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PIC16F946-E/MLQTP Datasheet(PDF) 147 Page - Microchip Technology

Part # PIC16F946-E/MLQTP
Description  28/40/44/64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
PDF  330 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F946-E/MLQTP Datasheet(HTML) 147 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS41250F-page 145
PIC16F913/914/916/917/946
REGISTER 10-1:
LCDCON: LIQUID CRYSTAL DISPLAY CONTROL REGISTER
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
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
C = Only clearable bit
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
-n = Value at POR
bit 7
LCDEN: LCD Driver Enable bit
1
= LCD driver module is enabled
0
= LCD driver module is disabled
bit 6
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
bit 5
WERR: LCD Write Failed Error bit
1
= LCDDATAx register written while the WA bit of the LCDPS register = 0 (must be cleared in
software)
0
= No LCD write error
bit 4
VLCDEN: LCD Bias Voltage Pins Enable bit
1
= VLCD pins are enabled
0
= VLCD pins are disabled
bit 3-2
CS<1:0>: Clock Source Select bits
00
= FOSC/8192
01
= T1OSC (Timer1)/32
1x
= LFINTOSC (31 kHz)/32
bit 1-0
LMUX<1:0>: Commons Select bits
Note 1:
On PIC16F913/916 devices, COM3 and SEG15 are shared on one pin, limiting the device from driving 64
pixels.
LMUX<1:0>
Multiplex
Maximum Number of Pixels
Bias
PIC16F913/916
PIC16F914/917
PIC16F946
00
Static (COM0)
16
24
42
Static
01
1/2 (COM<1:0>)
32
48
84
1/2 or 1/3
10
1/3 (COM<2:0>)
48
72
126
1/2 or 1/3
11
1/4 (COM<3:0>)
60(1)
96
168
1/3



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