參數(shù)資料
型號: AT80C31X2-SLSUL
廠商: Atmel
文件頁數(shù): 32/42頁
文件大?。?/td> 0K
描述: IC 8031 MCU ROMLESS 44PLCC
標準包裝: 972
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 30/20MHz
連通性: UART/USART
外圍設(shè)備: POR
輸入/輸出數(shù): 32
程序存儲器類型: ROMless
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
38
4428E–8051–02/08
AT/TS80C31X2
14.5.6
External Clock Drive Waveforms
Figure 14-10. External Clock Drive Waveforms
14.5.7
AC Testing Input/Output Waveforms
Figure 14-11. AC Testing Input/Output Waveforms
AC inputs during testing are driven at VCC - 0.5 for a logic “1” and 0.45V for a logic “0”. Timing
measurement are made at VIH min for a logic “1” and VIL max for a logic “0”.
14.5.8
Float Waveforms
Figure 14-12. Float Waveforms
For timing purposes a port pin is no longer floating when a 100 mV change from load voltage
occurs and begins to float when a 100 mV change from the loaded VOH/VOL level occurs. IOL/IOH
≥ ± 20mA.
14.5.9
Clock Waveforms
Valid in normal clock mode. In X2 mode XTAL2 signal must be changed to XTAL2 divided by
two.
V
CC-0.5 V
0.45 V
0.7V
CC
0.2V
CC-0.1 V
T
CHCL
T
CLCX
T
CLCL
TCLCH
T
CHCX
0.45 V
V
CC-0.5 V
0.2V
CC+0.9
0.2V
CC-0.1
INPUT/OUTPUT
VOL+0.1 V
V
OH-0.1 V
FLOAT
VLOAD
VLOAD+0.1 V
V
LOAD-0.1 V
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AT80C31X2-SLSUM 功能描述:8位微控制器 -MCU MICRO RLESS 31X2 40MHZ 5V C. 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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