ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 46
ST7LITE49K2
Manufacturer Part Number
ST7LITE49K2
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST7LITE49K2.pdf
(245 pages)
Specifications of ST7LITE49K2
8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance
10K write/erase cycles guaranteed Data retention
256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow
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Supply, reset and clock management
7.3.5
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Internal watchdog reset
The Reset sequence generated by an internal watchdog counter overflow is shown in
Figure 16: Reset sequences
Starting from the watchdog counter underflow, the device RESET pin acts as an output that
is pulled low during at least t
Figure 16. Reset sequences
WATCHDOG
RESET
EXTERNAL
RESET
SOURCE
RESET PIN
V
V
IT+(LVD)
IT-(LVD)
V
DD
RUN
ACTIVE PHASE
RESET
w(RSTL)out
LVD
.
t
RUN
h(RSTL)in
WATCHDOG UNDERFLOW
ACTIVE
PHASE
EXTERNAL
RESET
INTERNAL RESET (256 or 4096 T
VECTOR FETCH
RUN
WATCHDOG
ACTIVE
PHASE
RESET
t
w(RSTL)out
ST7LITE49K2
RUN
CPU
)
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