ST92F120V1Q7 STMicroelectronics, ST92F120V1Q7 Datasheet - Page 106
ST92F120V1Q7
Manufacturer Part Number
ST92F120V1Q7
Description
Microcontrollers (MCU) Flash 128K SPI/I2C
Manufacturer
STMicroelectronics
Datasheet
1.ST92F120V9Q7.pdf
(325 pages)
Specifications of ST92F120V1Q7
Data Bus Width
8 bit, 16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
77
Number Of Timers
5
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Package / Case
PQFP-100
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 16 Channel
Lead Free Status / Rohs Status
No
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ST92F120 - RESET AND CLOCK CONTROL UNIT (RCCU)
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 the SOF-
Figure 53. Oscillator Start-up Sequence and Reset Timing
106/324
9
Reset pin.
(when enabled).
V
V
OSCIN
INTCLK
RESET
DD
DD
PIN
MIN
MAX
T
Note: For T
STUP
STUP
value refer to Oscillator Electrical Characteristics
TRES or the WDGRES bits respectively; 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
1.3.
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