Unit 8-9
Unit 8: Lesson 5: C1-2/ p.89-90
... something. This sign says “you can’t park here”. Unit 8: Lesson 5: C1-2/ p.89-90 - You can’t go into that street (cannot) Model sentences. - You can park here Unit 8: Lesson 5: C1-2/ p.89-90 III. Practice. ... signs and add Can / Can“t. Unit 8: Lesson 5: C1-2/ p.89-90 III. Practice. * Picture Drill: a b c d e f Eg: S 1: What does this sign mean ? S2: You can’t park here. Unit 8: Lesso...
Ngày tải lên: 23/06/2013, 01:27
Giới thiệu chip 89S52
... IN t CHCX t CHCX t CLCX t CLCL t CHCL t CLCH V - 0.5V CC 0.45V 0.2 V - 0.1V CC 0.7 V CC External Clock Drive Symbol Parameter Min Max Units 1/t CLCL Oscillator Frequency 0 33 MHz t CLCL Clock Period 30 ns t CHCX High Time 12 ns t CLCX Low ... V CC = 4.0V to 5.5V and Load Capacitance = 80 pF. Symbol Parameter 12 MHz Osc Variable Oscillator UnitsMin Max Min Max t XLXL Serial Port Clock Cycle T...
Ngày tải lên: 10/09/2012, 09:19