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PIC18F4553-I/PT 用户编程技术手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
TQFP-44
描述:
MICROCHIP PIC18F4553-I/PT 微控制器, 8位, 闪存, PIC18F4xxx, 48 MHz, 32 KB, 2 KB, 44 引脚, TQFP
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PIC18F4553-I/PT数据手册
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2010 Microchip Technology Inc. DS39622L-page 1
PIC18F2XXX/4XXX FAMILY
1.0 DEVICE OVERVIEW
This document includes the programming specifications
for the following devices:
2.0 PROGRAMMING OVERVIEW
PIC18F2XXX/4XXX family devices can be
programmed using either the high-voltage In-Circuit
Serial Programming™ (ICSP™) method or the
low-voltage ICSP method. Both methods can be done
with the device in the user’s system. The low-voltage
ICSP method is slightly different than the high-voltage
method and these differences are noted where
applicable.
This programming specification applies to the
PIC18F2XXX/4XXX family devices in all package
types.
2.1 Hardware Requirements
In High-Voltage ICSP mode, PIC18F2XXX/4XXX
family devices require two programmable power sup-
plies: one for VDD 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, PIC18F2XXX/4XXX
family devices can be programmed using a V
DD
source in the operating range. The MCLR/VPP/RE3
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 PIC18F2XXX/4XXX family
are shown in Figure 2-1 and Figure 2-2.
TABLE 2-1: PIN DESCRIPTIONS (DURING PROGRAMMING): PIC18F2XXX/4XXX FAMILY
• PIC18F2221 • PIC18F2580 • PIC18F4480
• PIC18F2321 • PIC18F2585 • PIC18F4510
• PIC18F2410 • PIC18F2610 • PIC18F4515
• PIC18F2420 • PIC18F2620 • PIC18F4520
• PIC18F2423 • PIC18F2680 • PIC18F4523
• PIC18F2450 • PIC18F2682 • PIC18F4525
• PIC18F2455 • PIC18F2685 • PIC18F4550
• PIC18F2458 • PIC18F4221 • PIC18F4553
• PIC18F2480 • PIC18F4321 • PIC18F4580
• PIC18F2510 • PIC18F4410 • PIC18F4585
• PIC18F2515 • PIC18F4420 • PIC18F4610
• PIC18F2520 • PIC18F4423 • PIC18F4620
• PIC18F2523 • PIC18F4450 • PIC18F4680
• PIC18F2525 • PIC18F4455 • PIC18F4682
• PIC18F2550 • PIC18F4458 • PIC18F4685
•PIC18F2553
Pin Name
During Programming
Pin Name Pin Type Pin Description
MCLR
/VPP/RE3 VPP P Programming Enable
V
DD
(2)
VDD P Power Supply
V
SS
(2)
VSS P Ground
RB5 PGM I Low-Voltage ICSP™ Input when LVP
Configuration bit equals ‘1’
(1)
RB6 PGC I Serial Clock
RB7 PGD I/O Serial Data
Legend: I = Input, O = Output, P = Power
Note 1: See Figure 5-1 for more information.
2: All power supply (V
DD) and ground (VSS) pins must be connected.
Flash Microcontroller Programming Specification
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