PIC16LF1507-E/ML Microchip Technology, PIC16LF1507-E/ML Datasheet - Page 105
![3.5KB Flash, 128B RAM, 18 I/O, CLC, CWG, DDS, 10-bit ADC 20 QFN 4x4mm TUBE](/photos/16/3/160361/qfn20_sml.jpg)
PIC16LF1507-E/ML
Manufacturer Part Number
PIC16LF1507-E/ML
Description
3.5KB Flash, 128B RAM, 18 I/O, CLC, CWG, DDS, 10-bit ADC 20 QFN 4x4mm TUBE
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheet
1.PIC16F1507-EML.pdf
(266 pages)
Specifications of PIC16LF1507-E/ML
Processor Series
PIC16
Core
PIC16F
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
3.5 KB
Data Ram Size
128 B
Interface Type
ICSP
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
18
Number Of Timers
3
Operating Supply Voltage
2.3 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
QFN-20
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 125 C
Supply Current (max)
30 uA
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
-
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
17
Eeprom Size
-
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Lead Free Status / Rohs Status
Details
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PIC16(L)F1507
11.3
PORTB is a 4-bit wide, bidirectional port. The
corresponding
(Register
corresponding PORTB pin an input (i.e., put the
corresponding output driver in a High-Impedance mode).
Clearing a TRISB bit (= 0) will make the corresponding
PORTB pin an output (i.e., enable the output driver and
put the contents of the output latch on the selected pin).
Example 11-1
Reading the PORTB register
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 (LATB).
The TRISB register
pin output drivers, even when they are being used as
analog inputs. The user should ensure the bits in the
TRISB register are maintained set when using them as
analog inputs. I/O pins configured as analog input always
read ‘0’.
11.3.1
The ANSELB register
configure the Input mode of an I/O pin to analog.
Setting the appropriate ANSELB 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 ANSELB bits has no effect on digital out-
put functions. A pin with TRIS clear and ANSELB set will
still operate as a digital output, but the Input mode will be
analog. This can cause unexpected behavior when exe-
cuting read-modify-write instructions on the affected
port.
DS41586A-page 105
Note:
PORTB Registers
11-8). Setting a TRISB bit (= 1) will make the
ANSELB REGISTER
The ANSELB bits default to the Analog
mode after Reset. To use any pins as
digital general purpose or peripheral
inputs, the corresponding ANSEL bits
must be initialized to ‘0’ by user software.
shows how to initialize an I/O port.
data
(Register
direction
(Register
11-8) controls the PORTB
(Register
register
11-10) is used to
11-7) reads the
is
TRISB
Preliminary
11.3.2
Each PORTB pin is multiplexed with other functions. The
pins, their combined functions and their output priorities
are shown in
When multiple outputs are enabled, the actual pin
control goes to the peripheral with the highest priority.
Analog input and some digital input functions are not
included in the output priority list. 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 output priority list.
TABLE 11-5:
Note 1:
Pin Name
2:
RB4
RB5
RB6
RB7
Priority listed from highest to lowest.
Default pin (see APFCON register).
PORTB FUNCTIONS AND OUTPUT
PRIORITIES
Table
PORTB OUTPUT PRIORITY
11-5.
2011 Microchip Technology Inc.
Function Priority
RB4
RB5
RB6
RB7
(1)
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