参数资料
型号: PIC16F1526T-I/MR
厂商: Microchip Technology
文件页数: 82/94页
文件大小: 0K
描述: MCU 14KB FLASH 768B RAM 64-QFN
标准包装: 3,300
系列: PIC® XLP™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 54
程序存储器容量: 14KB(8K x 14)
程序存储器类型: 闪存
RAM 容量: 768 x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 5.5 V
数据转换器: A/D 30x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 带卷 (TR)
2011 Microchip Technology Inc.
Preliminary
DS41458B-page 49
PIC16(L)F1526/27
4.2
Code Protection
Code protection allows the device to be protected from
unauthorized access. Program memory protection is
controlled independently. Internal access to the
program memory is unaffected by any code protection
setting.
4.2.1
PROGRAM MEMORY PROTECTION
The entire program memory space is protected from
external reads and writes by the CP bit in Configuration
Word 1. When CP = 0, external reads and writes of
program memory are inhibited and a read will return all
‘0’s. The CPU can continue to read program memory,
regardless of the protection bit settings. Writing the
program memory is dependent upon the write
protection
setting.
See
for more information.
4.3
Write Protection
Write protection allows the device to be protected from
unintended
self-writes.
Applications,
such
as
bootloader software, can be protected while allowing
other regions of the program memory to be modified.
The WRT<1:0> bits in Configuration Word 2 define the
size of the program memory block that is protected.
4.4
User ID
Four memory locations (8000h-8003h) are designated as
ID locations where the user can store checksum or other
code identification numbers. These locations are
readable and writable during normal execution. See
for more information on accessing these
memory locations. For more information on checksum
calculation, see the “PIC16F/LF151X/152X Memory
Programming Specification
” (DS41422).
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