PIC16F688-I/STG Microchip Technology, PIC16F688-I/STG Datasheet - Page 72

• Manufacturer Part Number: PIC16F688-I/STG
• Description: IC PIC MCU FLASH 4KX14 14TSSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F688-I/STG

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-TSSOP
• For Use With: XLT14SS-1 - SOCKET TRANSITION 14DIP/14SSOPAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC162056 - HEADER INTERFACE ICD2 16F688
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F688
EXAMPLE 8-1:
DS41203E-page 70
;This code block configures the ADC
;for polling, Vdd reference, Frc clock
;and AN0 input.
;
;Conversion start & polling for completion
; are included.
;
BANKSEL ADCON1
MOVLW
MOVWF
BANKSEL TRISA
BSF
BANKSEL ANSEL
BSF
BANKSEL ADCON0
MOVLW
MOVWF
CALL
BSF
BTFSC
GOTO
BANKSEL ADRESH
MOVF
MOVWF
BANKSEL ADRESL
MOVF
MOVWF
B’01110000’ ;ADC Frc clock
ADCON1
TRISA,0
ANSEL,0
B’10000001’ ;Right justify,
ADCON0
SampleTime
ADCON0,GO
ADCON0,GO
$-1
ADRESH,W
RESULTHI
ADRESL,W
RESULTLO
A/D CONVERSION
;
;
;
;Set RA0 to input
;
;Set RA0 to analog
;
;Vdd Vref, AN0, On
;Acquisiton delay
;Start conversion
;Is conversion done?
;No, test again
;
;Read upper 2 bits
;store in GPR space
;
;Read lower 8 bits
;Store in GPR space
© 2009 Microchip Technology Inc.