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參數(shù)資料
| 型號： | AT43USB353M-AC |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| 中文描述： | 8-BIT, MROM, 24 MHz, RISC MICROCONTROLLER, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48 |
| 文件頁數(shù)： | 7/95頁 |
| 文件大?。?/td> | 568K |
| 代理商： | AT43USB353M-AC |
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7
AT43USB353M
3307B–USB–4/04
As shown in Table 2, each register is also assigned a data memory address, mapping them
directly into the first 32 locations of the user Data Space. Although not being physically imple-
mented as SRAM locations, this memory organization provides great flexibility in access of the
registers, as the X-, Y-, and Z-registers can be set to index any register in the file.
X-, Y- and Z-
Registers
Registers R26..R31 contain some added functions to their general-purpose usage. These reg-
isters are address pointers for indirect addressing of the Data Space. The three indirect
address registers X, Y, and Z are defined as:
In the different addressing modes these address registers have functions as fixed displace-
ment, automatic increment and decrement (see the descriptions for the different instructions).
ALU – Arithmetic
Logic Unit
The high-performance AVR ALU operates in direct connection with all 32 general-purpose
working registers. Within a single clock cycle, ALU operations between registers in the register
file are executed. The ALU operations are divided into three main categories – arithmetic, log-
ical and bit-functions.
Program Memory
The AT43USB353M contains 24K bytes on-chip masked programmable ROM program mem-
ory. Since all instructions are 16- or 32-bit words, the program memory is organized as 12K x
16. The AT43USB353M Program Counter (PC) is 14 bits wide, thus addressing the 12,288
program memory addresses.
Constant tables can be allocated within the entire program memory address space (see the
LPM - Load Program Memory instruction description).
Where the functions overlap, the AT43USB353M and the AT43USB355 are binary compati-
ble. A firmware written for the AT43USB355 will work unaltered on the AT43USB353M as long
as the functions are supported by the AT43USB353M. The only functional difference between
the two devices are listed in Table 3.
X-register
15
XH
XL
0
7
0
7
0
R27 ($1B)
R26 ($1A)
Y-register
15
YH
YL
0
7
0
7
0
R29 ($1D)
R28 ($1C)
Z-register
15
ZH
ZL
0
7
0
7
0
R30 ($1F)
R31 ($1E)
相關PDF資料 |
PDF描述 |
|---|---|
| AT43USB355E-AC | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355E-AU | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| 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 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT43USB355 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset |
| AT43USB355_02 | 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 |
| AT43USB355_06 | 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 |
| AT43USB355E-AC | 功能描述:8位微控制器 -MCU USB GAME CONTROL w/EMBED HUB-COM TEMP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| AT43USB355E-AU | 功能描述:8位微控制器 -MCU USB GAME CONTROL w/ EMBED HUB RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
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