PIC16LF1934-I/ML Microchip Technology, PIC16LF1934-I/ML Datasheet - Page 337
![IC PIC MCU FLASH 256KX7 44-QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16LF1934-I/ML
Manufacturer Part Number
PIC16LF1934-I/ML
Description
IC PIC MCU FLASH 256KX7 44-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16LF1933-ISS.pdf
(508 pages)
2.PIC16LF1933-ISS.pdf
(46 pages)
3.PIC16LF1934-IML.pdf
(418 pages)
Specifications of PIC16LF1934-I/ML
Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
44-QFN
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
EUSART/MI2C/SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
36
Number Of Timers
5
Operating Supply Voltage
1.8 V to 3.6 V
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
14-ch x 10-bit
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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25.0
ICSP™ programming allows customers to manufacture
circuit boards with unprogrammed devices. Programming
can be done after the assembly process allowing the
device to be programmed with the most recent firmware
or a custom firmware. Five pins are needed for ICSP™
programming:
• ICSPCLK
• ICSPDAT
• MCLR/V
• V
• V
In Program/Verify mode the Program Memory, User
IDs and the Configuration Words are programmed
through serial communications. The ICSPDAT pin is a
bidirectional I/O used for transferring the serial data
and the ICSPCLK pin is the clock input. For more infor-
mation
“PIC16193X/PIC16LF193X
Specification” (DS41360A)
25.1
The device is placed into high-voltage Program/Verify
mode by holding the ICSPCLK and ICSPDAT pins low
then raising the voltage on MCLR/V
FIGURE 25-1:
© 2008 Microchip Technology Inc.
DD
SS
IN-CIRCUIT SERIAL
PROGRAMMING™ (ICSP™)
High-voltage Programming Mode
PP
on
External
Programming
Signals
ICSP™
TYPICAL CONNECTION FOR ICSP™ PROGRAMMING
Clock
Data
V
V
V
DD
PP
SS
Memory
refer
PP
to V
Programming
IHH
*
To Normal Connections
to
.
Preliminary
the
*
V
DD
25.2
The Low-Voltage Programming mode allows the
PIC16F193X/LF193X devices to be programmed using
V
Configuration Word 2 register is set to ‘1’, the
low-voltage ICSP programming entry is enabled. To
disable the Low-Voltage ICSP mode, the LVP bit must
be programmed to ‘0’.
Entry into the Low-Voltage ICSP Program/Verify modes
requires the following steps:
1.
2.
Once the key sequence is complete, MCLR must be
held at V
maintained.
PIC16F193X/LF193X
DD
Note:
*
MCLR is brought to V
A 32-bit key sequence is presented on
ICSPDAT, while clocking ICSPCLK.
only, without high voltage. When the LVP bit of the
10k
IL
Low-Voltage Programming Mode
for as long as Program/Verify mode is to be
The ICD 2 produces a V
than the maximum V
PIC16F193X/LF193X. When using this
programmer, an external circuit is required
to keep the V
specifications.
*
Isolation devices (as required).
V
MCLR/V
V
ICSPDAT
ICSPCLK
Device to be
Programmed
DD
SS
PP
IL
PP
.
voltage within the device
PP
specification of the
DS41364A-page 335
PP
voltage greater
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