データシートサーチシステム |
|
AT89S52-24PU データシート(PDF) 33 Page - ATMEL Corporation |
|
AT89S52-24PU データシート(HTML) 33 Page - ATMEL Corporation |
33 / 38 page 33 1919D–MICRO–6/08 AT89S52 35. Shift Register Mode Timing Waveforms 36. AC Testing Input/Output Waveforms(1) Note: 1. AC Inputs during testing are driven at V CC - 0.5V for a logic 1 and 0.45V for a logic 0. Timing measurements are made at V IH min. for a logic 1 and VIL max. for a logic 0. 37. Float Waveforms(1) Note: 1. For timing purposes, a port pin is no longer floating when a 100 mV change from load voltage occurs. A port pin begins to float when a 100 mV change from the loaded VOH/VOL level occurs. 34. Serial Port Timing: Shift Register Mode Test Conditions The values in this table are valid for V CC = 4.0V to 5.5V and Load Capacitance = 80 pF. Symbol Parameter 12 MHz Osc Variable Oscillator Units Min Max Min Max tXLXL Serial Port Clock Cycle Time 1.0 12 tCLCL μs t QVXH Output Data Setup to Clock Rising Edge 700 10 t CLCL-133 ns tXHQX Output Data Hold After Clock Rising Edge 50 2 tCLCL-80 ns tXHDX Input Data Hold After Clock Rising Edge 0 0 ns t XHDV Clock Rising Edge to Input Data Valid 700 10 t CLCL-133 ns t XHDV t QVXH t XLXL t XHDX t XHQX ALE INPUT DATA CLEAR RI OUTPUT DATA WRITE TO SBUF INSTRUCTION CLOCK 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 SET TI SET RI 8 VALID VALID VALID VALID VALID VALID VALID VALID 0.45V TEST POINTS V - 0.5V CC 0.2 V + 0.9V CC 0.2 V - 0.1V CC V LOAD + 0.1V Timing Reference Points V LOAD - 0.1V LOAD V V OL + 0.1V V OL - 0.1V |
同様の部品番号 - AT89S52-24PU |
|
同様の説明 - AT89S52-24PU |
|
|
リンク URL |
プライバシーポリシー |
ALLDATASHEET.JP |
ALLDATASHEETはお客様のビジネスに役立ちますか? [ DONATE ] |
Alldatasheetは | 広告 | お問い合わせ | プライバシーポリシー | リンク交換 | メーカーリスト All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |