PIC16LF819T-E/SS Microchip Technology, PIC16LF819T-E/SS Datasheet - Page 214
![IC PIC MCU FLASH 2KX14 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16LF819T-E/SS
Manufacturer Part Number
PIC16LF819T-E/SS
Description
IC PIC MCU FLASH 2KX14 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF819T-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18F2450/4450
Even when the dedicated port is enabled, the ICSP and
ICD functions remain available through the legacy port.
When V
state of the ICRST/ICV
18.9.2
PIC18F4450 devices in 44-pin TQFP packages also
have the ability to change their configuration under
external control for debugging purposes. This allows
the device to behave as if it were a PIC18F2450/4450
28-pin device.
This 28-pin Configuration mode is controlled through a
single pin, NC/ICPORTS. Connecting this pin to V
forces the device to function as a 28-pin device.
Features normally associated with the 40/44-pin
devices are disabled, along with their corresponding
control registers and bits. On the other hand,
connecting the pin to V
in its default configuration.
The configuration option is only available when
background debugging and the dedicated ICD/ICSP
port are both enabled (DEBUG Configuration bit is
clear and ICPRT Configuration bit is set). When
disabled, NC/ICPORTS is a No Connect pin.
18.10 Single-Supply ICSP Programming
The LVP Configuration bit enables Single-Supply
ICSP Programming (formerly known as Low-Voltage
ICSP Programming or LVP). When Single-Supply
Programming is enabled, the microcontroller can be
programmed without requiring high voltage being
applied to the MCLR/V
PGM pin is then dedicated to controlling Program
mode entry and is not available as a general purpose
I/O pin.
While programming using Single-Supply Program-
ming, V
normal execution mode. To enter Programming mode,
V
DS39760D-page 212
DD
Note 1: The ICPRT Configuration bit can only be
is applied to the PGM pin.
DD
IHH
2: The ICPRT Configuration bit must be
is applied to the MCLR/V
28-PIN EMULATION
programmed through the default ICSP
port.
maintained clear for all 28-pin and 40-pin
devices; otherwise, unexpected operation
may occur.
is seen on the MCLR/V
PP
DD
PP
/RE3 pin, but the RB5/KBI1/
pin is ignored.
forces the device to function
PP
PP
/RE3 pin as in
/RE3 pin, the
SS
If Single-Supply ICSP Programming mode will not be
used, the LVP bit can be cleared. RB5/KBI1/PGM then
becomes available as the digital I/O pin, RB5. The LVP
bit may be set or cleared only when using standard
high-voltage programming (V
V
standard high-voltage programming is available and
must be used to program the device.
Memory that is not code-protected can be erased using
either a Block Erase, or erased row by row, then written
at any specified V
erased, a Block Erase is required. If a Block Erase is to
be performed when using Low-Voltage Programming,
the device must be supplied with V
PP
Note 1: High-Voltage Programming is always
/RE3 pin). Once LVP has been disabled, only the
2: While in Low-Voltage ICSP Programming
3: When using Low-Voltage ICSP Program-
4: If the device Master Clear is disabled,
available, regardless of the state of the
LVP bit, by applying V
mode, the RB5 pin can no longer be used
as a general purpose I/O pin and should
be held low during normal operation.
ming (LVP) and the pull-ups on PORTB
are enabled, bit 5 in the TRISB register
must be cleared to disable the pull-up on
RB5 and ensure the proper operation of
the device.
verify that either of the following is done to
ensure proper entry into ICSP mode:
a) Disable Low-Voltage Programming
b) Make certain that RB5/KBI1/PGM
(CONFIG4L<2> = 0); or
is held low during entry into ICSP.
DD
. If code-protected memory is to be
© 2008 Microchip Technology Inc.
IHH
applied to the MCLR/
IHH
DD
to the MCLR pin.
of 4.5V to 5.5V.
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