PIC16C925/CL Microchip Technology, PIC16C925/CL Datasheet - Page 92

• Manufacturer Part Number: PIC16C925/CL
• Description: IC MCU EPROM 4KX14 LCDDVR 68CLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C925/CL

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: EPROM
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-CLCC Window, 68-CERQUAD
• For Use With: AC164308 - MODULE SKT FOR PM3 68PLCCDVA16XL680 - ADAPTER DEVICE FOR MPLAB-ICEAC164024 - ADAPTER PICSTART PLUS 68PLCCAC164022 - MODULE SKT PROMATEII 68PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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