STM8L152M8T7 STMicroelectronics, STM8L152M8T7 Datasheet - Page 94
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STM8L152M8T7
Manufacturer Part Number
STM8L152M8T7
Description
8-bit Microcontrollers - MCU 8-bit Ultralow MCU LCD 80pin 64kb Flash
Manufacturer
STMicroelectronics
Datasheet
1.STM8L152M8T7.pdf
(129 pages)
Specifications of STM8L152M8T7
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
STM8
Data Bus Width
8 bit
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Electrical parameters
9.3.6
9.3.7
94/129
I/O current injection characteristics
As a general rule, current injection to the I/O pins, due to external voltage below V
above V
in order to give an indication of the robustness of the microcontroller in cases when
abnormal injection accidentally happens, susceptibility tests are performed on a sample
basis during device characterization.
Functional susceptibility to I/O current injection
While a simple application is executed on the device, the device is stressed by injecting
current into the I/O pins programmed in floating input mode. While current is injected into the
I/O pin, one at a time, the device is checked for functional failures.
The failure is indicated by an out of range parameter: ADC error, out of spec current
injection on adjacent pins or other functional failure (for example reset, oscillator frequency
deviation, LCD levels, etc.).
The test results are given in the following table.
Table 37. I/O current injection susceptibility
I/O port pin characteristics
General characteristics
Subject to general operating conditions for V
unused pins must be kept at a fixed voltage: using the output mode of the I/O for example or
an external pull-up or pull-down resistor.
Symbol
I
INJ
DD
(for standard pins) should be avoided during normal product operation. However,
Injected current on true open-drain pins
Injected current on all 5 V tolerant (FT) pins
Injected current on any other pin
Description
Doc ID 17943 Rev 5
DD
and T
A
unless otherwise specified. All
Functional susceptibility
Negative
injection
-5
-5
-5
STM8L15xx8, STM8L15xR6
injection
Positive
+0
+0
+5
SS
Unit
or
mA
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