ST10F273Z4 STMicroelectronics, ST10F273Z4 Datasheet - Page 90

• Manufacturer Part Number: ST10F273Z4
• Description: 16-BIT MICROCONTROLLER WITH MAC UNIT, UP TO 832 KBYTES FLASH MEMORY AND UP TO 68 KBYTES RAM
• Manufacturer: STMicroelectronics

Specifications of ST10F273Z4

• Single Voltage Supply: 5 V ±10%

System reset
90/188
Figure 21. Synchronous long hardware RESET (EA = 1)
1) If during the reset condition (RSTIN low), RPD voltage drops below the threshold voltage (about 2.5V for 5V
2) Minimum RSTIN low pulse duration shall also be longer than 500ns to guarantee the pulse is not masked by
RSTIN
RSTF
(After Filter)
P0[15:13]
P0[12:2]
P0[1:0]
FLARST
RST
RSTOUT
RPD
IBUS-CS
(Internal)
operation), the asynchronous reset is then immediately entered. Even if RPD returns above the threshold,
the reset is defnitively taken as asynchronous.
the internal filter (refer to
≤ 500 ns
≥ 50 ns
≤4 TCL
200µA Discharge
2)
≤12 TCL
not t.
Section
not transparent
≤ 500 ns
≥ 50 ns
21.1).
1024+8 TCL
1024+8 TCL
not transparent
transparent
At this time RSTF is sampled LOW
so it is definitely LONG reset
transparent
≤ 500 ns
≥ 50 ns
3..4 TCL
1)
≤ 1 ms
V
not entered
RPD
> 2.5V Asynchronous reset
≤ 2 TCL
not t.
not t.
not t.
7 TCL
ST10F273Z4