PIC16LF1939-E/PT Microchip Technology, PIC16LF1939-E/PT Datasheet - Page 340

• Manufacturer Part Number: PIC16LF1939-E/PT
• Description: 28KB Flash, 1KB RAM, 256B EEPROM, LCD, NanoWatt XLP 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1939-E/PT

• 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: 36
• 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 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F193X/LF193X
REGISTER 26-7:
DS41364D-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 Figure 26-4):
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 Figure 26-4):
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>
R/W-0/0
Preliminary
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
U-0
—
R/W-0/0
 2009 Microchip Technology Inc.
LRLAT<2:0>
R/W-0/0
R/W-0/0
bit 0