ST72C334N2T6 STMicroelectronics, ST72C334N2T6 Datasheet - Page 29

• Manufacturer Part Number: ST72C334N2T6
• Description: Microcontrollers (MCU) Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334N2T6

• 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: 32
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-64
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: In Transition

RESET SEQUENCE MANAGER (Cont’d)
Internal Watchdog RESET
The RESET sequence generated by a internal
Watchdog counter overflow is shown in Figure 18.
Figure 18. Watchdog RESET Sequence
V
V
LVDf
DDnominal
V
DD
RUN
t
DE LAYmin
DELAY
WATCHDOG UNDERFLOW
4096 CLOCK CYCLES
INTERNAL RESET
RESET
Starting from the Watchdog counter underflow, the
device RESET pin acts as an output that is pulled
low during at least t
VECTOR
FETCH
ST72334J/N, ST72314J/N, ST72124J
DELAYmin
RUN
.
EXTERNAL RESET SOURCE
WATCHDOG RESET
RESET PIN
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