参数资料
型号: PIC16LF1947T-I/MR
厂商: Microchip Technology
文件页数: 1/46页
文件大小: 0K
描述: MCU 8BIT 28KB FLASH 64QFN
标准包装: 3,300
系列: PIC® XLP™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 32MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,LCD,POR,PWM,WDT
输入/输出数: 54
程序存储器容量: 28KB(16K x 14)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.6 V
数据转换器: A/D 17x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 带卷 (TR)
配用: MA160016-ND - MODULE PLUG-IN PIC16F1947
MA160015-ND - MODULE PLUG-IN PIC16LF1947
DM240313-ND - BOARD DEMO 8BIT XLP
2010 Microchip Technology Inc.
DS41397B-page 1
PIC16F193X/LF193X/
PIC16F194X/LF194X/
PIC16LF190X
This document includes the
programming specifications for the
following devices:
1.0
OVERVIEW
The device can be programmed using either the high-
voltage In-Circuit Serial Programming (ICSP)
method or the low-voltage ICSP method.
1.1
Hardware Requirements
1.1.1
HIGH-VOLTAGE ICSP
PROGRAMMING
In High-Voltage ICSP mode, the device requires two
programmable power supplies: one for VDD and one for
the MCLR/VPP pin.
1.1.2
LOW-VOLTAGE ICSP
PROGRAMMING
In Low-Voltage ICSP mode, the PIC16F193X/194X
and
PIC16LF193X/194X/190X
devices
can
be
programmed using a single VDD source in the
operating range. The MCLR/VPP pin does not have to
be brought to a different voltage, but can instead be left
at the normal operating voltage.
1.1.2.1
Single-Supply ICSP Programming
The LVP bit in Configuration Word 2 enables single-
supply (low-voltage) ICSP programming. The LVP bit
defaults to a ‘1’ (enabled) from the factory. The LVP bit
may only be programmed to ‘0’ by entering the High-
Voltage ICSP mode, where MCLR/VPP pin is raised to
VIHH. Once the LVP bit is programmed to a ‘0’, only the
High-Voltage ICSP mode is available and only the
High-Voltage ICSP mode can be used to program the
device.
1.2
Pin Utilization
Five pins are needed for ICSP programming. The pins
are listed in Table 1-1 and Table 1-2.
TABLE 1-1:
PIN DESCRIPTIONS DURING PROGRAMMING FOR PIC16F193X/LF193X/LF190X
PIC16F1933
PIC16F1934
PIC16F1936
PIC16F1937
PIC16F1938
PIC16F1939
PIC16F1946
PIC16F1947
PIC16LF1902
PIC16LF1903 PIC16LF1904 PIC16LF1906
PIC16LF1907 PIC16LF1933 PIC16LF1934
PIC16LF1936 PIC16LF1937 PIC16LF1938
PIC16LF1939 PIC16LF1946 PIC16LF1947
Note 1: The High-Voltage ICSP mode is always
available, regardless of the state of the
LVP bit, by applying VIHH to the MCLR/
VPP pin.
2: While in Low-Voltage ICSP mode, MCLR
is always enabled, regardless of the
MCLRE bit, and the port pin can no lon-
ger be used as a general purpose input.
Pin Name
During Programming
Function
Pin Type
Pin Description
RB6
ICSPCLK
I
Clock Input – Schmitt Trigger Input
RB7
ICSPDAT
I/O
Data Input/Output – Schmitt Trigger Input
RE3/MCLR/VPP
Program/Verify mode
P(1)
Program Mode Select/Programming Power Supply
VDD
P
Power Supply
VSS
P
Ground
Legend: I = Input, O = Output, P = Power
Note 1:
The programming high voltage is internally generated. To activate the Program/Verify mode, high voltage
needs to be applied to MCLR input. Since the MCLR is used for a level source, MCLR does not draw any
significant current.
PIC16F193X/LF193X/PIC16F194X/LF194X/PIC16LF190X
Memory Programming Specification
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