參數(shù)資料
型號(hào)： PIC16LF1527T-I/MR
廠商： Microchip Technology
文件頁(yè)數(shù)： 82/94頁(yè)
文件大?。?/td> 0K
描述： MCU PIC 28KB FLASH 64QFN
標(biāo)準(zhǔn)包裝： 3,300
系列： PIC® XLP™ 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
連通性： I²C，LIN，SPI，UART/USART
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 54
程序存儲(chǔ)器容量： 28KB（16K x 14）
程序存儲(chǔ)器類(lèi)型： 閃存
RAM 容量： 1.5K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 30x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 64-VFQFN 裸露焊盤(pán)
包裝： 帶卷 (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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