com90c66 Standard Microsystems Corp., com90c66 Datasheet - Page 39
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com90c66
Manufacturer Part Number
com90c66
Description
Arcnet Controller/transceiver With At Interface And On-chip Ram Corporation
Manufacturer
Standard Microsystems Corp.
Datasheet
1.COM90C66.pdf
(76 pages)
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D0-D15
FIGURE 11 - SEQUENTIAL I/O MAPPED MEMORY ACCESS OPERATION
I/O Address ODH
I/O Address 0FH
High
Address Pointer Register
High
Data Register
11-Bit Counter
I/O Address 0EH
I/O Address 0CH
Low
Low
39
Address Bus
Data Bus
Memory
Memory
16
11
1K x 16
RAM