參數(shù)資料
型號(hào)： uPSD3234BV-24T6T
廠商： 意法半導(dǎo)體
英文描述： Flash Programmable System Devices with 8032 Microcontroller Core
中文描述： 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核
文件頁(yè)數(shù)： 138/170頁(yè)
文件大小： 2717K
代理商： UPSD3234BV-24T6T
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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
138/170
EMC CHARACTERISTICS
Susceptibility test are performed on a sample ba-
sis during product characterization.
Functional EMS (Electromagnetic
Susceptibility)
Based on a simple running application on the
product (toggling 2 LEDs through I/O ports), the
product is stressed by two electromagnetic events
until a failure occurs (indicated by the LEDs).
ESD.
Electro-Static Discharge (positive and neg-
ative) is applied on all pins of the device until a
functional disturbance occurs. This test conforms
with the IEC 1000-4-2 Standard.
FTB.
A burst of Fast Transient voltage (positive
and negative) is applied to V
DD
and V
SS
through a
100pF capacitor, until a functional disturbance oc-
curs. This test conforms with the IEC 1000-4-2
Standard.
A device reset allows normal operations to be re-
sumed. The test results are given in Table
109
,
based on the EMS levels and classes defined in
Application Note AN1709.
Designing Hardened Software To Avoid Noise
Problems
EMC characterization and optimization are per-
formed at component level with a typical applica-
tion environment and simplified MCU software. It
should be noted that good EMC performance is
highly dependent on the user application and the
software in particular.
Therefore, it is recommended that the user applies
EMC software optimization and prequalification
tests in relation with the EMC level requested for
the user’s application.
Software Recommendations.
The
flowchart must include the management of ‘run-
away’ conditions, such as:
–
Corrupted program counter
–
Unexpected reset
–
Critical data corruption (e.g., control registers)
Prequalification trials.
Most of the common fail-
ures (unexpected reset and program counter cor-
ruption) can be reproduced by manually forcing a
low state on the RESET pin or the oscillator pins
for 1 second.
To complete these trials, ESD stress can be ap-
plied directly on the device over the range of spec-
ification values. When unexpected behavior is
detected, the software can be hardened to prevent
unrecoverable errors occurring (see Application
Note AN1015).
Absolute Maximum Ratings (Electrical
Sensitivity)
Based on three different tests (ESD, LU, and DLU)
and using specific measurement methods, the
product is stressed in order to determine its perfor-
mance in terms of electrical sensitivity. For more
details, refer to the Application Note AN1181.
Electro-Static Discharge (ESD).
Electro-Static
discharges (a positive then a negative pulse sepa-
rated by 1 second) are applied to the pins of each
sample according to each pin combination. The
sample size depends on the number of supply pins
in the device (3 parts*(n+1) supply pin). The Hu-
man Body Model is simulated (see Table
110
).
This test conforms to the JESD22-A114A Stan-
dard.
software
Table 109. EMS Test Results
Note: 1. Data based on characterization results, not tested in production.
Table 110. ESD Absolute Maximum Ratings
Note: 1. Data based on characterization results, not tested in production
Symbol
Parameter
Conditions
Level/
Class
(1)
V
FESD
Voltage limits to be applied on any I/O pin to
induce a functional disturbance
V
DD
= 4V; T
A
= 25°C; f
OSC
= 40MHz;
WDT off conforms to IEC 1000-4-2
3C
Symbol
Parameter
Conditions
Maximum Value
(1)
Unit
V
ESD(HBM)
Electro-static discharge voltage (Human
Body Model)
T
A
= 25°C
2000
V
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uPSD3234BV-24U1T Flash Programmable System Devices with 8032 Microcontroller Core
uPSD3234BV-24U6T Flash Programmable System Devices with 8032 Microcontroller Core
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uPSD3234BV-40U6T Flash Programmable System Devices with 8032 Microcontroller Core
uPSD3234 Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPSD3234BV-24U1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core
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UPSD3234BV-24U6 功能描述:8位微控制器 -MCU 3.0V 2M 24MHz RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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UPSD3234BV-40T1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core
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