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ST72344K4 Scheda tecnica(PDF) 2 Page - STMicroelectronics

Il numero della parte ST72344K4
Spiegazioni elettronici  SCI asynchronous serial interface
Download  247 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72344K4 Scheda tecnica(HTML) 2 Page - STMicroelectronics

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Contents
ST72344xx, ST2345xx
2/247
Doc ID 12321 Rev 6
Contents
1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3
Register and memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4
Flash program memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.2
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.3
Programming modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.3.1
In-circuit programming (ICP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.3.2
In-application programming (IAP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.4
ICC interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.5
Memory protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.5.1
Readout protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.5.2
Flash write/erase protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.6
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.6.1
Flash control/status register (FCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5
Data EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3
Memory access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.4
Power saving modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.1
Wait mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.2
Active-halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.3
Halt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.5
Access error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.6
Data EEPROM readout protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.7
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.7.1
EEPROM control/status register (EECSR) . . . . . . . . . . . . . . . . . . . . . . 35
6
Central processing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36


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