PIC16F1947-I/PT Microchip Technology, PIC16F1947-I/PT Datasheet - Page 144
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PIC16F1947-I/PT
Manufacturer Part Number
PIC16F1947-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)
6.PIC16F1946-EPT.pdf
(440 pages)
Specifications of PIC16F1947-I/PT
Core Size
8-Bit
Program Memory Size
28KB (16K x 14)
Core Processor
PIC
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1K 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
Package / Case
64-TFQFP
Controller Family/series
PIC16F
Eeprom Memory Size
256Byte
Ram Memory Size
1024Byte
Cpu Speed
32MHz
No. Of Timers
5
Interface
EUSART, I2C, SPI
Processor Series
PIC16F
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
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
10 bit, 17 Channel
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
- PIC16F1946-EPT PDF datasheet #6
- Current page: 144 of 440
- Download datasheet (5Mb)
PIC16F/LF1946/47
12.8
PORTG is a 8-bit wide, bidirectional port. The
corresponding
(Register 12-25). Setting a TRISG bit (= 1) will make the
corresponding PORTG pin an input (i.e., put the
corresponding output driver in a High-Impedance mode).
Clearing a TRISG bit (= 0) will make the corresponding
PORTG pin an output (i.e., enable the output driver and
put the contents of the output latch on the selected pin).
Example 12-4 shows how to initialize PORTG.
Reading the PORTG register (Register 12-24) reads the
status of the pins, whereas writing to it will write to the
PORT latch. All write operations are read-modify-write
operations. Therefore, a write to a port implies that the
port pins are read, this value is modified and then written
to the PORT data latch (LATG).
The TRISG register (Register 12-25) controls the
PORTG pin output drivers, even when they are being
used as analog inputs. The user should ensure the bits
in the TRISG register are maintained set when using
them as analog inputs. I/O pins configured as analog
input always read ‘0’.
12.8.1
The ANSELG register (Register 12-27) is used to
configure the Input mode of an I/O pin to analog.
Setting the appropriate ANSELG bit high will cause all
digital reads on the pin to be read as ‘0’ and allow
analog functions on the pin to operate correctly.
The state of the ANSELG bits has no affect on digital
output functions. A pin with TRIS clear and ANSEL set
will still operate as a digital output, but the Input mode
will be analog. This can cause unexpected behavior
when executing read-modify-write instructions on the
affected port.
EXAMPLE 12-7:
DS41414A-page 142
BANKSEL
CLRF
BANKSEL
CLRF
BANKSEL
CLRF
BANKSEL
MOVLW
MOVWF
Note:
PORTG Registers
PORTG
PORTG
LATG
LATG
ANSELG
ANSELG
TRISG
B'11110000' ;Set RG<7:4> as inputs
TRISG
ANSELG REGISTER
The ANSELG register must be initialized
to configure an analog channel as a digital
input. Pins configured as analog inputs will
read ‘0’.
data
INITIALIZING PORTG
direction
;
;Init PORTG
;Data Latch
;
;
;digital I/O
;
;and set RG<3:0> as
;outputs
register
is
TRISG
Preliminary
12.8.2
Each PORTG pin is multiplexed with other functions. The
pins, their combined functions and their output priorities
are briefly described here. For additional information,
refer to the appropriate section in this data sheet.
When multiple outputs are enabled, the actual pin
control goes to the peripheral with the lowest number in
the following lists.
Analog input and some digital input functions are not
included in the list below. These input functions can
remain active when the pin is configured as an output.
Certain digital input functions override other port
functions and are included in the priority list.
RG0
1.
2.
3.
RG1
1.
2.
3.
4.
5.
6.
RG2
1.
2.
3.
4.
5.
RG3
1.
2.
3.
4.
5.
6.
RG4
1.
2.
3.
4.
5.
6.
RG5
1.
CCP3 (CCP)
P3A (CCP)
SEG42 (LCD)
AN15 (ADC)
CPS15 (CSM)
TX2 (EUSART)
CK2 (EUSART)
C3OUT (Comparator)
SEG43 (LCD)
AN14 (ADC)
CPS14 (CSM)
DT2/RX2 (EUSART)
C3IN+ (Comparator)
SEG44 (LCD)
AN13 (ADC)
CPS13 (CSM)
C3IN0- (Comparator)
CCP4 (CCP)
P3D (CCP)
SEG45 (LCD)
AN12 (ADC)
CPS12 (CSM)
C3IN1- (Comparator)
CCP5 (CCP)
P1D (CCP)
SEG26 (LCD)
V
PP
/MCLR (Basic)SEG18 (LCD)
PORTG FUNCTIONS AND OUTPUT
PRIORITIES
2010 Microchip Technology Inc.
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