PIC18F27J53T-I/SO Microchip Technology, PIC18F27J53T-I/SO Datasheet - Page 429

• Manufacturer Part Number: PIC18F27J53T-I/SO
• Description: 28-pin, USB, 128KB Flash, 4KB RAM, 12 MIPS, 12-bit ADC, NanoWatt XLP 28 SOIC .30
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F27J53T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Ram Size: 3.8K x 8
• Voltage - Supply (vcc/vdd): 2.15 V ~ 3.6 V
• Data Converters: A/D 10x10b/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3.8 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 8
• Operating Supply Voltage: 2.15 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

EXAMPLE 27-1:
 2010 Microchip Technology Inc.
#include <p18cxxx.h>
/**************************************************************************/
/*Setup CTMU *****************************************************************/
/**************************************************************************/
void setup(void)
{ //CTMUCON - CTMU Control register
/**************************************************************************/
//Setup AD converter;
/**************************************************************************/
}
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;
// Configured AN2 as an analog channel
// ANCON0
ANCON0 = 0XFB;
// ANCON1
ANCON1 = 0X1F;
// ADCON1
ADCON1bits.ADFM=1;
ADCON1bits.ADCAL=0;
ADCON1bits.ACQT=1;
ADCON1bits.ADCS=2;
ADCON0bits.VCFG0 =0;
ADCON0bits.VCFG1 =0;
ADCON0bits.CHS=2;
ADCON0bits.ADON=1;
// ADCON0
SETUP FOR CTMU CALIBRATION ROUTINES
//make sure CTMU is disabled
// Resulst format 1= Right justified
// Normal A/D conversion operation
// Acquition time 7 = 20TAD 2 = 4TAD 1=2TAD
// Clock conversion bits 6= FOSC/64 2=FOSC/32
// Vref+ = AVdd
// Vref- = AVss
// Select ADC channel
// Turn on ADC
//0.55uA, Nominal - No Adjustment
//set channel 2 as an input
Preliminary
PIC18F47J53 FAMILY
DS39964B-page 429