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数据手册 > 微控制器,MCU,单片机 > Microchip > PIC12F509T-I/SN 数据手册PDF > PIC12F509T-I/SN 用户编程手册 第 1/20 页
PIC12F509T-I/SN
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PIC12F509T-I/SN 用户编程手册 - Microchip

  • 制造商:
    Microchip
  • 分类:
    微控制器,MCU,单片机
  • 封装
    SOIC-8
  • 描述:
    MCU 8Bit PIC12 PIC RISC 1.5KB EPROM 2.5V/3.3V/5V Automotive 8Pin SOIC N T/R
  • 页面指南:
更新时间: 2024-06-05 07:43:33 (UTC+8)

PIC12F509T-I/SN 用户编程手册

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© 2007 Microchip Technology Inc. Preliminary DS41227E-page 1
PIC12F508/509
This document includes the
programming specifications for the
following devices:
•PIC12F508
•PIC12F509
1.0 PROGRAMMING THE
PIC12F508/509
The PIC12F508/509 is programmed using a serial
method. The Serial mode will allow the PIC12F508/509
to be programmed while in the user’s system. This
allows for increased design flexibility. This
programming specification applies to PIC12F508/509
devices in all packages.
1.1 Hardware Requirements
The PIC12F508/509 requires one power supply for
V
DD (5.0V) and one for VPP (12V).
1.2 Program/Verify Mode
The Program/Verify mode for the PIC12F508/509
allows programming of user program memory, user ID
locations, backup OSCCAL location and the Configura-
tion Word.
Pin Diagrams
TABLE 1-1: PIN DESCRIPTIONS (DURING PROGRAMMING): PIC12F508/509
PDIP, SOIC, MSOP
VDD
GP5/OSC1/CLKIN
GP4/OSC2
GP3/MCLR
/VPP
1
2
3
4
VSS
GP0/ICSPDAT
8
7
6
5
PIC12F508/509
GP1/ICSPCLK
GP2/T0CKI
Pin Name
During Programming
Function Pin Type Pin Description
GP1 ICSPCLK I Clock input – Schmitt Trigger input
GP0 ICSPDAT I/O Data input/output – Schmitt Trigger input
MCLR
/VPP Program/Verify mode P
(1)
Programming Power
V
DD VDD P Power Supply
VSS VSS P Ground
Legend: I = Input, O = Output, P = Power
Note 1: In the PIC12F508/509, the programming high voltage is internally generated. To activate the Program/
Verify mode, high voltage of I
IHH current capability (see Table 6-1) needs to be applied to the MCLR input.
Memory Programming Specification
页面指南
页面指南

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