PIC16F74-I/P Microchip Technology, PIC16F74-I/P Datasheet - Page 481

• Manufacturer Part Number: PIC16F74-I/P
• Description: IC MCU FLASH 4KX14 A/D 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F74-I/P

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 33
• Program Memory Type: FLASH
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Package: 40PDIP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 33
• Interface Type: I2C/SPI/USART
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 3
• Processor Series: PIC16F
• Core: PIC
• Data Ram Size: 192 B
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

25.14
1997 Microchip Technology Inc.
Initialization
Example 25-5
Example 25-5:
BCF
BCF
BSF
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
CLRF
BSF
BSF
BCF
PIR1,LCDIF
STATUS,RP0
STATUS,RP1
0x06
LCDPS
0xff
LCDSE
0x17
LCDCON
LCDD00
LCDD01
LCDD02
LCDD03
LCDD04
LCDD05
LCDD06
LCDD07
LCDD08
LCDD09
LCDD10
LCDD11
LCDD12
LCDD13
LCDD14
LCDD15
PIE1,LCDIE
LCDCON,LCDEN
STATUS,RP1
shows the code for initializing the LCD module with all segments cleared.
LCD Initialization Code
; Clear LCD interrupt flag
; Go to Bank2
; Set frame freq to ~37Hz
; Make all pin functions LCD drivers
; Drive during SLEEP, Charge pump enabled
; Timer1 clock source, 1/4 MUX
; Clear all data registers to turn
;
; Enable LCD interrupts
; Enable LCD Module
; Go to Bank0
all pixels off
Section 25. LCD
DS31025A-page 25-23
25