參數(shù)資料
型號： AT43USB355M-AC
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
中文描述： 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM, PLASTIC, MS-026ACB, LQFP-64
文件頁數(shù)： 73/115頁
文件大?。?/td> 610K
代理商： AT43USB355M-AC
73
AT43USB355
2603G–USB–04/06
PortF as General
Digital I/O
PFn, General I/O Pin:
In the AT43USB355E, after firmware downloading, the DDFn bit in the
DDRF register selects the direction of this pin. If DDFn is set (one), PFn is con-figured as an
output pin. If DDFn is cleared (zero), PFn is configured as an input pin. If PORTFn is set (one)
when the pin is configured as an input pin, the MOS pull-up resistor is activated. To switch the
pull-up resistor off, the PORTFn has to be cleared (zero) or the pin has to configured as an
output pin. The Port F pins are tri-stated when a reset condition becomes active, except PFO
of the AT43USB355E. This pin is dedicated as the slave select pin for the SEEPROM.
Note:
n: 3, 2, 1, pin number.
Table 29.
DDFn Bits on Port F Pins
DDFn
PORTFn
I/O
Comment
0
0
Input
Tri-state (Hi-Z)
0
1
Input
PFn will source current if ext. pulled low.
1
0
Output
Push-Pull Zero Output
1
1
Output
Push-Pull One Output
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB355M-AU 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB370 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:USB 2.0 Full-Speed Host/Function Processor
AT43USB370E-AC 功能描述:USB 接口集成電路 USB HOST DEVICE CONTROL - COM TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
AT43USB380 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:On-The-Go Upgrade of the AT43USB370 USB 2.0 Full-Speed Host/Function Processor
AT43USB380E-AC 功能描述:USB 接口集成電路 USB OTG/HOST/FUNC DEVICE CNTRL RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
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