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ST10F271B 데이터시트(PDF) 104 Page - STMicroelectronics

부품명 ST10F271B
상세설명  16-bit MCU with 128 Kbyte Flash memory and 8/12 Kbyte RAM
PDF  180 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F271B 데이터시트(HTML) 104 Page - STMicroelectronics

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System reset
ST10F271B/ST10F271E
104/180
The start-up configurations and some system features are selected on reset sequences as
described in
Table 50 and Figure 35.
Table 50 describes what is the system configuration latched on PORT0 in the six different
reset modes.
Figure 35 summarizes the state of bits of PORT0 latched in RP0H, SYSCON,
BUSCON0 registers.
Software Reset (2)
x
0
N
Synch.
Not activated
0
0010
x
0
N
Synch.
Not activated
0
0010
0
1
Y
Synch.
Not activated
0
0010
1
1
Y
Synch.
Activated by internal logic for 1024 TCL
0
0010
Watchdog Reset (2)
x
0
N
Synch.
Not activated
0
0011
x
0
N
Synch.
Not activated
0
0011
0
1
Y
Synch.
Not activated
0
0011
1
1
Y
Synch.
Activated by internal logic for 1024 TCL
0
0011
1.
It can degenerate into a Long Hardware Reset and consequently differently flagged (see
Section 20.3 for details).
2.
When Bidirectional is active (and with RPD=0), it can be followed by a Short Hardware Reset and consequently differently
flagged (see
Section 20.6 for details).
Table 49.
Reset event (continued)
Event
RSTIN
WDTCON Flags
min
max
Table 50.
PORT0 latched configuration for the different reset events
X: Pin is sampled
-: Pin is not sampled
PORT0
Sample event
Software Reset
-
-
-
XX
XXXX
X
-
-
----
Watchdog Reset
-
-
-
XX
XXXX
X
-
-
----
Synchronous Short Hardware Reset
-
-
-
XX
XXXX
XXXXX
XX
Synchronous Long Hardware Reset
XXXXX
XXXX
XXXXX
XX
Asynchronous Hardware Reset
XXXXX
XXXX
XXXXX
XX
Asynchronous Power-On Reset
XXXXX
XXXX
XXXXX
XX



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