Datasheet 搜索 > 微控制器 > Microchip（微芯） > PIC16F84A-04I/SO 数据手册 > PIC16F84A-04I/SO 用户编程技术手册 4/16 页
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PIC16F84A-04I/SO 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:
SOIC-18
描述:
MICROCHIP PIC16F84A-04I/SO 微控制器, 8位, 闪存, PIC16F, 4 MHz, 1.75 KB, 68 Byte, 18 引脚, SOIC
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PIC16F84A-04I/SO数据手册
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PIC16F8X
DS30262E-page 4 2002 Microchip Technology Inc.
2.3.1.1 Load Configuration
After receiving this command, the program counter
(PC) will be set to 2000h. By then applying 16 cycles to
the clock pin, the chip will load 14-bits in a “data word,”
as described above, to be programmed into the config-
uration memory. A description of the memory mapping
schemes of the program memory for normal operation
and Configuration mode operation is shown in
Figure 2-1. After the configuration memory is entered,
the only way to get back to the user program memory
is to exit the Program/Verify Test mode by taking MCLR
below VIL.
2.3.1.2 Load Data for Program Memory
After receiving this command, the chip will load in a
14-bit “data word” when 16 cycles are applied, as
described previously. A timing diagram for the load data
command is shown in Figure 5-1.
TABLE 2-1: COMMAND MAPPING FOR PIC16F83/CR83/F84/CR84
Command Mapping (MSb ... LSb) Data
Load Configuration 0000000, data (14), 0
Load Data for Program Memory 0000100, data (14), 0
Read Data from Program Memory 0001000, data (14), 0
Increment Address 000110
Begin Erase Programming Cycle 001000
Load Data for Data Memory 0000110, data (14), 0
Read Data from Data Memory 0001010, data (14), 0
Bulk Erase Program Memory 001001
Bulk Erase Data Memory 001011
TABLE 2-2: COMMAND MAPPING FOR PIC16F84A
Command Mapping (MSb ... LSb) Data
Load Configuration XX00000, data (14), 0
Load Data for Program Memory XX00100, data (14), 0
Read Data from Program Memory XX01000, data (14), 0
Increment Address XX0110
Begin Erase Programming Cycle 001000
Begin Programming Only Cycle 011000
Load Data for Data Memory XX00110, data (14), 0
Read Data from Data Memory XX01010, data (14), 0
Bulk Erase Program Memory XX1001
Bulk Erase Data Memory XX1011
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