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PIC18F67K22T-I/PTRSL 用户编程手册 - Microchip

更新时间: 2024-04-08 18:36:25 (UTC+8)

PIC18F67K22T-I/PTRSL 用户编程手册

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2010 Microchip Technology Inc. DS39947B-page 1
PIC18F6XKXX/8XKXX FAMILY
1.0 DEVICE OVERVIEW
This document includes the programming specifications
for the following devices:
2.0 PROGRAMMING OVERVIEW
The PIC18F6XKXX/8XKXX family of devices can be
programmed using the In-Circuit Serial Programming™
(ICSP™) method. This programming specification
applies to the PIC18F6XKXX/8XKXX family of devices
in all package types.
2.1 Hardware Requirements
When programming with the ICSP, the PIC18F6XKXX/
8XKXX family requires two programmable power sup-
plies: one for VDD and one for MCLR/VPP/RG5. 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 PIC18F6XKXX/8XKXX
family can be programmed using a V
DD source in the
operating range. The MCLR
/VPP/RG5 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 PIC18F6XKXX/8XKXX family
are shown in Figure 2-1 and Figure 2-2.
TABLE 2-1: PIN DESCRIPTIONS (DURING PROGRAMMING): PIC18F6XKXX/8XKXX FAMILY
PIC18F65K22 PIC18F85K22
PIC18F65K90 PIC18F85K90
PIC18F66K22 PIC18F86K22
PIC18F66K90 PIC18F86K90
PIC18F67K22 PIC18F87K22
PIC18F67K90 PIC18F87K90
Pin Name
During Programming
Pin Name Pin Type Pin Description
MCLR
/VPP/RG5 VPP P Programming Enable
V
DD
(1)
VDD P Power Supply
V
SS
(1)
VSS P Ground
AVDD AVDD P Analog Power Supply
AV
SS AVSS P Analog Ground
RB6 PGC I Serial Clock
RB7 PGD I/O Serial Data
ENVREG ENVREG P Internal Voltage Regulator Enable
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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