STM8L152C6U3 STMicroelectronics, STM8L152C6U3 Datasheet - Page 83

• Manufacturer Part Number: STM8L152C6U3
• Description: 8-bit Microcontrollers - MCU Ultra-Lo-pwr 8-bit MCU 32Kb
• Manufacturer: STMicroelectronics

Specifications of STM8L152C6U3

• Rohs: yes

STM8L151xx, STM8L152xx
9.3.6
9.3.7
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 susceptibilty 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.
I
Symbol
INJ
DD
Injected current on true open-drain pins (PC0 and
PC1)
Injected current on all five-volt tolerant (FT) pins
Injected current on all 3.6 V tolerant (TT) pins
Injected current on any other pin
(for standard pins) should be avoided during normal product operation. However,
Description
Doc ID 15962 Rev 12
DD
and T
A
unless otherwise specified. All
Functional susceptibility
Negative
injection
-5
-5
-5
-5
Electrical parameters
injection
Positive
+0
+0
+0
+5
SS
or
83/129
Unit
mA