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PIC16C925-S/CL Datasheet(PDF) 92 Page - Microchip Technology

Part # PIC16C925-S/CL
Description  64/68-Pin CMOS Microcontrollers with LCD Driver
PDF  182 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16C925-S/CL Datasheet(HTML) 92 Page - Microchip Technology

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PIC16C925/926
DS39544A-page 90
Preliminary
 2001 Microchip Technology Inc.
11.1.2
MULTIPLEX TIMING GENERATION
The timing generation circuitry will generate one to four
common clocks based on the display mode selected.
The
mode
is
specified by
bits
LMUX1:LMUX0
(LCDCON<1:0>). Table 11-1 shows the formulas for
calculating the frame frequency.
TABLE 11-1:
FRAME FREQUENCY
FORMULAS
TABLE 11-2:
APPROXIMATE FRAME
FREQUENCY (IN Hz)
USING TIMER1 @ 32.768 kHz
OR FOSC @ 8 MHz
TABLE 11-3:
APPROXIMATE FRAME
FREQUENCY (IN Hz)
USING INTERNAL RC OSC
@ 14 kHz
Multiplex
Frame Frequency =
Static
Clock source/(128 * (LP3:LP0 + 1))
1/2
Clock source/(128 * (LP3:LP0 + 1))
1/3
Clock source/(96 * (LP3:LP0 + 1))
1/4
Clock source/(128 * (LP3:LP0 + 1))
LP3:LP0
Static
1/2
1/3
1/4
2
85
85
114
85
3
64
64
85
64
4
51
51
68
51
5
43
43
57
43
6
37
37
49
37
7
32
32
43
32
LP3:LP0
Static
1/2
1/3
1/4
0
109
109
146
109
1
55
55
73
55
2
36
36
49
36
3
27
27
36
27



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