PIC16F946 Datasheet, PDF (107/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
REGISTER 9-1:
LCDCON – LIQUID CRYSTAL DISPLAY CONTROL REGISTER (ADDRESS: 107h)
R/W-0 R/W-0 R/C-0 R/W-1 R/W-0 R/W-0
R/W-1
R/W-1
LCDEN SLPEN WERR VLCDEN CS1
CS0
LMUX1 LMUX0
bit 7
bit 0
bit 7
bit 6
bit 5
bit 4
bit 3-2
bit 1-0
LCDEN: LCD Driver Enable bit
1 = LCD driver module is enabled
0 = LCD driver module is disabled
SLPEN: LCD Driver Enable in Sleep mode bit
1 = LCD driver module is disabled in Sleep mode
0 = LCD driver module is enabled in Sleep mode
WERR: LCD Write Failed Error bit
1 = LCDDATAx register written while LCDPS<WA> = 0 (must be cleared in software)
0 = No LCD write error
VLCDEN: LCD Bias Voltage Pins Enable bit
1 = VLCD pins are enabled
0 = VLCD pins are disabled
CS<1:0>: Clock Source Select bits
00 = FOSC/8192
01 = T1OSC (Timer1)/32
1x = LFINTOSC (31 kHz)/32
LMUX<1:0>: Commons Select bits
LMUX<1:0>
00
01
10
11
Multiplex
Static (COM0)
1/2 (COM<1:0>)
1/3 (COM<2:0>)
1/4 (COM<3:0>)
Maximum Number of Pixels
42
84
126
168
Bias
Static
1/2 or 1/3
1/2 or 1/3
1/3
Legend:
R = Readable bit
C = Only clearable bit
- n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 105