PIC16F1946-I/PT Microchip Technology, PIC16F1946-I/PT Datasheet - Page 343
PIC16F1946-I/PT
Manufacturer Part Number
PIC16F1946-I/PT
Description
IC MCU 8BIT FLASH 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16LF1933-ISS.pdf
(46 pages)
3.PIC16LF1946-IPT.pdf
(448 pages)
4.PIC16LF1946-IPT.pdf
(6 pages)
5.PIC16F1946-IPT.pdf
(8 pages)
Specifications of PIC16F1946-I/PT
Program Memory Type
FLASH
Program Memory Size
14KB (8K x 14)
Package / Case
64-TFQFP
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
54
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 17x10b
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/I2C/SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
54
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, PG164120, ICE2000
Minimum Operating Temperature
- 40 C
On-chip Adc
17-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
- PIC16LF1946-IPT PDF datasheet #3
- PIC16LF1946-IPT PDF datasheet #4
- PIC16F1946-IPT PDF datasheet #5
- Current page: 343 of 448
- Download datasheet (4Mb)
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:
2010 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 PIC16F/LF1946/47. 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
PIC16F/LF1946/47
LCDA
LCDIRE
LCDIRS
27-3.
Static Bias
V
LCD BIAS VOLTAGES
V
LCD
—
—
SS
3
Power Mode Switching
(LRLAP or LRLBP)
LCDA
BIASMD
2
1/2 Bias
1/2 V
1/2 V
V
A
B
V
LCD
SS
DD
DD
DS41414B-page 343
3
2
2
lcdbias3
lcdbias2
lcdbias0
lcdbias1
1/3 Bias
1/3 V
2/3 V
V
V
LCD
SS
DD
DD
3
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