參數(shù)資料
型號(hào)： UPSD3212AV-40T6T
廠商： 意法半導(dǎo)體
英文描述： Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
中文描述： 閃存可編程系統(tǒng)設(shè)備與8032具有USB和可編程邏輯控制器
文件頁數(shù)： 86/163頁
文件大?。?/td> 2844K
代理商： UPSD3212AV-40T6T
uPSD3212A, uPSD3212C, uPSD3212CV
86/163
External USB Pull-Up Resistor
The USB system specifies a pull-up resistor on the
D- pin for low-speed peripherals. The USB
Spec 1.1 describes a 1.5k
pull-up resistor to a
3.3V supply. An approved alternative method is a
7.5k
pull-up to the USB V
CC
supply. This alterna-
tive is defined for low-speed devices with an inte-
grated cable. The chip is specified for the 7.5k
pull-up. This eliminates the need for an external
3.3V regulator, or for a pin dedicated to providing
a 3.3V output from the chip.
Figure 42. USB Data Signal Timing and Voltage Levels
Figure 43. Receiver Jitter Tolerance
AI06631
VCR
D-
D+
t
R
t
F
10%
90%
90%
10%
V
OH
V
OL
AI06632
T
JR
T
JR1
T
JR2
Consecutive
Transitions
N*T
PERIOD
+T
JR1
T
PERIOD
Paired
Transitions
N*T
PERIOD
+T
JR2
Differential
Data Lines
相關(guān)PDF資料
PDF描述
UPSD3212AV-40U6T Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
UPSD3212CV-24T6 Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
UPSD3212CV-24U6 Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
uPSD3212C Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM(帶8032微控制器內(nèi)核和16Kbit SRAM的FLASH可編程系統(tǒng)器件)
uPSD3212CV Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM(帶8032微控制器內(nèi)核和16Kbit SRAM的FLASH可編程系統(tǒng)器件)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPSD3212AV-40U6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
UPSD3212C 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
UPSD3212C-24T1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM
UPSD3212C-24T6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic
UPSD3212C-24U1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM
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