PIC16LC923-04I/PT Microchip Technology, PIC16LC923-04I/PT Datasheet - Page 96

• Manufacturer Part Number: PIC16LC923-04I/PT
• Description: IC MCU OTP 4KX14 LCD DVR 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16LC923-04I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: I²C, SPI
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

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