH 32K 2V 44-TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F45J50-I/PT
Manufacturer Part Number
PIC18F45J50-I/PT
Description
IC PIC MCU FLASH 32K 2V 44-TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18LF24J50-ISS.pdf
(554 pages)
2.PIC18LF24J50-ISS.pdf
(12 pages)
3.PIC18F26J11-ISO.pdf
(28 pages)
Specifications of PIC18F45J50-I/PT
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Operating Supply Voltage
2.25 V to 2.75 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136, DM183032, MA180024, DM183022
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
Controller Family/series
PIC18
No. Of I/o's
22
Ram Memory Size
3776Byte
Cpu Speed
48MHz
No. Of Timers
5
Embedded Interface Type
EUSART, I2C, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F45J50-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 406 of 554
- Download datasheet (9Mb)
PIC18F46J50 FAMILY
EXAMPLE 25-4:
DS39931C-page 406
#include "p18cxxx.h"
#define COUNT 500
#define DELAY for(i=0;i<COUNT;i++)
#define OPENSW 1000
#define TRIP 300
#define HYST 65
#define PRESSED 1
#define UNPRESSED 0
int main(void)
{
}
unsigned int Vread;
unsigned int switchState;
int i;
//assume CTMU and A/D have been setup correctly
//see Example 25-1 for CTMU & A/D setup
setup();
CTMUCONHbits.CTMUEN = 1;
CTMUCONLbits.EDG1STAT = 0;
CTMUCONLbits.EDG2STAT = 0;
CTMUCONHbits.IDISSEN = 1;
DELAY;
CTMUCONHbits.IDISSEN = 0;
CTMUCONLbits.EDG1STAT = 1;
DELAY;
CTMUCONLbits.EDG1STAT = 0;
PIR1bits.ADIF = 0;
ADCON0bits.GO=1;
while(!PIR1bits.ADIF);
Vread = ADRES;
if(Vread < OPENSW - TRIP)
{
}
else if(Vread > OPENSW - TRIP + HYST)
{
}
switchState = PRESSED;
switchState = UNPRESSED;
ROUTINE FOR CAPACITIVE TOUCH SWITCH
//@ 8MHz = 125uS.
//Un-pressed switch value
//Difference between pressed
//and un-pressed switch
//amount to change
//from pressed to un-pressed
//storage for reading
// Enable the CTMU
// Set Edge status bits to zero
//drain charge on the circuit
//wait 125us
//end drain of circuit
//Begin charging the circuit
//using CTMU current source
//wait for 125us
//Stop charging circuit
//make sure A/D Int not set
//and begin A/D conv.
//Wait for A/D convert complete
//Get the value from the A/D
© 2009 Microchip Technology Inc.
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