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參數(shù)資料
| 型號(hào)： | ST72F321J9TC |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE |
| 中文描述： | 64/44-PIN 8位微控制器32點(diǎn)，至60,000閃存/ ROM，ADC的，5個(gè)定時(shí)器，SPI和SCI的I2C接口 |
| 文件頁數(shù)： | 139/189頁 |
| 文件大?。?/td> | 3090K |
| 代理商： | ST72F321J9TC |
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ST72321
139/189
12.2 ABSOLUTE MAXIMUM RATINGS
Stresses above those listed as “absolute maxi-
mum ratings” may cause permanent damage to
the device. This is a stress rating only and func-
tional operation of the device under these condi-
12.2.1 Voltage Characteristics
tions is not implied. Exposure to maximum rating
conditions for extended periods may affect device
reliability.
12.2.2 Current Characteristics
Notes:
1. Directly connecting the RESET and I/O pins to V
or V
could damage the device if an unintentional 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: 4.7k
for
RESET, 10k
for I/Os). For the same reason, unused I/O pins must not be directly tied to V
DD
or V
SS
.
2. I
must never be exceeded. This is implicitly insured if V
IN
maximum is respected. If V
maximum cannot be
respected, the injection current must be limited externally to the I
value. A positive injection is induced by V
>V
while a negative injection is induced by V
<V
. For true open-drain pads, there is no positive injection current, and the
corresponding V
IN
maximum must always be respected
3. All power (V
DD
) and ground (V
SS
) lines must always be connected to the external supply.
4. Negative injection disturbs the analog performance of the device.
See note in
“ADC Accuracy” on page 170
.
For best reliability, it is recommended to avoid negative injection of more than 1.6mA.
5. When several inputs are submitted to a current injection, the maximum
Σ
I
is the absolute sum of the positive
and negative injected currents (instantaneous values). These results are based on characterisation with
Σ
I
INJ(PIN)
maxi-
mum current injection on four I/O port pins of the device.
6. True open drain I/O port pins do not accept positive injection.
Symbol
Ratings
Maximum value
Unit
V
DD
- V
SS
V
PP
- V
SS
Supply voltage
Programming Voltage
Input Voltage on true open drain pin
Input voltage on any other pin
Variations between different digital power pins
Variations between digital and analog ground pins
Electro-static discharge voltage (Human Body Model)
Electro-static discharge voltage (Machine Model)
6.5
13
V
V
IN 1) & 2)
V
SS
-0.3 to 6.5
V
SS
-0.3 to V
DD
+0.3
50
50
|
V
DDx
| and |
V
SSx
|
|V
SSA
- V
SSx
|
V
ESD(HBM)
V
ESD(MM)
mV
see
section 12.7.3 on page 155
Symbol
Ratings
Maximum value
Unit
I
VDD
I
VSS
Total current into V
DD
power lines (source)
3)
Total current out of V
SS
ground lines (sink)
3)
Output current sunk by any standard I/O and control pin
Output current sunk by any high sink I/O pin
Output current source by any I/Os and control pin
Injected current on V
PP
pin
Injected current on RESET pin
Injected current on OSC1 and OSC2 pins
Injected current on PC6 (Flash devices only)
Injected current on any other pin
5) & 6)
Total injected current (sum of all I/O and control pins)
5)
150
150
25
50
- 25
± 5
± 5
± 5
+ 5
± 5
± 25
mA
I
IO
mA
I
INJ(PIN) 2) & 4)
Σ
I
INJ(PIN) 2)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72F321J9TCE | 制造商:STMicroelectronics 功能描述: |
| ST72F321J9TCTR | 功能描述:8位微控制器 -MCU AUTO 8BIT MICRO 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 |
| ST72F321J9TCTRE | 制造商:STMicroelectronics 功能描述: |
| ST72F321M6T6 | 制造商:STMicroelectronics 功能描述: |
| ST72F321M7T6 | 制造商:STMicroelectronics 功能描述:8-BIT FLASH MICROCONTROLLER - Bulk |
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