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ST72561AR7-Auto Datasheet(PDF) 33 Page - STMicroelectronics

No. de pieza ST72561AR7-Auto
Descripción Electrónicos  Clock, reset and supply management
PDF  324 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72561AR7-Auto Datasheet(HTML) 33 Page - STMicroelectronics

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ST72561-Auto
Flash program memory
Doc ID 12370 Rev 8
33/324
3.3.1
Read-out protection
Read-out protection, when selected, provides a protection against Program Memory content
extraction and against write access to Flash memory. Even if no protection can be
considered as totally unbreakable, the feature provides a very high level of protection for a
general purpose microcontroller.
In Flash devices, this protection is removed by reprogramming the option. In this case, the
entire program memory is first automatically erased and the device can be reprogrammed.
Read-out protection selection depends on the device type:
●
In Flash devices it is enabled and removed through the FMP_R bit in the option byte.
●
In ROM devices it is enabled by mask option specified in the Option List.
Figure 6.
Memory map and sector address
3.4
ICC interface
ICC (In-Circuit Communication) needs a minimum of four and up to six pins to be connected
to the programming tool (see Figure 7). These pins are:
●
RESET: device reset
●
VSS: device power supply ground
●
ICCCLK: ICC output serial clock pin
●
ICCDATA: ICC input/output serial data pin
●
ICCSEL/VPP: programming voltage
●
OSC1(or OSCIN): main clock input for external source (optional)
●
VDD: application board power supply (see Figure 7, Note 3)
4 Kbytes
4 Kbytes
2Kbytes
SECTOR 1
SECTOR 0
16 Kbytes
SECTOR 2
8K
16K
32K
60K
FLASH
FFFFh
EFFFh
DFFFh
3FFFh
7FFFh
1000h
24 Kbytes
MEMORY SIZE
8Kbytes
40 Kbytes 52 Kbytes
9FFFh
BFFFh
D7FFh
4K
10K
24K
48K



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