PIC18F65K90T-I/PT Microchip Technology, PIC18F65K90T-I/PT Datasheet - Page 277

• Manufacturer Part Number: PIC18F65K90T-I/PT
• Description: 32kB Flash, 2kB RAM, 1kB EE, NanoWatt XLP, LCD 64 TQFP 10x10x1mm T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F65K90T-I/PT

• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 64 MHz
• Number Of Timers: 8
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 16 Channel
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP
• Lead Free Status / Rohs Status: Details

REGISTER 20-4:
 2009-2011 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5-4
bit 3
bit 2-0
Note 1:
LRLAP1
R/W-0
LCDRL<3> should be maintained as ‘0’.
LRLAP<1:0>: LCD Reference Ladder A Time Power Control bits
During Time Interval A:
11 = Internal LCD reference ladder is powered in High-Power mode
10 = Internal LCD reference ladder is powered in Medium Power mode
01 = Internal LCD reference ladder is powered in Low-Power mode
00 = Internal LCD reference ladder is powered down and unconnected
LRLBP<1:0>: LCD Reference Ladder B Time Power Control bits
During Time Interval B:
11 = Internal LCD reference ladder is powered in High-Power mode
10 = Internal LCD reference ladder is powered in Medium Power mode
01 = Internal LCD reference ladder is powered in Low-Power mode
00 = Internal LCD reference ladder is powered down and unconnected
Unimplemented: Read as ‘0’
LRLAT<2:0>: LCD Reference Ladder A Time Interval Control bits
Sets the number of 32 clock counts when 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
LRLAP0
R/W-0
LCDRL: LCD REFERENCE LADDER CONTROL REGISTER
W = Writable bit
‘1’ = Bit is set
LRLBP1
R/W-0
(1)
LRLBP0
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PIC18F87K90 FAMILY
—
U-0
(1)
LRLAT2
R/W-0
x = Bit is unknown
LRLAT1
R/W-0
DS39957D-page 277
LRLAT0
R/W-0
bit 0