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PIC18F45K80-I/PT 用户编程手册

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2011 Microchip Technology Inc. DS39972B-page 1
PIC18FXXK80 FAMILY
1.0 DEVICE OVERVIEW
This document includes the programming specifications
for the following devices:
2.0 PROGRAMMING OVERVIEW
The PIC18FXXK80 family of devices can be
programmed using the In-Circuit Serial Programming™
(ICSP™) method. This programming specification
applies to the PIC18FXXK80 family of devices in all
package types.
2.1 Hardware Requirements
When programming with the ICSP, the PIC18FXXK80
family requires two programmable power supplies; one
for V
DD and one for MCLR/VPP/RE3. Both supplies
should have a minimum resolution of 0.25V. Refer to
Section 6.0 “AC/DC Characteristics Timing
Requirements for Program/Verify Test Mode” for
additional hardware parameters.
2.1.1 LOW-VOLTAGE ICSP™
PROGRAMMING
In Low-Voltage ICSP mode, the PIC18FXXK80 family
can be programmed using a V
DD source in the operat-
ing range. The MCLR
/VPP/RE3 pin does not have to be
brought to a different voltage, but can instead, be left at
the normal operating voltage. Refer to Section 6.0
“AC/DC Characteristics Timing Requirements for
Program/Verify Test Mode” for additional hardware
parameters.
2.2 Pin Diagrams
The pin diagrams for the PIC18FXXK80 family are
shown in Figure 2-1 and Figure 2-2.
TABLE 2-1: PIN DESCRIPTIONS (DURING PROGRAMMING): PIC18FXXK80 FAMILY
PIC18F25K80 PIC18F26K80
PIC18LF25K80 PIC18LF26K80
PIC18F45K80 PIC18F46K80
PIC18LF45K80 PIC18LF46K80
PIC18F65K80 PIC18F66K80
PIC18LF65K80 PIC18LF66K80
Pin Name
During Programming
Pin Name Pin Type Pin Description
MCLR
/VPP/RE3 VPP P Programming Enable
VDD
(1)
VDD P Power Supply
VSS
(1)
VSS P Ground
AV
DD AVDD P Analog Power Supply
AVSS AVSS P Analog Ground
RB6 PGC I Serial Clock
RB7 PGD I/O Serial Data
V
DDCORE/
V
CAP
VDDCORE P Regulated Power Supply for Microcontroller Core
V
CAP I Filter Capacitor for On-Chip Voltage Regulator
Legend: I = Input, O = Output, P = Power
Note 1: All power supply (VDD) and ground (VSS) pins must be connected.
Flash Microcontroller Programming Specification
页面指南

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