msm82c55a-2rs Oki Semiconductor, msm82c55a-2rs Datasheet
msm82c55a-2rs
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msm82c55a-2rs Summary of contents
Page 1
... Bit set/reset function (Port C) • TTL compatible • Compatible with 8255A-5 • 40-pin Plastic DIP (DIP40-P-600-2.54): (Product name: MSM82C55A-2RS) • 44-pin Plastic QFJ (QFJ44-P-S650-1.27): (Product name: MSM82C55A-2VJS) • 44-pin Plastic QFP (QFP44-P-910-0.80-2K): (Product name: MSM82C55A-2GS-2K) This version: Jan. 1998 MSM82C55A-2RS/GS/VJS Previous version: Aug ...
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... Semiconductor CIRCUIT CONFIGURATION V CC GND 8 Data Bus Buffer RD Read/ WR Write Control RESET Logic MSM82C55A-2RS/GS/VJS 8 8 Group A Port A (8) 8 Group A Control 4 Group A Port C (High Order 4 Bits Group B Port C (Low Order 4 Bits) 8 Group B Control 8 Group B Port B ...
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... PIN CONFIGURATION (TOP VIEW) 44 pin Plastic QFP CS 1 GND MSM82C55A-2RS/GS/VJS 40 pin Plastic DIP GND ...
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... V £ 4 5 –40°C to +85°C £ V OUT pF) L –0 ≥ V –0 £ 0 MSM82C55A-2RS/GS/VJS Rating Unit –0 +0.5 CC +0.5 CC –55 to +150 °C 0.7 1.0 Unit °C Max. Unit Typ. 5 5.5 V +25 +85 ° ...
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... WOB t AOB t SIB t RIB t RIT t SIT t AIT t WIT = 0.8 V and V = 2.2 V for both inputs and outputs MSM82C55A-2RS/GS/VJS ( –40 to +85°C) CC MSM82C55A-2 Remarks Unit Min. Max. 20 — ns — — ns 100 120 ns — 200 — ...
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... Basic Output Operation (Mode CS Port Output Strobe Input Operation (Mode 1) STB IBF INTR RD Port Input SIB t SIT t RIT MSM82C55A-2RS/GS/VJS RIB 6/26 ...
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... Strobe Output Operation (Mode 1) WR OBF INTR ACK Port Output Bidirectional Bus Operation (Mode 2) WR OBF INTR ACK STB IBF Port WOB t WIT WOB SIB MSM82C55A-2RS/GS/VJS t AOB t AIT AK t AOB RIB 7/26 ...
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... Note: The direction of flowing into the device is taken as positive for the output current. ) vs. Output Current ( – 85° 5 –1 –2 –3 –4 –5 Output Current I (mA vs. Output Current ( 5 –40 to +85° Output Current I (mA) OL MSM82C55A-2RS/GS/VJS 8/26 ...
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... When port A or port B is used in mode 1 or mode 2 (port A only), they become control pins. Especially, when port C is used as an output port, each bit can set/reset independently. – +5V power supply. – GND MSM82C55A-2RS/GS/VJS Function , either one is selected from among 1 9/26 ...
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... Port C: One 8-bit data output latch/buffer and one 8-bit data input buffer (no latch for input) Single bit set/reset function for port C When port C is defined as an output port possible to set (to turn to high level) or reset (to turn to low level) any one of 8 bits individually without affecting other bits. MSM82C55A-2RS/GS/VJS ~ ...
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... C. Definition of input/ output of 8 bits of port B. Mode definition of group B. Definition of input/ output of high order 4 bits of port C. Definition of input/ output of 8 bits of port A. Mode definition of group A. MSM82C55A-2RS/GS/VJS Operation 0 = Output 1 = Input 0 = Output 1 = Input 0 = Mode Mode Output 1 = Input 0 = Output 1 = Input D ...
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... Sixteen combinations are then possible for inputs/ outputs. The inputs are not latched, but the outputs are Definition of set/reset for a desired bit. Definition of bit wanted to be set or reset. MSM82C55A-2RS/GS/VJS 0 = Reset 1 = Set Port ...
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... Input Output 0 0 Input Input 0 1 Input Input 1 0 Input Input 1 1 Input Input is set, while INTE 4 MSM82C55A-2RS/GS/VJS Group B Low Order 4 Bits Port B of Port C Output Output Output Input Input Output Input Input Output Output Output Input Input Ouput Input ...
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... A IBF INTR 3 A operates as the control signal of 3 (Group INTE B 0 OBF 7 A ACK INTR 3 A MSM82C55A-2RS/GS/VJS is set group B is set when the STB IBF INTR ...
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... INTR I STB IBF INTR 0 B MSM82C55A-2RS/GS/VJS Group A: Output Group B: Input Group B: Output INTR INTR B B OBF IBF B B STB ACK B B INTR INTR A A I/O I/O I/O I/O ACK ACK A A OBF OBF ...
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... Selection of I when not defined as a control pin Input 0 = Output STB IBF INTR 3 A Group A: Mode 1 Input I Group B: Mode 1 Output OBF ACK INTR 0 B MSM82C55A-2RS/GS/VJS and 16/26 ...
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... Following is an example of the relation between the control word and the pin when used in mode 2. When input in mode 2 for group A and in mode 1 for group B. PC INTR OBF INTE ACK STB INTE IBF 5 A Function Confirmed to the Group B Mode INTR A STBA IBF A ACK A OBF A MSM82C55A-2RS/GS/VJS 17/26 ...
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... When group A is set to mode 2, this bit is treated as "Don't Care". PC INTR OBF PC 7 ACK PC 6 STB IBF STB IBF 1 PC INTR 0 MSM82C55A-2RS/GS/VJS and Group A: Mode 2 A Group B: Mode 1 Input 18/26 ...
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... I/O I STB ACK IBF Controlled at the 3rd bit ( the Control Word bits can be accessed by the bit set/reset function only can be accessed by normal write operation - MSM82C55A-2RS/GS/VJS INTR I/O I/O I/O A INTR I/O I/O I/O A STB I/O IBF INTR B B ACK ...
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... IBF A A I/O INTE I I/O INTE I INTE INTE IBF INTE INTE IBF INTE INTE IBF MSM82C55A-2RS/GS/VJS INTR I/O I/O I/O A INTR I/O I/O I/O A I/O INTE IBF INTR B B OBF I/O INTE INTR B B INTR INTE IBF INTR ...
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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 MSM82C55A-2RS/GS/VJS 21/26 ...
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... Cycle = 1 ms) MSM82C55A-5 Symbol minimum RA t 300 ns minimum 200 ns maximum 100 ns maximum t RF 850 ns minimum t RV MSM82C55A-2RS/GS/VJS MSM82C55A-2 All ports are cleared. MSM82C55A-2 0. +2.5 mA -2.5 mA maximum (I/O Cycle = 375 ns) MSM82C55A minimum 100 ns minimum 120 ns maximum ...
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... RIB t 400 ns maximum RIT t 300 ns maximum SIT t 350 ns maximum AIT t 850 ns minimum WIT MSM82C55A-2RS/GS/VJS MSM82C55A minimum 150 ns minimum 50 ns minimum 30 ns minimum 200 ns maximum 10 ns minimum 100 ns minimum 100 ns minimum 50 ns minimum 150 ns maximum 150 ns maximum 150 ns maximum ...
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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). MSM82C55A-2RS/GS/VJS (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). MSM82C55A-2RS/GS/VJS (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). MSM82C55A-2RS/GS/VJS (Unit : mm) Package material Epoxy resin ...