PIC16F88-I/ML Microchip Technology, PIC16F88-I/ML Datasheet - Page 477
PIC16F88-I/ML
Manufacturer Part Number
PIC16F88-I/ML
Description
IC MCU FLASH 4KX14 EEPROM 28QFN
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.PIC16F87-IP.pdf
(228 pages)
5.PIC16F87-IP.pdf
(8 pages)
6.PIC16F87-IP.pdf
(4 pages)
7.PIC16F87-IP.pdf
(8 pages)
Specifications of PIC16F88-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Controller Family/series
PIC16F
No. Of I/o's
16
Eeprom Memory Size
256Byte
Ram Memory Size
368Byte
Cpu Speed
20MHz
No. Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
368 B
Interface Type
SSP, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNAC164322 - MODULE SOCKET MPLAB PM3 28/44QFNAC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
Lead Free Status / Rohs Status
Details
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F87-IP PDF datasheet #4
- PIC16F87-IP PDF datasheet #5
- PIC16F87-IP PDF datasheet #6
- PIC16F87-IP PDF datasheet #7
- Current page: 477 of 688
- Download datasheet (3Mb)
1997 Microchip Technology Inc.
Note:
COM0 - SEGx [ON] =
COM0 - SEGx [OFF] =
V
V
D = V
Refer to Figure 25-6
RMS
RMS
V
[ON] =
[OFF] =
RMS
RMS
[ON]
[OFF]
The next example is for Figure 25-6 which is a 1/4 MUX, 1/3 BIAS waveform. For this example,
the values 3, 2, 1 and 0 will be assigned to V
DC voltage, RMS voltage and discrimination ratio calculations are shown in
Example 25-4:
As shown in these examples, static displays have excellent contrast. The higher the multiplex
ratio of the LCD, the lower the discrimination ratio, and therefore, the lower the contrast of the
display.
Table 25-5
and BIAS.
As the multiplex of the LCD panel increases, the discrimination ratio decreases. The contrast of
the panel will also decrease, so to provide better contrast the LCD voltages must be increased
to provide greater separation between each level.
Table 25-5: Discrimination Ratio vs. MUX and Bias
1/2 MUX
1/3 MUX
1/4 MUX
STATIC
V
V
= 3
shows the V
1
3 - 3 + 1 - 1 + 1 - 1 + 1 - 1
1 - 1 - 1 + 1 - 1 + 1 - 1 + 1
(1)
(3)
2
2
V
V
Discrimination Ratio Calculation 1/4 MUX
+ (-1)
+ (-3)
0.333
0.333
0.333
V
= 1.732
OFF
0
OFF
2
2
+ (-1)
+ (1)
, V
ON
2
1/3 BIAS
2
+ (-1)
and discrimination ratios of the various combinations of MUX
0.745
0.638
0.577
+ (1)
V
1
ON
2
2
8
8
+ (-1)
+ (1)
3
2
2.236
1.915
1.732
, V
2
+ (-1)
D
+ (1)
2
, V
V
V
DC
DC
1
Section 25. LCD
2
2
, and V
+ (-1)
= 0
= 0
+ (1)
2
2
0
+ (-1)
+ (1)
respectively. The frame equation,
2
2
=
DS31025A-page 25-19
=
Example
3
V
V
25-4.
25
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