ST72C334N2B6 STMicroelectronics, ST72C334N2B6 Datasheet - Page 28
ST72C334N2B6
Manufacturer Part Number
ST72C334N2B6
Description
Microcontrollers (MCU) Flash 8K SPI/SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72C334N2T6.pdf
(126 pages)
Specifications of ST72C334N2B6
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
8 KB
Data Ram Size
384 B
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
44
Number Of Timers
16 bit
Operating Supply Voltage
3.2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Package / Case
SDIP-56
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit
Lead Free Status / Rohs Status
No
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
ST72C334N2B6
Manufacturer:
ST
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ST72334J/N, ST72314J/N, ST72124J
RESET SEQUENCE MANAGER (Cont’d)
Internal Low Voltage Detection RESET
Two different RESET sequences caused by the in-
ternal LVD circuitry can be distinguished:
Figure 17. LVD RESET Sequences
28/125
Power-On RESET
V
V
V
V
V
DDnominal
LVDr
DDnominal
LVDr
LVDf
V
V
DD
DD
RUN
DELAY
DELAY
RESET
RESET
The device RESET pin acts as an output that is
pulled low when V
V
DD
Voltage Drop RESET
<V
LVDf
4096 CLOCK CYCLES
4096 CLOCK CYCLES
INTERNAL RESET
INTERNAL RESET
(falling edge) as shown in Figure 9.
DD
VECTOR
VECTOR
FETCH
FETCH
<V
LVDr
EXTERNAL RESET SOURCE
EXTERNAL RESET SOURCE
(rising edge) or
WATCHDOG RESET
WATCHDOG RESET
RUN
RUN
RESET PIN
RESET PIN
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