PIC16C926 Microchip Technology Inc., PIC16C926 Datasheet - Page 92
PIC16C926
Manufacturer Part Number
PIC16C926
Description
64/68-pin Cmos Microcontrollers With Lcd Driver
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16C926.pdf
(182 pages)
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PIC16C925/926
11.1.2
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:
DS39544A-page 90
Multiplex
Static
1/2
1/3
1/4
MULTIPLEX TIMING GENERATION
Clock source/(128 * (LP3:LP0 + 1))
Clock source/(128 * (LP3:LP0 + 1))
Clock source/(96 * (LP3:LP0 + 1))
Clock source/(128 * (LP3:LP0 + 1))
FRAME FREQUENCY
FORMULAS
Frame Frequency =
Preliminary
TABLE 11-2:
TABLE 11-3:
LP3:LP0
LP3:LP0
2
3
4
5
6
7
0
1
2
3
APPROXIMATE FRAME
FREQUENCY (IN Hz)
USING TIMER1 @ 32.768 kHz
OR F
APPROXIMATE FRAME
FREQUENCY (IN Hz)
USING INTERNAL RC OSC
@ 14 kHz
Static
Static
109
55
36
27
85
64
51
43
37
32
OSC
2001 Microchip Technology Inc.
@ 8 MHz
109
1/2
55
36
27
1/2
85
64
51
43
37
32
146
1/3
114
1/3
73
49
36
85
68
57
49
43
109
1/4
1/4
55
36
27
85
64
51
43
37
32
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