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| 型號(hào)： | AT43USB355E-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(yè)數(shù)： | 38/115頁(yè) |
| 文件大?。?/td> | 610K |
| 代理商： | AT43USB355E-AC |
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38
AT43USB355
2603G–USB–04/06
Stack Pointer Register – SP
The Stack Pointer points to the data SRAM stack area where the Subroutine and Interrupt
Stacks are located. This Stack space in the data SRAM must be defined by the program
before any subroutine calls are executed or interrupts are enabled. The stack pointer must be
set to point above $60. The Stack Pointer is decremented by one when data is pushed onto
the Stack with the PUSH instruction, and it is decremented by two when an address is pushed
onto the Stack with subroutine calls and interrupts. The Stack Pointer is incremented by one
when data is popped from the Stack with the POP instruction and it is incremented by two
when an address is popped from the Stack with return from subroutine RET or return from
interrupt RETI.
Sleep Modes
To enter the sleep modes, the SE bit in MCUCR must be set (one) and a SLEEP instruction
must be executed. If an enabled interrupt occurs while the MCU is in a sleep mode, the MCU
awakes, executes the interrupt routine, and resumes execution from the instruction following
SLEEP. The contents of the register file, SRAM and I/O memory are unaltered. If a reset
occurs during sleep mode, the MCU wakes up and executes from the Reset vector.
Power Down Mode
When the SM bit is set (one), the SLEEP instruction forces the MCU into the Power Down
Mode. In this mode, the external oscillator is stopped, while the external interrupts continue
operating. Only an external reset, an external level interrupt on INT0 or INT1, can wake up the
MCU.
Note that when a level triggered interrupt is used for wake-up from power down, the low level
must be held for a time longer than the reset delay time-out period t
TOUT
. Otherwise, the MCU
will fail to wake up.
Bit
15
14
13
12
11
10
9
8
$3E ($5E)
I
T
H
S
V
N
Z
C
SPH
$3D ($5D)
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
SPL
7
6
5
4
3
2
1
0
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| AT45BR3214B | 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 |
|---|---|
| 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT |
| 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 |
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