PIC16LC924-08/CL View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16LC924-08/CL Datasheet PDF : 189 Pages
| |||
PIC16C9XX
13.1.2 MULTIPLEX TIMING GENERATION
The timing generation circuitry will generate 1 to 4 com-
mon clocks based on the display mode selected. The
mode is specified by bits LMUX1:LMUX0
(LCDCON<1:0>). Table 13-1 shows the formulas for
calculating the frame frequency.
TABLE 13-1: FRAME FREQUENCY
FORMULAS
Multiplex Frame Frequency =
Static
1/2
1/3
1/4
Clock source / (128 * (LP3:LP0 + 1))
Clock source / (128 * (LP3:LP0 + 1))
Clock source / (96 * (LP3:LP0 + 1))
Clock source / (128 * (LP3:LP0 + 1))
TABLE 13-2: APPROX. FRAME FREQ IN Hz
USING TIMER1 @ 32.768 kHz OR
Fosc @ 8 MHz
LP3:LP0
2
3
4
5
6
7
Static
85
64
51
43
37
32
1/2 1/3 1/4
85 114 85
64
85
64
51
68
51
43
57
43
37
49
37
32
43
32
TABLE 13-3: APPROX. FRAME FREQ IN Hz
USING INTERNAL RC OSC @
14 kHz
LP3:LP0
0
1
2
3
Static 1/2 1/3 1/4
109
109 146 109
55
55
73
55
36
36
49
36
27
27
36
27
DS30444E - page 96
© 1997 Microchip Technology Inc.
Share Link: 