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參數(shù)資料
| 型號： | AT43USB355E-AU |
| 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, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 1.40 MM, GREEN, PLASTIC, MS-026ACB, LQFP-64 |
| 文件頁數(shù)： | 72/115頁 |
| 文件大?。?/td> | 610K |
| 代理商： | AT43USB355E-AU |
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72
AT43USB355
2603G–USB–04/06
Port F
In the AT43USB355 Port F[1:3] is a 3-bit bi-directional I/O. Its output buffers can sink or source
2 mA Three I/O memory address locations are allocated for the Port F, one each for the Data
Register (PORTF), $06($26), Data Direction Register (DDRF), $05($25) and the Port F Input
Pins (PIND), $04($24). The Port F Input Pins address is read only, while the Data Register
and the Data Direction Register are read/write.
PF1 to PF3 pins have individually selectable pull-up resistors. When pins PPF1 to PF3 are
used as inputs and are externally pulled low, they will source current if the internal pull-up
resistors are activated.
In the SRAM version of the chip, the AT43USB355E, Port F is used for program memory
downloading immediately after power-on reset. After downloading is completed, PF0 is driven
high, while PF[1:3] becomes available as GPIO. In both versions of the chip, PF3 can be pro-
grammed as ICP, Timer/Counter 1 Input Capture.
Port F Data Register – PORTF
Port F Data Direction Register – DDRF
Port F Input Pins Address – PINF
The Port F Input Pins address (PINF) is not a register, and this address enables access to the
physical value on each Port F pin. When reading PORTF, the Port F Data Latch is read, and
when reading PINF, the logical values present on the pins are read.
Bit
7
6
5
4
3
2
1
0
$06 ($26)
–
–
–
–
PORTF3
PORTF2
PORTF1
–
PORTF
Read/Write
R
R
R
R
R/W
R/W
R/W
R
Initial Value
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
$05 ($25)
–
–
–
–
DDF3
DDF2
DDF1
–
DDRF
Read/Write
R
R
R
R
R/W
R/W
R/W
R
Initial Value
0
0
0
0
0
0
0
0
Bit
7
6
5
4
2
1
0
$04 ($24)
–
–
–
–
PINF3
PINF2
PINF1
–
PINF
Read/Write
R
R
R
R
R
R
R
R
Initial Value
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT43USB355M-AC | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355M-AU | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB380 | On-The-Go Upgrade of the AT43USB370 USB 2.0 Full-Speed Host/Function Processor |
| AT45BR3214B | 32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY |
| AT45BR3214B-C1 | 32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT43USB355M-AC | 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 |
| 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 |
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