PIC16F818-I/SO Microchip Technology, PIC16F818-I/SO Datasheet - Page 473
![IC MCU FLASH 1KX14 18-SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16F818-I/SO
Manufacturer Part Number
PIC16F818-I/SO
Description
IC MCU FLASH 1KX14 18-SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(176 pages)
4.PIC16F818-ISO.pdf
(6 pages)
5.PIC16F818-ISO.pdf
(8 pages)
6.PIC16F818-ISO.pdf
(8 pages)
Specifications of PIC16F818-I/SO
Program Memory Type
FLASH
Program Memory Size
1.75KB (1K x 14)
Package / Case
18-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
I2C/SPI/SSP
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
3
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
5-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164010 - MODULE SKT PROMATEII DIP/SOIC
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F818-I/SO
Manufacturer:
MICROCHIP
Quantity:
3 290
Part Number:
PIC16F818-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F818-ISO PDF datasheet #4
- PIC16F818-ISO PDF datasheet #5
- PIC16F818-ISO PDF datasheet #6
- Current page: 473 of 688
- Download datasheet (3Mb)
25.6
25.6.1
25.6.2
1997 Microchip Technology Inc.
V
DD
Note 1: Location of optional filter capacitor.
VLCDADJ
100k
130k
Charge Pump
External R-Ladder
Voltage Generation
2: These values are provided for design guidance only and should be optimized to the application by
(2)
(2)
nominal
10 A
the designer.
There are two methods for LCD voltage generation, internal charge pump, or external resistor
ladder.
The LCD charge pump is shown in
base voltage from the varying battery voltage. This regulator is adjustable through the range by
connecting a variable external resistor from VLCDADJ to ground. The potentiometer provides
contrast adjustment for the LCD. This base voltage is connected to V
The charge pump boosts V
pump is not operating, V
tion for charge pump capacitor and potentiometer values.
The LCD module can also use an external resistor ladder (R-Ladder) to generate the LCD volt-
ages.
bit must be cleared to use an external R-Ladder.
Figure 25-8:
V
V
DD
DD
Figure 25-8
V
0.47 F
LCD
10k*
3
Charge Pump and Resistor Ladder Block Diagram
(2)
shows external connections for static and 1/3 bias. The VGEN (LCDCON<4>)
(1)
V
0.47 F
LCD
LCD
10k
10k
LCD
2
3 will be internally tied to V
Charge Pump
(2)
(2)
1 into V
(2)
(1)
(1)
Figure
V
0.47 F
LCD
LCD
2 = 2 * V
1
25-8. The 1.0V - 2.3V regulator will establish a stable
(2)
10k*
LCD
Section 25. LCD
1 and V
DD
. See the Electrical Specifications sec-
LCD
(1)
0.47 F
3 = 3 * V
C1
5k
5k
(2)
(2)
LCD
C2
(2)
1 on the charge pump.
LCD
DS31025A-page 25-15
1. When the charge
External
connections for
internal charge
pump, VGEN = 1.
External
External
connections for
external R-ladder,
1/3 Bias,
VGEN = 0.
connections for
external R-ladder,
Static Bias,
VGEN = 0.
SLPEN
LCDEN
25
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