參數(shù)資料
型號: ST52T430K3T6
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP32
封裝: TQFP-32
文件頁數(shù): 75/88頁
文件大小: 1162K
代理商: ST52T430K3T6
ST52T430/E430
77/88
12.8 Port Pin Characteristics
12.8.1 General Characteristics.
Subject to general operating condition for VDD, fosc, and TA , unless otherwise specified.
Notes:
1. Unless otherwise specified, typical data is based on TA=25 °C and VDD=5 V
2. Hysteresis voltage between Schmitt trigger switching level. Based on characterization results, not
tested in production.
3. Configuration is not recommended, all 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 (see Figure 12.11. Data based on
design simulation and/or technology characteristics is not tested in production.
Figure 12.11 Recommended configuration for unused pins
Symbol
Parameter
Condition
Min
Typ1)
Max
Unit
VIL
CMOS type low level input voltage.
Port B pins. (See Fig 11.13)
1.5
V
TTL type Schmitt trigger low level
input voltage. Port A and Port C
pins. (See Fig. 11.12)
0.8
VIH
CMOS type high level input voltage.
Port B pins. (See Fig 11.13)
3.3
TTL type Schmitt trigger high level
input voltage. Port A and Port C
pins. (See Fig. 11.12)
2.2
Vhys
Schmitt trigger voltage hysteresis 2)
1
IL
Input leakage current
VSS≤VIN≤VDD
±1
A
IS
Static current consumption3)
Floating input mode
200
VDD
ST52
UNUSED I/O PORT
10k
UNUSED I/O PORT
ST52
10k
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