ST10F276 datasheet(113/229 Pages) STMICROELECTRONICS

tên linh kiện	ST10F276

Giải thích chi tiết về linh kiện	16-bit MCU with MAC unit, 832 Kbyte Flash memory and 68 Kbyte RAM

PDF	229 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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ST10F276

System reset

113/229

Figure 28.

Synchronous short / long hardware RESET (EA = 1)

P0[15:13]

not transparent

RSTF

P0[12:2]

transparent

not t.

P0[1:0]

not t.

not transparent

FLARST

RST

≤ 1 ms

1024 TCL

≤ 2 TCL

2) V

RPD > 2.5V Asynchronous Reset not entered

200

µA Discharge

RPD

RSTOUT

At this time RSTF is sampled HIGH or LOW

so it is SHORT or LONG reset

(After Filter)

RSTIN

< 1032 TCL

≤4 TCL4)

≤12 TCL

≤ 500 ns

≥ 50 ns

≤ 500 ns

≥ 50 ns

≤ 500 ns

≥ 50 ns

IBUS-CS

7 TCL

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),

the asynchronous reset is then immediately entered.

3. RSTIN pin is pulled low if bit BDRSTEN (bit 3 of SYSCON register) was previously set by software.

Bit BDRSTEN is cleared after reset.

4. Minimum RSTIN low pulse duration shall also be longer than 500ns to guarantee the pulse is not masked by the

internal filter (refer to Section 21.1).

Notes:

(Internal)

8 TCL

not t.

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