参数资料
型号: PIC10F204-I/P
厂商: Microchip Technology
文件页数: 75/94页
文件大小: 0K
描述: IC PIC MCU FLASH 256X12 8DIP
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 60
系列: PIC® 10F
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 3
程序存储器容量: 384B(256 x 12)
程序存储器类型: 闪存
RAM 容量: 16 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 637 (CN2011-ZH PDF)
配用: AC103003-ND - BOARD DEMO PIC10F CAP TOUCH
AC162059-ND - HEADER INTRFC MPLAB ICD2 8/14PIN
78
AT89/83EB5114
4311C–8051–02/08
The following procedure is used to read the Hardware Security space and is
summarized in Figure 37:
Map the Hardware Security space by writing 04h in FCON register.
Read the byte in Accumulator by executing MOVC A,@A+DPTR with A= 0 &
DPTR= 0000h.
Clear FCON to unmap the Hardware Security Byte.
Figure 37. Reading Procedure
Flash Protection from Parallel
Programming
The three lock bits in Hardware Security Byte are programmed according to Table 58,
will provide different level of protection for the on-chip code and data located in flash
memory.
The only way for write this bits are the parallel mode.
Table 58. Program Lock Bit
WARNING: Security level 2 and 3 should only be programmed after Flash and Core
verification.
Flash Spaces Reading
Flash Spaces Mapping
FCON= 00000xx0b
Data Read
DPTR= Address
ACC= 0
Exec: MOVC A, @A+DPTR
Erase Mode
FCON = 00h
Program Lock Bits
Protection Description
Security
level
LB1
LB0
1
U
No program lock feature enabled.
2
U
P
Writing Flash data from programmer is disabled but still allowed from
internal code execution.
3
P
U
Writing and reading Flash data from programmer is disabled but still
allowed from internal code execution.
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