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參數(shù)資料
| 型號： | AT43USB355M-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, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 1.40 MM, GREEN, PLASTIC, MS-026ACB, LQFP-64 |
| 文件頁數(shù)： | 11/115頁 |
| 文件大小： | 610K |
| 代理商： | AT43USB355M-AU |
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11
AT43USB355
2603G–USB–04/06
Figure 5.
READ Timing
SRAM Data
Memory
Table 3 summarizes how the AT43USB355 SRAM Memory is organized. The lower 1120 Data
Memory locations address the Register file, the I/O Memory and the internal data SRAM. The
first 96 locations address the Register File + I/O Memory, and the next 1024 locations address
the internal data SRAM. The five different addressing modes for the data memory cover:
Direct, Indirect with Displacement, Indirect, Indirect with Pre-decrement and Indirect with Post-
increment. In the register file, registers R26 to R31 feature the indirect addressing pointer reg-
isters. Direct addressing reaches the entire data space.
The Indirect with Displacement mode features 63 address locations that reach from the base
address given by the Y- or Z-register.
When using register indirect addressing modes with automatic pre-decrement and post-incre-
ment, the address registers X, Y, and Z are decremented and incremented.
The 32 general-purpose working registers, 64 I/O registers and the 1024 bytes of internal data
SRAM in the AT43USB355 are all accessible through these addressing modes.
To manage the USB hardware, a special set of registers is assigned. These registers are
mapped to SRAM space between addresses $1F00 and 1FFF. Table 3 and Table 4 give an
overview of these registers.
1
2
3
4
5
6
7
8
9
10 11 20 21 22 23 24 25 26 27 28 29 30
0
2
0
1
3
4
5
6
7
0
1
2
3
13
14
15
...
DATA OUT
MSB
HIGH IMPEDANCE
INSTRUCTION
BYTE ADDRESS
SCK
MOSI
MISO
SSN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AT43USB380E-AI | 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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