PIC18F6490-E/PT Microchip Technology, PIC18F6490-E/PT Datasheet - Page 261

• Manufacturer Part Number: PIC18F6490-E/PT
• Description: IC PIC MCU FLASH 16KX16 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F6490-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• For Use With: DM163028 - BOARD DEMO PICDEM LCD
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

REGISTER 22-2:
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3-0
R/W-0
WFT
WFT: Waveform Type Select bit
1 = Type-B waveform (phase changes on each frame boundary)
0 = Type-A waveform (phase changes within each common type)
BIASMD: Bias Mode Select bit
When LMUX1:LMUX0 = 00:
0 = Static Bias mode (do not set this bit to ‘1’)
When LMUX1:LMUX0 = 01:
1 = 1/2 Bias mode
0 = 1/3 Bias mode
When LMUX1:LMUX0 = 10:
1 = 1/2 Bias mode
0 = 1/3 Bias mode
When LMUX1:LMUX0 = 11:
0 = 1/3 Bias mode (do not set this bit to ‘1’)
LCDA: LCD Active Status bit
1 = LCD driver module is active
0 = LCD driver module is inactive
WA: LCD Write Allow Status bit
1 = Write into the LCDDATAx registers is allowed
0 = Write into the LCDDATAx registers is not allowed
LP3:LP0: LCD Prescaler Select bits
1111 = 1:16
1110 = 1:15
1101 = 1:14
1100 = 1:13
1011 = 1:12
1010 = 1:11
1001 = 1:10
1000 = 1:9
0111 = 1:8
0110 = 1:7
0101 = 1:6
0100 = 1:5
0011 = 1:4
0010 = 1:3
0001 = 1:2
0000 = 1:1
BIASMD
R/W-0
LCDPS: LCD PHASE REGISTER
W = Writable bit
‘1’ = Bit is set
LCDA
R-0
PIC18F6390/6490/8390/8490
R-0
WA
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
LP3
R/W-0
LP2
x = Bit is unknown
R/W-0
LP1
DS39629C-page 259
R/W-0
LP0
bit 0