PIC16LF1938-I/MV Microchip Technology, PIC16LF1938-I/MV Datasheet - Page 340
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16LF1938-I/MV
Manufacturer Part Number
PIC16LF1938-I/MV
Description
IC MCU 8BIT 28KB FLASH 28UQFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1938-IMV.pdf
(452 pages)
Specifications of PIC16LF1938-I/MV
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
28KB (16K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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PIC16(L)F1938/9
REGISTER 27-7:
DS41574A-page 340
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7-6
bit 5-4
bit 3
bit 2-0
R/W-0/0
LRLAP<1:0>
LRLAP<1:0>: LCD Reference Ladder A Time Power Control bits
During Time interval A (Refer to
00 = Internal LCD Reference Ladder is powered down and unconnected
01 = Internal LCD Reference Ladder is powered in Low-Power mode
10 = Internal LCD Reference Ladder is powered in Medium-Power mode
11 = Internal LCD Reference Ladder is powered in High-Power mode
LRLBP<1:0>: LCD Reference Ladder B Time Power Control bits
During Time interval B (Refer to
00 = Internal LCD Reference Ladder is powered down and unconnected
01 = Internal LCD Reference Ladder is powered in Low-Power mode
10 = Internal LCD Reference Ladder is powered in Medium-Power mode
11 = Internal LCD Reference Ladder is powered in High-Power mode
Unimplemented: Read as ‘0’
LRLAT<2:0>: LCD Reference Ladder A Time Interval Control bits
Sets the number of 32 kHz clocks that the A Time Interval Power mode is active
For type A waveforms (WFT = 0):
000 = Internal LCD Reference Ladder is always in ‘B’ Power mode
001 = Internal LCD Reference Ladder is in ‘A’ Power mode for 1 clock and ‘B’ Power mode for 15 clocks
010 = Internal LCD Reference Ladder is in ‘A’ Power mode for 2 clocks and ‘B’ Power mode for 14 clocks
011 = Internal LCD Reference Ladder is in ‘A’ Power mode for 3 clocks and ‘B’ Power mode for 13 clocks
100 = Internal LCD Reference Ladder is in ‘A’ Power mode for 4 clocks and ‘B’ Power mode for 12 clocks
101 = Internal LCD Reference Ladder is in ‘A’ Power mode for 5 clocks and ‘B’ Power mode for 11 clocks
110 = Internal LCD Reference Ladder is in ‘A’ Power mode for 6 clocks and ‘B’ Power mode for 10 clocks
111 = Internal LCD Reference Ladder is in ‘A’ Power mode for 7 clocks and ‘B’ Power mode for 9 clocks
For type B waveforms (WFT = 1):
000 = Internal LCD Reference Ladder is always in ‘B’ Power mode.
001 = Internal LCD Reference Ladder is in ‘A’ Power mode for 1 clock and ‘B’ Power mode for 31 clocks
010 = Internal LCD Reference Ladder is in ‘A’ Power mode for 2 clocks and ‘B’ Power mode for 30 clocks
011 = Internal LCD Reference Ladder is in ‘A’ Power mode for 3 clocks and ‘B’ Power mode for 29 clocks
100 = Internal LCD Reference Ladder is in ‘A’ Power mode for 4 clocks and ‘B’ Power mode for 28 clocks
101 = Internal LCD Reference Ladder is in ‘A’ Power mode for 5 clocks and ‘B’ Power mode for 27 clocks
110 = Internal LCD Reference Ladder is in ‘A’ Power mode for 6 clocks and ‘B’ Power mode for 26 clocks
111 = Internal LCD Reference Ladder is in ‘A’ Power mode for 7 clocks and ‘B’ Power mode for 25 clocks
R/W-0/0
LCDRL: LCD REFERENCE LADDER CONTROL REGISTERS
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R/W-0/0
LRLBP<1:0>
Figure
Figure
R/W-0/0
Preliminary
27-4):
27-4):
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
U-0
—
R/W-0/0
2011 Microchip Technology Inc.
LRLAT<2:0>
R/W-0/0
R/W-0/0
bit 0
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