PIC16F74-E/P Microchip Technology, PIC16F74-E/P Datasheet - Page 476
PIC16F74-E/P
Manufacturer Part Number
PIC16F74-E/P
Description
IC MCU FLASH 4KX14 A/D 40DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC16F73-ISP.pdf
(174 pages)
5.PIC16F73-ISP.pdf
(14 pages)
6.PIC16F73-ISP.pdf
(12 pages)
Specifications of PIC16F74-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
PIC16F74E/P
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F74-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F73-ISP PDF datasheet #4
- PIC16F73-ISP PDF datasheet #5
- PIC16F73-ISP PDF datasheet #6
- Current page: 476 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
25.10
DS31025A-page 25-18
Discrimination Ratio
Discrimination ratio is a way to calculate the contrast levels that a panel can achieve. The first
example is a static waveform from Figure 25-3. The voltages V
of 1 and 0. The next step is to construct an equation for one frame to help visualize the DC and
RMS voltages present on an individual pixel that is ON and OFF. The rest of the following shows
the calculation of the DC, RMS, and Discrimination Ratio.
Example 25-3:
See
Figure 25-3
D = V
Discrimination Ratio Calculation for Static MUX
V
COMx - SEGx [ON]
COMx - SEGx [OFF]
RMS
RMS
V
V
for Static waveform.
RMS
RMS
[ON]
[OFF]
[ON] =
[OFF] =
= 1 V
0 V
V
V
= 1 - 1,
= 0 + 0,
(1)
(0)
=
2
2
+ (-1)
+ (0)
2
2
V
V
DC
DC
2
2
= 0
= 0
=
=
1
and V
1 V
0 V
1997 Microchip Technology Inc.
0
will be assigned values
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