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參數(shù)資料
| 型號： | AT89EB5114-TGSIL |
| 廠商： | Atmel |
| 文件頁數(shù)： | 13/86頁 |
| 文件大小： | 0K |
| 描述： | IC 8051 MCU FLASH 4K 20SOIC |
| 產(chǎn)品培訓(xùn)模塊： | MCU Product Line Introduction |
| 標(biāo)準(zhǔn)包裝： | 38 |
| 系列： | 89EB |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 40MHz |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 11 |
| 程序存儲器容量： | 4KB（4K x 8） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大小： | 256 x 8 |
| RAM 容量： | 256 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 6x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 616 (CN2011-ZH PDF) |
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20
AT89/83EB5114
4311C–8051–02/08
their data during Idle. The port pins hold the logical states they had at the time Idle was
activated. ALE and PSEN are held at logic high levels. The different operating modes
are summarized on Table 10 on page 21.
Exit from Idle Mode
There are two ways to terminate idle mode. Activation of any enabled interrupt will
cause PCON.0 to be cleared by hardware, terminating Idle mode. The interrupt will be
serviced, and following RETI the next instruction to be executed will be the one following
the instruction that put the device into idle. Exit from idle mode will leave the oscillators
control bits on OSCON and CKS registers unchanged.
The flag bits GF0 and GF1 can be used to give an indication if an interrupt occurred dur-
ing normal operation or during an Idle mode. For example, an instruction that activates
Idle mode can also set one or both flag bits. When Idle is terminated by an interrupt, the
interrupt service routine can examine the flag bits.
The other way of terminating the Idle mode is with a hardware reset. Since the clock
oscillator is still running, the hardware reset needs to be held active for only two
machine cycles (24 oscillator periods) to complete the reset.
In both cases, PCON.0 is cleared by hardware.
Quiet Mode
The quiet mode is a pseudo idle mode in which the CPU and all the peripherals except
the AD converter are down. For more details, See “Analog-to-Digital Converter (ADC)”
on page 57.
Power-down Mode
To save maximum power, a power-down mode can be invoked by software (refer to
Table 11 on page 22). In power-down mode, the oscillator is stopped and the instruction
that invoked power-down mode is the last instruction executed. The internal RAM and
SFRs retain their value until the power-down mode is terminated. VCC can be lowered to
save further power.
Entering Power-down Mode
An instruction that sets PCON.1 causes that to be the last instruction executed before
going into the power-down mode.
The ports status under power-down is the previous status before entering this power
mode.
Exit from Power-down Mode
Either a hardware reset or an external interrupt (low level) on INT0 or INT1 (if enabled)
can cause an exit from power-down. To properly terminate power-down, the reset or
external interrupt should not be executed before VCC is restored to its normal operating
level and must be held active long enough for the oscillator to restart and stabilize.
Exit from power-down by external interrupt does not affect the SFRs and the internal
RAM content.
Figure 6. Power-down Exit Waveform
By a hardware Reset, the CPU will restart in the mode defined by the RST_OSC1 and
RST_OSC0 bits in HSB.
INTERRUPT
OSC
Power-down phase
Oscillator restart phase
Active phase
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| AT89EB5114-TGSUL | 功能描述:8位微控制器 -MCU A/D 4K Flash 256EE RC 4PWM SO20 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(fēng)格:SMD/SMT |
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| AT89EVK-01 | 功能描述:開發(fā)板和工具包 - 8051 AT83C24 Kit for TDA8004/8024 rplcmnt RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| AT89ISP | 功能描述:電纜組件 ISP CABLE FOR 89S SERIES - ISP CABLE RoHS:否 制造商:Molex 產(chǎn)品:Power Assemblies 類型:Cable Assembly 連接器端口 A:No Connector 連接器端口 A 管腳計數(shù):4 連接器端口 B:No Connector 連接器端口 B 管腳計數(shù): 型式:Male 線規(guī) - 美國線規(guī)（AWG）:20, 28 長度:0.305 m 顏色:Black, Red |
| AT89LP2052-16PI | 功能描述:8位微控制器 -MCU Microcontroller 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(fēng)格:SMD/SMT |
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