ST92250CV2Q-Auto STMicroelectronics, ST92250CV2Q-Auto Datasheet - Page 140
ST92250CV2Q-Auto
Manufacturer Part Number
ST92250CV2Q-Auto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST92150JDV1QAUTO.pdf
(430 pages)
Specifications of ST92250CV2Q-Auto
Internal Memory
Single Voltage FLASH up to 256 Kbytes, RAM up to 8Kbytes, 1K byte E3 TM (Emulated EEPROM)
Minimum Instruction Time
83 ns (24 MHz int. clock)
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ST92124xxx-Auto/150xxxxx-Auto/250xxxx-Auto
7.6 RESET/STOP MANAGER
The Reset/Stop Manager resets the MCU when
one of the three following events occurs:
– A Hardware reset, initiated by a low level on the
– A Software reset, initiated by a HALT instruction
– A Watchdog end of count condition.
The event which caused the last Reset is flagged
in the CLK_FLAG register, by setting either the
Figure 70. Oscillator Start-up Sequence and Reset Timing
140/430
9
Reset pin.
(when enabled with the SRESEN bit of the
CLKCTL register).
V
OSCIN
OSCOUT
INTCLK
RESET
PIN
V
DD
DD
MAX
MIN
T
STUP
SOFTRES or the WDGRES bit or both; a hard-
ware initiated reset will leave both these bits reset.
The hardware reset overrides all other conditions
and forces the ST9 to the reset state. During Re-
set, the internal registers are set to their reset val-
ues (when these reset values are defined, other-
wise the register content will remain unchanged),
and the I/O pins are set to Bidirectional Weak-Pull-
Up or High impedance input. See
Reset is asynchronous: as soon as the reset pin is
driven low, a Reset cycle is initiated.
Section
VR02085A
7.3.
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