PIC16F1936-I/SS Microchip Technology, PIC16F1936-I/SS Datasheet - Page 255
![IC PIC MCU FLASH 512KX14 28-SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC16F1936-I/SS
Manufacturer Part Number
PIC16F1936-I/SS
Description
IC PIC MCU FLASH 512KX14 28-SSOP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16LF1933-ISS.pdf
(508 pages)
3.PIC16LF1933-ISS.pdf
(46 pages)
4.PIC16F1936-ISS.pdf
(2 pages)
5.PIC16F1936-ISS.pdf
(10 pages)
6.PIC16F1936-ISS.pdf
(40 pages)
7.PIC16F1936-ISS.pdf
(30 pages)
8.PIC16F1936-ISS.pdf
(12 pages)
9.PIC16LF1934-IML.pdf
(418 pages)
Specifications of PIC16F1936-I/SS
Program Memory Type
FLASH
Program Memory Size
14KB (8K x 14)
Package / Case
28-SSOP
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
EUSART/MI2C/SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
25
Number Of Timers
5
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
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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- PIC16F722-ISS PDF datasheet
- PIC16LF1933-ISS PDF datasheet #2
- PIC16LF1933-ISS PDF datasheet #3
- PIC16F1936-ISS PDF datasheet #4
- PIC16F1936-ISS PDF datasheet #5
- PIC16F1936-ISS PDF datasheet #6
- PIC16F1936-ISS PDF datasheet #7
- PIC16F1936-ISS PDF datasheet #8
- PIC16LF1934-IML PDF datasheet #9
- Current page: 255 of 418
- Download datasheet (7Mb)
21.4.4
The LCD contrast control circuit consists of a
seven-tap resistor ladder, controlled by the LCDCST
bits. Refer to Figure 21-6.
FIGURE 21-6:
21.4.5
Under firmware control, an internal reference for the
LCD bias voltages can be enabled. When enabled, the
source of this voltage can be either V
3 times the main fixed voltage reference (3.072V).
When no internal reference is selected, the LCD con-
trast control circuit is disabled and LCD bias must be
provided externally.
Whenever the LCD module is inactive (LCDA = 0), the
internal reference will be turned off.
When the internal reference is enabled and the Fixed
Voltage Reference is selected, the LCDIRI bit can be
used to minimize power consumption by tieing into the
LCD reference ladder automatic power mode switch-
ing. When LCDIRI = 1, the power mode that the inter-
nal LCD reference ladder enables the buffer when in
power mode ‘A’ and disables it when in power mode ‘B’.
.
© 2008 Microchip Technology Inc.
Note:
3.072V
From FVR
Buffer
Internal Reference
CONTRAST CONTROL
INTERNAL REFERENCE
The LCD module automatically turns on the
fixed voltage reference when needed.
V
DDIO
INTERNAL REFERENCE AND CONTRAST CONTROL BLOCK DIAGRAM
DDIO
or a voltage
R
Contrast control
Preliminary
R
7 Stages
The contrast control circuit is used to decrease the
output voltage of the signal source by a total of
approximately 10%, when LCDCST = 111.
Whenever the LCD module is inactive (LCDA = 0), the
contrast control ladder will be turned off (open).
21.4.6
The VLCD<3:1> pins provide the ability for an external
LCD bias network to be used instead of the internal lad-
der. Use of the VLCD<3:1> pins does not prevent use
of the internal ladder. Each VLCD pin has an indepen-
dent control in the LCDREF register (Register 21-3),
allowing access to any or all of the LCD Bias signals.
This architecture allows for maximum flexibility in differ-
ent applications
For example, the VLCD<3:1> pins may be used to add
capacitors to the internal reference ladder, increasing
the drive capacity.
For applications where the internal contrast control is
insufficient, the firmware can choose to only enable the
VLCD3 pin, allowing an external contrast control circuit
to use the internal reference divider.
PIC16F193X/LF193X
R
LCDCST<2:0>
VLCD<3:1> PINS
R
3
Analog
MUX
7
0
To top of
Reference Ladder
DS41364A-page 253
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