Datasheet 搜索 > 微控制器 > Microchip（微芯） > PIC18F13K50-I/MQ 数据手册 > PIC18F13K50-I/MQ 用户编程技术手册 6/40 页
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PIC18F13K50-I/MQ 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:
QFN-20
描述:
PIC18F1xK50 8-Bit Microcontrollers### PIC18 微控制器
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PIC18F13K50-I/MQ数据手册
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PIC18F1XK50/PIC18LF1XK50
DS41342E-page 6 Advance Information 2010 Microchip Technology Inc.
3.0 MEMORY MAPS
For the PIC18F14K50/PIC18LF14K50 device, the
program Flash space extends from 0000h to 03FFFh
(16 Kbytes) in two 8-Kbyte blocks. For the
PIC18F13K50/PIC18LF13K50 device, the program
Flash space extends from 0000h to 01FFFh (8 Kbytes)
in two 4-Kbyte blocks.
For the PIC18F14K50/PIC18LF14K50 addresses
0000h through 0FFFh, however, define a “Boot Block”
region that is treated separately from Block 0. For the
PIC18F13K50/PIC18LF13K50 addresses 0000h
through 07FFh, define the “Boot Block” region. All of
these blocks define code protection boundaries within
the program Flash space. The size of the Boot Block in
the PIC18F14K50/PIC18LF14K50 devices can be
configured as 2K, or 4 Kbyte (see Figure 3-1). The size
of the Boot Block in the PIC18F13K50/PIC18LF13K50
devices can be configured as 1K, or 2 Kbytes, as
illustrated in Figure 3-1. This is done through the
BBSIZ bit in the Configuration register, CONFIG4L. It is
important to note that increasing the size of the Boot
Block decreases the size of the Block 0.
TABLE 3-1: IMPLEMENTATION OF
PROGRAM FLASH
FIGURE 3-1: MEMORY MAP AND THE PROGRAM FLASH SPACE FOR PIC18F14K50/
PIC18LF14K50 DEVICES
Device Program Flash Size (Words)
PIC18F13K50/
PIC18LF13K50
000000h-000FFFh (4K)
PIC18F14K50/
PIC18LF14K50
000000h-001FFFh (8K)
000000h
100000h
1FFFFFh
00FFFFh
Note 1: Boot Block size is determined by the BBSIZ bit in the CONFIG4L register.
Program Flash
Unimplemented
Read as ‘0’
Configuration
and ID
Space
MEMORY SIZE/DEVICE
Address
Range
8 KW
(PIC18F14K50)
BBSIZ = 1 BBSIZ = 0
Boot Block*
Boot Block
(1)
000000h
0003FFh
Block 0
000400h
0007FFh
Block 0
000800h
000FFFh
Block 1 Block 1
001000h
001FFFh
Unimplemented
Read ‘0’s
Unimplemented
Read ‘0’s
002000h
00FFFFh
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