PIC16LF1906-E/MV Microchip Technology, PIC16LF1906-E/MV Datasheet - Page 217
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16LF1906-E/MV
Manufacturer Part Number
PIC16LF1906-E/MV
Description
14KB Flash, 512B RAM, LCD, 11x10b ADC, EUSART, NanoWatt XLP 28 UQFN 4x4x0.5mm TU
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1904-EMV.pdf
(288 pages)
Specifications of PIC16LF1906-E/MV
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
LIN, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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19.12 Configuring the LCD Module
The following is the sequence of steps to configure the
LCD module.
1.
2.
3.
4.
5.
6.
7.
19.13 Disabling the LCD Module
To disable the LCD module, write all ‘0’s to the
LCDCON register.
2011 Microchip Technology Inc.
Select the frame clock prescale using bits
LP<3:0> of the LCDPS register.
Configure the appropriate pins to function as
segment drivers using the LCDSEn registers.
Configure the LCD module for the following
using the LCDCON register:
Write initial values to pixel data registers,
LCDDATA0 through LCDDATA21.
Clear LCD Interrupt Flag, LCDIF bit of the PIR2
register and if desired, enable the interrupt by
setting bit LCDIE of the PIE2 register.
Configure bias voltages by setting the LCDRL,
LCDREF and the associated ANSELx
registers as needed.
Enable the LCD module by setting bit LCDEN of
the LCDCON register.
- Timing source, bits CS<1:0>
- Sleep mode, bit SLPEN
- Multiplex and Bias mode, bits LMUX<1:0>
Preliminary
19.14 LCD Current Consumption
When using the LCD module the current consumption
consists of the following three factors:
• Oscillator Selection
• LCD Bias Source
• Capacitance of the LCD segments
The current consumption of just the LCD module can
be considered negligible compared to these other
factors.
19.14.1
The current consumed by the clock source selected
must be considered when using the LCD module. See
Section 22.0 “Electrical Specifications”
current consumption information.
19.14.2
The LCD bias source, internal or external, can contrib-
ute significantly to the current consumption. Use the
highest possible resistor values while maintaining
contrast to minimize current.
19.14.3
The LCD segments which can be modeled as capaci-
tors which must be both charged and discharged every
frame. The size of the LCD segment and its technology
determines the segment’s capacitance.
PIC16LF1904/6/7
OSCILLATOR SELECTION
LCD BIAS SOURCE
CAPACITANCE OF THE LCD
SEGMENTS
DS41569A-page 217
for oscillator
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