PIC18F45K22-E/PT Microchip Technology, PIC18F45K22-E/PT Datasheet - Page 321

• Manufacturer Part Number: PIC18F45K22-E/PT
• Description: MCU 8BIT 32KB FLASH 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F45K22-E/PT

• Program Memory Type: FLASH
• Program Memory Size: 32KB (16K x 16)
• Package / Case: 44-TQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 30x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1536 B
• Interface Type: I2C, SPI, EUSART
• Maximum Clock Frequency: 64 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 7
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164005
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 28 Channel
• On-chip Dac: 5 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

EXAMPLE 19-1:
 2010 Microchip Technology Inc.
#include "p18cxxx.h"
/**************************************************************************/
/*Set up CTMU *****************************************************************/
/**************************************************************************/
void setup(void)
{ //CTMUCONH/1 - CTMU Control registers
/**************************************************************************/
//Set up AD converter;
/**************************************************************************/
}
//
// ADCON2
ADCON2bits.ADFM=1;
ADCON2bits.ACQT=1;
ADCON2bits.ADCS=2;
// ADCON1
ADCON1bits.PVCFG0 =0;
ADCON1bits.NVCFG1 =0;
ADCON0bits.CHS=2;
ADCON0bits.ADON=1;
ANSELAbits.ANSA2=1;
TRISAbits.TRISA2=1;
CTMUCONH = 0x00;
CTMUCONL = 0x90;
//CTMU continues to run when emulator is stopped,CTMU continues
//to run in idle mode,Time Generation mode disabled, Edges are blocked
//No edge sequence order, Analog current source not grounded, trigger
//output disabled, Edge2 polarity = positive level, Edge2 source =
//source 0, Edge1 polarity = positive level, Edge1 source = source 0,
//CTMUICON - CTMU Current Control Register
CTMUICON = 0x01;
TRISA=0x04;
// Configure AN2 as an analog channel
ADCON0
SETUP FOR CTMU CALIBRATION ROUTINES
//make sure CTMU is disabled
//0.55uA, Nominal - No Adjustment
//set channel 2 as an input
// Results format 1= Right justified
// Acquition time 7 = 20TAD 2 = 4TAD 1=2TAD
// Clock conversion bits 6= FOSC/64 2=FOSC/32
// Select ADC channel
// Turn on ADC
// Vref+ = AVdd
// Vref- = AVss
Preliminary
PIC18(L)F2X/4XK22
DS41412D-page 321