PIC16LF1947-I/PT Microchip Technology, PIC16LF1947-I/PT Datasheet - Page 363
![IC MCU 8BIT FLASH 64TQFP](/photos/29/8/290880/tqfp64_sml.jpg)
PIC16LF1947-I/PT
Manufacturer Part Number
PIC16LF1947-I/PT
Description
IC MCU 8BIT FLASH 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16LF1933-ISS.pdf
(46 pages)
2.PIC16LF1946-IPT.pdf
(448 pages)
3.PIC16LF1946-IPT.pdf
(6 pages)
Specifications of PIC16LF1947-I/PT
Program Memory Type
FLASH
Program Memory Size
28KB (16K 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
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 17x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
EUSART/I2C/SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
54
Number Of Timers
5
Operating Supply Voltage
1.8 V to 3.6 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
Minimum Operating Temperature
- 40 C
On-chip Adc
17-ch x 10-bit
A/d Bit Size
10 bit
A/d Channels Available
17
Height
1 mm
Length
10 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Width
10 mm
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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Price
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27.10 LCD Interrupts
The LCD module provides an interrupt in two cases. An
interrupt when the LCD controller goes from active to
inactive controller. An interrupt also provides unframe
boundaries for Type B waveform. The LCD timing gen-
eration provides an interrupt that defines the LCD
frame timing.
27.10.1
An LCD interrupt is generated when the module
completes shutting down (LCDA goes from ‘1’ to ‘0’).
27.10.2
A new frame is defined to begin at the leading edge of
the COM0 common signal. The interrupt will be set
immediately after the LCD controller completes access-
ing all pixel data required for a frame. This will occur at
a fixed interval before the frame boundary (T
shown in
access data for the next frame within the interval from
the interrupt to when the controller begins to access
data after the interrupt (T
ten within T
begin to access the data for the next frame.
When the LCD driver is running with Type-B waveforms
and the LMUX<1:0> bits are not equal to ‘00’ (static
drive), there are some additional issues that must be
addressed. Since the DC voltage on the pixel takes two
frames to maintain zero volts, the pixel data must not
change between subsequent frames. If the pixel data
were allowed to change, the waveform for the odd
frames would not necessarily be the complement of the
waveform generated in the even frames and a DC
component would be introduced into the panel.
Therefore, when using Type-B waveforms, the user
must synchronize the LCD pixel updates to occur within
a subframe after the frame interrupt.
To correctly sequence writing while in Type-B, the
interrupt will only occur on complete phase intervals. If
the user attempts to write when the write is disabled,
the WERR bit of the LCDCON register is set and the
write does not occur.
2010 Microchip Technology Inc.
Note:
Figure
The LCD frame interrupt is not generated
when the Type-A waveform is selected
and when the Type-B with no multiplex
(static) is selected.
FWR
LCD INTERRUPT ON MODULE
SHUTDOWN
LCD FRAME INTERRUPTS
, as this is when the LCD controller will
27-19. The LCD controller will begin to
FWR
). New data must be writ-
FINT
), as
Preliminary
PIC16F/LF1946/47
DS41414B-page 363
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