PIC16LF1904T-I/PT Microchip Technology, PIC16LF1904T-I/PT Datasheet - Page 185
![7KB Flash, 256B RAM, LCD, 14x10b ADC, EUSART, NanoWatt XLP 44 TQFP 10x10x1mm T/R](/photos/16/3/160374/pdip40_sml.jpg)
PIC16LF1904T-I/PT
Manufacturer Part Number
PIC16LF1904T-I/PT
Description
7KB Flash, 256B RAM, LCD, 14x10b ADC, EUSART, NanoWatt XLP 44 TQFP 10x10x1mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1904-EMV.pdf
(288 pages)
Specifications of PIC16LF1904T-I/PT
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
36
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
36
Number Of Timers
1 x 16-bit, 1 x 8-bit
Operating Supply Voltage
1.8 V to 5.5 V
Mounting Style
Through Hole
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1904T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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19.0
The Liquid Crystal Display (LCD) driver module
generates the timing control to drive a static or
multiplexed LCD panel. In the PIC16LF1904/6/7
device, the module drives the panels of up to four
commons and up to 116 total segments. The LCD
module also provides control of the LCD pixel data.
The LCD driver module supports:
• Direct driving of LCD panel
• Three LCD clock sources with selectable prescaler
• Up to four common pins:
• 19 Segment pins (PIC16LF1906 only)
• 29 Segment pins (PIC16LF1904/7 only)
• Static, 1/2 or 1/3 LCD Bias
FIGURE 19-1:
2011 Microchip Technology Inc.
- Static (1 common)
- 1/2 multiplex (2 commons)
- 1/3 multiplex (3 commons)
- 1/4 multiplex (4 commons)
Note:
Note 1:
LIQUID CRYSTAL DISPLAY
(LCD) DRIVER MODULE
COM3 and SEG15 share the same
physical
therefore SEG15 is not available when
using 1/4 multiplex displays.
2:
These are not directly connected to the I/O pads, but may be tri-stated, depending on the configuration of
the LCD module.
COM3 and SEG15 share the same physical pin, therefore SEG15 is not available when using 1/4 multi-
plex displays. For the PIC16LF1906 device only.
Data Bus
pin
LCD DRIVER MODULE BLOCK DIAGRAM
F
T1OSC
LFINTOSC
OSC
on
/256
the
Timing Control
PIC16LF1906,
Clock Source
LCDDATAx
Select and
Registers
Prescaler
LCDCON
LCDSEn
LCDPS
Preliminary
COM<3:0>
MUX
19.1
The module contains the following registers:
• LCD Control register (LCDCON)
• LCD Phase register (LCDPS)
• LCD Reference Ladder register (LCDRL)
• LCD Contrast Control register (LCDCST)
• LCD Reference Voltage Control register
• Up to 4 LCD Segment Enable registers (LCDSEn)
• Up to 16 LCD data registers (LCDDATAn)
(LCDREF)
SEG<28:0>
LCD Registers
PIC16LF1904/6/7
To I/O Pads
(2)
(1)
To I/O Pads
(1)
DS41569A-page 185
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