PIC16LF1906-E/SS Microchip Technology, PIC16LF1906-E/SS Datasheet - Page 101
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16LF1906-E/SS
Manufacturer Part Number
PIC16LF1906-E/SS
Description
14KB Flash, 512B RAM, LCD, 11x10b ADC, EUSART, NanoWatt XLP 28 SSOP .209in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1904-EMV.pdf
(288 pages)
Specifications of PIC16LF1906-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
LIN, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP (0.209", 5.30mm Width)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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11.0
In general, when a peripheral is enabled on a port pin,
that pin cannot be used as a general purpose output.
However, the pin can still be read.
Each port has three standard registers for its operation.
These registers are:
• TRISx registers (data direction)
• PORTx registers (reads the levels on the pins of
• LATx registers (output latch)
Some ports may have one or more of the following
additional registers. These registers are:
• ANSELx (analog select)
• WPUx (weak pull-up)
TABLE 11-1:
The
read-modify-write operations on the value that the I/O
pins are driving.
A write operation to the LATA register has the same
affect as a write to the corresponding PORTA register.
A read of the LATA register reads of the values held in
the I/O port latches, while a read of the PORTA register
reads the actual I/O pin value.
Ports that support analog inputs have an associated
ANSELx register. When an ANSEL bit is set, the digital
input buffer associated with that bit is disabled.
Disabling the input buffer prevents analog signal levels
on the pin between a logic high and low from causing
excessive current in the logic input circuitry. A
simplified model of a generic I/O port, without the
interfaces to other peripherals, is shown in
2011 Microchip Technology Inc.
Device
PIC16LF1906
PIC16LF1904/7
the device)
data latch
I/O PORTS
PORT AVAILABILITY PER
DEVICE
(LATA
●
●
register)
●
●
●
●
is useful for
Figure
●
11-1.
●
●
Preliminary
FIGURE 11-1:
EXAMPLE 11-1:
; This code example illustrates
; initializing the PORTA register. The
; other ports are initialized in the same
; manner.
BANKSEL PORTA
CLRF
BANKSEL LATA
CLRF
BANKSEL ANSELA
CLRF
BANKSEL TRISA
MOVLW
MOVWF
To peripherals
Write PORTx
Write LATx
Data Bus
Read PORTx
PIC16LF1904/6/7
PORTA
LATA
ANSELA
B'00111000' ;Set RA<5:3> as inputs
TRISA
Data Register
D
CK
Read LATx
ANSELx
GENERIC I/O PORT
OPERATION
INITIALIZING PORTA
Q
;
;Init PORTA
;Data Latch
;
;
;digital I/O
;
;and set RA<2:0> as
;outputs
TRISx
DS41569A-page 101
V
V
DD
SS
I/O pin
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