PIC16F707-I/MV Microchip Technology, PIC16F707-I/MV Datasheet - Page 62
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PIC16F707-I/MV
Manufacturer Part Number
PIC16F707-I/MV
Description
14KB Flash Program, MTouch, 32ch CSM, 1.8V-5.5V, 16MHz Internal Oscillator, 8b A
Manufacturer
Microchip Technology
Series
PIC® XLP™ mTouch™ 16Fr
Datasheet
1.PIC16F707-IPT.pdf
(284 pages)
Specifications of PIC16F707-I/MV
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Ram Size
363 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 14x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-UFQFN Exposed Pad
Processor Series
PIC16F
Core
PIC
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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PIC16F707/PIC16LF707
6.5
PORTD is a 8-bit wide, bidirectional port. The
corresponding
(Register 6-14). Setting a TRISD bit (= 1) will make the
corresponding PORTD pin an input (i.e., put the
corresponding output driver in a High-Impedance mode).
Clearing a TRISD bit (= 0) will make the corresponding
PORTD pin an output (i.e., enable the output driver and
put the contents of the output latch on the selected pin).
Example 6-4 shows how to initialize PORTD.
Reading the PORTD register (Register 6-13) 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.
The TRISD register (Register 6-14) controls the
PORTD pin output drivers, even when they are being
used as analog inputs. The user should ensure the bits
in the TRISD register are maintained set when using
them as analog inputs. I/O pins configured as analog
input always read ‘0’.
REGISTER 6-13:
DS41418A-page 62
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
R/W-x
RD7
PORTD and TRISD Registers
data
RD<7:0>: PORTD General Purpose I/O Pin bits
1 = Port pin is > V
0 = Port pin is < V
R/W-x
RD6
PORTD: PORTD REGISTER
direction
W = Writable bit
‘1’ = Bit is set
register
R/W-x
IH
IL
RD5
is
TRISD
R/W-x
RD4
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-x
EXAMPLE 6-4:
6.5.1
The ANSELD register (Register 6-15) is used to
configure the Input mode of an I/O pin to analog.
Setting the appropriate ANSELD 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 ANSELD 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.
RD3
BANKSEL PORTD
CLRF
BANKSEL ANSELD
CLRF
BANKSEL TRISD
MOVLW
MOVWF
Note:
PORTD
ANSELD
B‘00001100’
TRISD
ANSELD REGISTER
The ANSELD register must be initialized
to configure an analog channel as a digital
input. Pins configured as analog inputs will
read ‘0’.
R/W-x
RD2
INITIALIZING PORTD
2010 Microchip Technology Inc.
;
;Init PORTD
;Make PORTD digital
;
;Set RD<3:2> as inputs
;and set RD<7:4,1:0>
;as outputs
x = Bit is unknown
R/W-x
RD1
R/W-x
RD0
bit 0
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