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UM0224 датащи(PDF) 14 Page - STMicroelectronics

номер детали UM0224
подробное описание детали  STR75x Demonstration Software
PDF  34 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0224 датащи(HTML) 14 Page - STMicroelectronics

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Running the demonstrations
STR75x demonstration software
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2.3.3
External interrupts
All External interrupts except the Key (EXTIT Line 7) are disabled in "SEL" function
execution.
The Key push button (EXTIT Line 7) is only enabled in voice recorder (To start and to stop
recording) application or if an alarm is occurred (To stop the alarm wave).
2.3.4
SMI Flash memory organization
The SMI Flash is used to store the Promotion speech, the OSIRIS wave, the recorded wave,
the wave test (in board self test) and the alarm wave. Below the SMI memory organization:
Figure 5.
SMI Flash memory organization
Table 3.
STR750 Demo External Interrupts
External Interrupts
Used for
EXTIT Line 0
JoyStick SEL push-button: menu navigation
EXTIT Line 3
JoyStick UP push-button: menu navigation
EXTIT Line 8
JoyStick DOWN push-button: menu navigation
EXTIT Line 12
JoyStick LEFT push-button: menu navigation
EXTIT Line 13
JoyStick RIGHT push-button: menu navigation
EXTIT Line 7
Key push-button:
Alarm stop and voice recorder application
EXTIT Line 15
RTC Alarm: Wake-up from low power modes
0x807FFFFF
0x80400000
0x80000000
0x80700000
0x80100000
TEST WAVE
FOR FUTURE USE
RECORDED WAVE
PROMOTION SPEECH
OSIRIS
0x80600000
ALARM WAVE
0x80620000



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