MSM81C55-5RS Oki Semiconductor, MSM81C55-5RS Datasheet
MSM81C55-5RS
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MSM81C55-5RS Summary of contents
Page 1
... Multiplexed address/data bus • Direct interface with MSM80C85AH • 40-pin Plastic DIP (DIP40-P-600-2.54): (Product name: MSM81C55-5RS) • 44-pin Plastic QFJ (QFJ44-P-S650-1.27): (Product name: MSM81C55-5JS) • 44-pin Plastic QFP (QFP44-P-910-0.80-2K): (Product name: MSM81C55-5GS-2K) ...
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... Semiconductor PIN CONFIGURATION (TOP VIEW) 44 pin Plastic QFP TIMEROUT 1 IO ALE MSM81C55-5RS/GS/JS 40 pin Plastic DIP TIMER IN 4 RESET TIMER OUT 7 IO ALE AD 12 ...
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... 4 5 £ V £ –40°C to 85°C OUT CC CE ≥ V –0 ≥ V –0 £ –0 Memory cycle time MSM81C55-5RS/GS/JS Rating Unit MSM81C55-5JS °C 0.7 1.0 W Unit V °C Max. Unit 5.5 V +85 °C +0 ...
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... CYC — — 1 120 t — 200 — — 0.8 V and V = 2.2 V for both input and output MSM81C55-5RS/GS/ 5.25 V, Unit Remarks Max. 37 — — — ns — 140 ns — 330 ns 70 — — ...
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... Semiconductor TIMING DIAGRAM Read Cycle CE IO ALE RD Write Cycle CE IO ALE Address RDE t LC Address MSM81C55-5RS/GS/JS Data Valid t RDF Data Valid 5/19 ...
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... Semiconductor Strobe Input Mode BF STROBE INTR RD Input Data From Port Strobe Output Mode BF STROBE INTR WR Output Data To Port t SBF PHS t PSS t WBF MSM81C55-5RS/GS/JS t RBE t RDI t SBE t SI 6/19 ...
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... TIMER OUT (Pulse) TIMER OUT (Square Wave) Note: Periodically outut according to the output mode (m1=1) programming contents Load Counter From Count Length Register CYC (Note) (Note) t MSM81C55-5RS/GS/ (T. Count Down(5Æ1) 7/19 ...
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... Timer - Start Condition ALE = 0 V CCH ALE = 0 CC CCH I CCH Standby Mode t LA MSM81C55-5RS/GS/JS WT Specification Unit Min. Typ. Max. 2.0 — — V — 0. — — — — 8/19 ...
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... Timer output. When the present count is reached during timer operation, this pin provides TIMER OUT a square-wave or pulse output depending on the programmed control status. V 3–6V power supply CC GND GND t SU Standby Mode Function is written into either the memory or into the selected port MSM81C55-5RS/GS/ IO/M, and CE signals into lines depending 9/19 ...
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... Internal command/status register Universal I/O port A (PA Universal I/O port B (PB I/O port C (PC Timer count lower position 8 bits (LSB) Timer count upper position 6 bits and timer mode bits (MSB) MSM81C55-5RS/GS/JS Timer Timer MSB LSB Timer Mode Selecting Register 10/19 ...
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... If the timer is running, loads a new mode and the count length, and starts timer operation immediately after TC is reached. Port Control Assignment Table ALT2 Output port Output port Output port Output port Output port Output port MSM81C55-5RS/GS/JS 0= Input Output 00=ALT1 See the port 11=ALT2 control 01=ALT3 ...
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... Timer Interrupt. This bit is set high when the timer reaches TC, and is reset when the C/S register is read or a hardware reset occurs High Order 6 Bits of Count Length Low Order Byte of Count Length MSM81C55-5RS/GS/ 12/19 ...
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... TIMER-IN WR n=5 TIMER-OUT (Square Wave) TIMER-OUT (Pulse) WR n=4 TIMER-OUT (Square Wave) TIMER-OUT (Pulse) Note the value set in the CLR. Figures in the diagram refer to counter values occurred. Regardless of this, the MSM81C55- Start Start (TC) MSM81C55-5RS/GS/JS in generating the (TC 13/19 ...
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... By setting the reset input to a high level, the standby mode can be selected. In this case, the command register is reset, so the ports automatically set to the input mode and the timer stops. or GND potential. MSM81C55-5RS/GS/JS 14/19 ...
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... High-speed device (New) M80C85AH M80C86A-10 M80C88A-10 M82C84A-2 M81C55-5 M82C37B-5 M82C51A-2 M82C53-2 M82C55A-2 Remarks Low-speed device (Old) M80C85A/M80C85A-2 8bit MPU 16bit MPU M80C86A/M80C86A-2 8bit MPU M80C88A/M80C88A-2 Clock generator M82C84A/M82C84A-5 RAM.I/O, timer M81C55 DMA controller M82C37A/M82C37A-5 USART M82C51A Timer M82C53-5 PPI M82C55A-5 MSM81C55-5RS/GS/JS 15/19 ...
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... These devices use the same chip. However, different outgoing inspection standards are used for these devices separately. 3) Electrical Characteristics ''Oki's '96 Data Book for MICROCONTROLLER'' describes that the MSM81C55-5 satisfies the electrical characteristics of the MSM81C55. As shown above, the devices can be replaced without any trouble. MSM81C55-5RS/GS/JS 16/19 ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM81C55-5RS/GS/JS (Unit : mm) Package material Epoxy resin ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM81C55-5RS/GS/JS (Unit : mm) Package material Epoxy resin ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM81C55-5RS/GS/JS (Unit : mm) Package material Epoxy resin ...