Datasheet 搜索 > 微控制器 > Microchip（微芯） > PIC16F506-E/SL 数据手册 > PIC16F506-E/SL 用户编程技术手册 5/22 页
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PIC16F506-E/SL 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-14
描述:
8月14日引脚， 8位闪存微控制器 8/14-Pin, 8-Bit Flash Microcontroller
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PIC16F506-E/SL数据手册
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若手册格式错乱，请下载阅览PDF原文件
2010 Microchip Technology Inc. DS41258C-page 5
PIC16F506
3.1.2.1 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. Because this is a 12-bit core, the
two MSbs of the data word are ignored. A timing
diagram for the Load Data command is shown in
Figure 3-2.
FIGURE 3-2: LOAD DATA COMMAND (PROGRAM/VERIFY)
3.1.2.2 Read Data From Program Memory
After receiving this command, the chip will transmit
data bits out of the program memory (user or
configuration) currently addressed, starting with the
second rising edge of the clock input. The data pin will
go into Output mode on the second rising clock edge,
and it will revert to Input mode (high-impedance) after
the 16th rising edge. Because this is a 12-bit core, the
two MSbs of the 14-bit word will be read as ‘0’s.
If the program memory is code-protected (CP
= 0),
portions of the program memory will be read as zeros.
See Section 5.0 “Code Protection” for details.
FIGURE 3-3: READ DATA FROM PROGRAM MEMORY COMMAND
TDLY2
15
5432
1
6
5
43
T
HLD1
1
T
SET1
21
ICSPCLK
0
ICSPDAT
00
TDLY1
xx strt_bit
MSb
stp_bit
TSET1
-+T
HLD1
16
LSb
TDLY1
T
SET1
T
HLD1
T
DLY2
12 3 4 56
1
0
1
0
x
x
12 3 4 5 15
16
TDLY3
Input
Output
Input
strt_bit
stp_bit
LSb
MSb
0
ICSPCLK
ICSPDAT
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