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參數(shù)資料
| 型號： | TS80C32X2-VIA |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 60 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數(shù)： | 54/55頁 |
| 文件大?。?/td> | 596K |
| 代理商： | TS80C32X2-VIA |
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8
TS8xCx2X2
4184I–8051–02/08
TS80C52X2
Enhanced Features
In comparison to the original 80C52, the TS80C52X2 implements some new features,
which are:
The X2 option
The Dual Data Pointer
The 4 level interrupt priority system
The power-off flag
The ONCE mode
The ALE disabling
Some enhanced features are also located in the UART and the Timer 2
X2 Feature
The TS80C52X2 core needs only 6 clock periods per machine cycle. This feature called
”X2” provides the following advantages:
Divide frequency crystals by 2 (cheaper crystals) while keeping same CPU power
Save power consumption while keeping same CPU power (oscillator power saving)
Save power consumption by dividing dynamically operating frequency by 2 in
operating and idle modes
Increase CPU power by 2 while keeping same crystal frequency
In order to keep the original C51 compatibility, a divider by 2 is inserted between the
XTAL1 signal and the main clock input of the core (phase generator). This divider may
be disabled by software.
Description
The clock for the whole circuit and peripheral is first divided by two before being used by
the CPU core and peripherals. This allows any cyclic ratio to be accepted on XTAL1
input. In X2 mode, as this divider is bypassed, the signals on XTAL1 must have a cyclic
ratio between 40 to 60%. Figure 1. shows the clock generation block diagram. X2 bit is
validated on XTAL1÷2 rising edge to avoid glitches when switching from X2 to STD
mode. Figure 2 shows the mode switching waveforms.
Figure 1. Clock Generation Diagram
XTAL1
2
CKCON reg
X2
state machine: 6 clock cycles.
CPU control
FOSC
FXTAL
0
1
XTAL1:2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS80C32X2-VIAB | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS80C32X2-VIAD | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS80C32X2-VIAR | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS80C32X2-VIB | 功能描述:IC MCU 8BIT 40/20MHZ 44-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:80C 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR) |
| TS80C32X2-VIBB | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
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