Datasheet 搜索 > 微控制器 > Microchip（微芯） > PIC24F32KA302-I/SP 数据手册 > PIC24F32KA302-I/SP 用户编程技术手册 2/54 页
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PIC24F32KA302-I/SP 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:
DIP-28
描述:
PIC24FxxKA301/302/304 16 位闪存微控制器### PIC24 微控制器
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PIC24F32KA302-I/SP数据手册
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PIC24FXXKA1XX/FVXXKA3XX
DS39919B-page 2 Advance Information 2011 Microchip Technology Inc.
TABLE 2-1: PIN DESCRIPTIONS (DURING PROGRAMMING)
2.1.1 ON-CHIP VOLTAGE REGULATOR
CONNECTIONS
For PIC24FVXXKA3XX devices, an on-chip regulator
provides power to the core from the other V
DD pins. A low
ESR capacitor (such as high-quality ceramic or tantalum)
must be connected to the VDDCORE pin (Figure 2-2). This
helps to maintain the stability of the regulator. The speci-
fications for core voltage and capacitance are listed in
Section 7.0 “AC/DC Characteristics and Timing
Requirements”.
PIC24FXXKA1XX and PIC24FXXKA3XX devices do not
use an on-chip regulator.
FIGURE 2-2: CONNECTIONS FOR THE
ON-CHIP REGULATOR
Pin Name
During Programming
Pin Name Pin Type Pin Description
MCLR/VPP MCLR/VPP P Programming Enable
V
DD VDD P Power Supply
VSS VSS PGround
VCAP VCAP P Stabilizing Capacitor for Voltage Regulator
(1)
PGECx PGC I Programming Pin Pair: Serial Clock
PGEDx PGD I/O Programming Pin Pair: Serial Data
Legend: I = Input, O = Output, P = Power
Note 1: PIC24FVXXKA3XX devices only.
VDD
VCAP
VSS
PIC24FVXXKA3XX
CEFC
5.0V
(10 F typ)
Note 1: These are typical operating voltages. Refer
to
Section 7.0 “AC/DC Characteristics and
Timing Requirements”
for the full operating
ranges of V
DD and VDDCORE.
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