ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 193

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ST7LITE49K2

Manufacturer Part Number
ST7LITE49K2
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet

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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ST7LITE49K2
13.2
Figure 84. Pin input voltage
Absolute maximum ratings
Stresses above those listed as “absolute maximum ratings” may cause permanent damage
to the device. This is a stress rating only and functional operation of the device under these
conditions is not implied. Exposure to maximum rating conditions for extended periods may
affect device reliability.
Table 69.
1. Directly connecting the RESET and I/O pins to V
2. I
internal reset is generated or an unexpected change of the I/O configuration occurs (for example, due to a
corrupted Program Counter). To guarantee safe operation, this connection has to be done through a pull-
up or pull-down resistor (typical: 4.7 kΩ for RESET, 10 kΩ for I/Os). Unused I/O pins must be tied in the
same way to V
cannot be respected, the injection current must be limited externally to the I
injection is induced by V
pads, there is no positive injection current, and the corresponding V
INJ(PIN)
V
V
V
Symbol
ESD(HBM)
ESD(CDM)
DD
V
- V
IN
must never be exceeded. This is implicitly insured if V
SS
Voltage characteristics
DD
or V
Electrostatic discharge voltage (Charge Device
Electrostatic discharge voltage (Human Body
SS
IN
according to their reset configuration.
>V
DD
Input voltage on any pin
while a negative injection is induced by V
V
Supply voltage
IN
Ratings
model)
model)
DD
or V
SS
ST7 PIN
(1)(2)
could damage the device if an unintentional
IN
maximum is respected. If V
IN
maximum must always be respected
IN
V
<V
INJ(PIN)
Maximum value
see
SS
Electrical characteristics
SS
-0.3 to V
. For true open-drain
Section 13.8.3 on page
value. A positive
7.0
DD
213
IN
+0.3
maximum
193/245
Unit
V

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