PIC16LF1933-E/MV Microchip Technology, PIC16LF1933-E/MV Datasheet - Page 323
PIC16LF1933-E/MV
Manufacturer Part Number
PIC16LF1933-E/MV
Description
IC MCU 8BIT 7KB FLASH 28UQFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1933-IMV.pdf
(430 pages)
Specifications of PIC16LF1933-E/MV
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
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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27.3
The LCD module can be configured for one of three
bias types:
• Static Bias (2 voltage levels: V
• 1/2 Bias (3 voltage levels: V
• 1/3 Bias (4 voltage levels: V
FIGURE 27-3:
2011 Microchip Technology Inc.
V
2/3 V
VLCD3
VLCD2
VLCD1
LCD
)
LCD
1.024V from
FVR
LCD Bias Voltage Generation
and V
VLCD3PE
VLCD2PE
LCD
VLCD1PE
)
x 3
LCD BIAS VOLTAGE GENERATION BLOCK DIAGRAM
V
DD
SS
SS
3.072V
SS
, 1/2 V
, 1/3 V
and V
LCD
LCD
LCD
,
and
)
Preliminary
LCDCST<2:0>
TABLE 27-2:
So that the user is not forced to place external compo-
nents and use up to three pins for bias voltage generation,
internal contrast control and an internal reference ladder
are provided internally to the PIC16(L)F1933. Both of
these features may be used in conjunction with the exter-
nal VLCD<3:1> pins, to provide maximum flexibility. Refer
to
LCD Bias 0
LCD Bias 1
LCD Bias 2
LCD Bias 3
Figure
LCDIRE
LCDA
LCDIRS
LCDA
LCDIRE
LCDIRS
27-3.
Static Bias
PIC16(L)F1933
V
LCD BIAS VOLTAGES
V
LCD
—
—
SS
3
LCDA
BIASMD
1/2 Bias
1/2 V
1/2 V
V
V
LCD
SS
LCDRLP0
LCDRLP1
DD
DD
DS41575A-page 323
3
lcdbias3
lcdbias2
lcdbias0
lcdbias1
1/3 Bias
1/3 V
2/3 V
V
V
LCD
SS
DD
DD
3
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