PIC16F74-I/ML Microchip Technology, PIC16F74-I/ML Datasheet - Page 475
PIC16F74-I/ML
Manufacturer Part Number
PIC16F74-I/ML
Description
IC MCU FLASH 4KX14 A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC16F73-ISP.pdf
(174 pages)
5.PIC16F73-ISP.pdf
(14 pages)
6.PIC16F73-ISP.pdf
(12 pages)
Specifications of PIC16F74-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
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
44-QFN
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
192 B
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
33
Number Of Timers
3 bit
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000, DM163022
Minimum Operating Temperature
- 40 C
On-chip Adc
8
For Use With
XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F73-ISP PDF datasheet #4
- PIC16F73-ISP PDF datasheet #5
- PIC16F73-ISP PDF datasheet #6
- Current page: 475 of 688
- Download datasheet (3Mb)
25.8
25.9
1997 Microchip Technology Inc.
Effects of a Reset
Configuring the LCD Module
The LCD module is disabled, but the LCD pins are configured as LCD drivers. This ensures that
the microcontroller does not damage the LCD glass by accidently having a DC voltage across a
segment.
The following is the sequence of steps to follow to configure the LCD module.
1.
2.
3.
4.
5.
6.
- Multiplex mode and Bias, selected by the LMUX1:LMUX0 bits
- Timing source, selected by the CS1:CS0 bits
- Voltage generation, enabled by the VGEN bit
- Sleep mode operation, enabled by the SLPEN bit
Select the frame clock prescale using the LP3:LP0 bits (LCDPS<3:0>).
Configure the appropriate pins to function as segment drivers using the LCDSE register.
Configure the LCD module for the following using the LCDCON register.
Write initial values to pixel data registers, LCDD00 through LCDD15.
Clear LCD interrupt flag bit, LCDIF, and if desired, enable the interrupt by setting the
LCDIE bit.
Enable the LCD module, by setting the LCDEN bit (LCDCON<7>).
Section 25. LCD
DS31025A-page 25-17
25
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