ST10F272B_12 STMICROELECTRONICS [STMicroelectronics], ST10F272B_12 Datasheet - Page 108

• Manufacturer Part Number: ST10F272B_12
• Description: 16-bit MCU with 256 Kbyte Flash memory and 12/20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

System reset
Table 50.
1. It can degenerate into a Long Hardware Reset and consequently differently flagged (see
2. When Bidirectional is active (and with RPD=0), it can be followed by a Short Hardware Reset and consequently differently
Table 51.
108/188
X: Pin is sampled
-: Pin is not sampled
Software Reset
Watchdog Reset
Synchronous Short Hardware Reset
Synchronous Long Hardware Reset
Asynchronous Hardware Reset
Asynchronous Power-On Reset
Watchdog Reset
Software Reset
flagged (see
Event
Reset event (continued)
The start-up configurations and some system features are selected on reset sequences as
described in
Table 51
reset modes.
BUSCON0 registers.
PORT0 latched configuration for the different reset events
Section 20.6
Sample event
(2)
(2)
0
1
0
1
x
x
x
x
describes what is the system configuration latched on PORT0 in the six different
for details).
0
0
1
1
0
0
1
1
Table 51
Figure 34
N Synch.
N Synch.
N Synch.
N Synch.
Y Synch.
Y Synch.
Y Synch.
Y Synch.
and
summarizes the state of bits of PORT0 latched in RP0H, SYSCON,
Figure
Doc ID 11917 Rev 3
X
X
X
-
-
-
Activated by internal logic for 1024 TCL
Activated by internal logic for 1024 TCL
34.
X
X
X
-
-
-
min
X
X
X
-
-
-
X
X
X
X
X
X
Not activated
Not activated
Not activated
Not activated
Not activated
Not activated
X
X
X
X
X
X
RSTIN
X
X
X
X
X
X
X
X
X
X
X
X
PORT0
X
X
X
X
X
X
max
Section 20.3
X
X
X
X
X
X
X
X
X
X
X
X
ST10F272B/ST10F272E
X
X
X
X
-
-
for details).
X
X
X
X
0
0
0
0
0
0
0
0
-
-
WDTCON Flags
0
0
0
0
0
0
0
0
X
X
X
X
-
-
X
X
X
X
0
0
0
0
0
0
0
0
-
-
X
X
X
X
1
1
1
1
1
1
1
1
-
-
X
X
X
X
0
0
0
0
1
1
1
1
-
-