ST10F271E STMICROELECTRONICS [STMicroelectronics], ST10F271E Datasheet - Page 89
![no-image](/images/no-image-200.jpg)
ST10F271E
Manufacturer Part Number
ST10F271E
Description
16-bit MCU with 128 Kbyte Flash memory and 8/12 Kbyte RAM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST10F271E.pdf
(180 pages)
- Current page: 89 of 180
- Download datasheet (2Mb)
ST10F271B/ST10F271E
Figure 21. Synchronous short / long hardware RESET (EA = 1)
1. RSTIN assertion can be released there. Refer also to Section 21.1 for details on minimum pulse duration.
2. If during the reset condition (RSTIN low), RPD voltage drops below the threshold voltage (about 2.5V for 5V operation),
3. RSTIN pin is pulled low if bit BDRSTEN (bit 3 of SYSCON register) was previously set by software.
4. Minimum RSTIN low pulse duration shall also be longer than 500ns to guarantee the pulse is not masked by the
Notes:
RSTIN
RSTOUT
RPD
RSTF
(After Filter)
P0[15:13]
P0[12:2]
P0[1:0]
FLARST
RST
IBUS-CS
(Internal)
Bit BDRSTEN is cleared after reset.
internal filter (refer to Section 21.1).
the asynchronous reset is then immediately entered.
≤ 500 ns
≥ 50 ns
≤ 4 TCL
200 µ A Discharge
4)
1)
≤ 12 TCL
not t.
≤ 500 ns
≥ 50 ns
3)
< 1032 TCL
1024 TCL
not transparent
not transparent
transparent
≤ 500 ns
≥ 50 ns
8 TCL
≤ 1 ms
2)
At this time RSTF is sampled HIGH or LOW
so it is SHORT or LONG reset
V
RPD
> 2.5V Asynchronous Reset not entered
≤ 2 TCL
not t.
not t.
7 TCL
System reset
89/180
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