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Design 8086's memory system consists of 512K bytes of RAM and 128K bytes of ROM using the devices shown in Figure 3.1. It is required to reside ROM memory over the address range Ox00000 through O×1FFFF, and the address range of the RAM is to be Ox50000 through OXCFFFF. The labels CE, W, and R shown in Figure 3.1 refer to the standard pins related to the functions of Chip enable, Read and Write, respectively. The (bar) sign indicates that the respective function is activated at the logic “low" level. Address Address Data СЕ СЕ Data W R R SRAM ROM 128K x 8 64K x 8

Design 8086's memory system consists of 512K bytes of RAM and 128K bytes of ROM using the devices shown in Figure 3.1. It is required to reside ROM memory over the address range Ox00000 through O×1FFFF, and the address range of the RAM is to be Ox50000 through OXCFFFF. The labels CE, W, and R shown in Figure 3.1 refer to the standard pins related to the functions of Chip enable, Read and Write, respectively. The (bar) sign indicates that the respective function is activated at the logic “low" level. Address Address Data СЕ СЕ Data W R R SRAM ROM 128K x 8 64K x 8

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Design 8086's memory system consists of 512K bytes of RAM and 128K bytes of ROM using the devices shown in Figure 3.1. It is required to reside ROM memory over the address range Ox00000 through 0×1FFFF, and the address range of the RAM is to be Ox50000 through OXCFFFF. The labels CE, W, and R shown in Figure 3.1 refer to the standard pins related to the functions of Chip enable, Read and Write, respectively. The (bar) sign indicates that the respective function is activated at the logic “low" level. Address Address Data СЕ СЕ Data W R R SRAM 128K x 8 ROM 64K x 8
Transcribed Image Text:Design 8086's memory system consists of 512K bytes of RAM and 128K bytes of ROM using the devices shown in Figure 3.1. It is required to reside ROM memory over the address range Ox00000 through 0×1FFFF, and the address range of the RAM is to be Ox50000 through OXCFFFF. The labels CE, W, and R shown in Figure 3.1 refer to the standard pins related to the functions of Chip enable, Read and Write, respectively. The (bar) sign indicates that the respective function is activated at the logic “low" level. Address Address Data СЕ СЕ Data W R R SRAM 128K x 8 ROM 64K x 8
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