Boots – shoes – and leggings
Patent
1984-10-29
1987-07-14
Williams, Jr., Archie E.
Boots, shoes, and leggings
371 25, 377 64, G06F 300, G06F 1100, G11C 1900
Patent
active
046807330
ABSTRACT:
A serdes device includes circuitry for loading or reading bit configurations into or out of strings of latches of variable length nk+r, where n is the number of bits in a byte, k is the number of whole bytes and r is the number of residual bits, with r being smaller than n.
Under the control of a service processor (8), there is formed a ring comprised of the latches of the serializer/deserializer register (14), the latches of the string considered (3 or 4) and a selected number (n-r) of latches of an extension register (16). The bytes to be loaded are sequentially sent to register (14), starting with the byte that contains the residual bits, and n bits are shifted out after loading each successive byte, so that after k+1 shifts the desired configuration will be contained in the string. For reading the contents of a string (for example, string 3), n bits are shifted, register (14) is read out, then k shifts of n bits each are performed, with register (14) being read out after each shift.
REFERENCES:
patent: 3582902 (1968-12-01), Hirtle et al.
patent: 3771133 (1973-11-01), Kashco
patent: 3972031 (1976-07-01), Riemenschneider
patent: 4101973 (1978-07-01), Tromp
patent: 4283620 (1981-08-01), Drescher et al.
patent: 4429300 (1984-01-01), Yamasawa et al.
patent: 4476431 (1984-10-01), Blum
patent: 4597042 (1986-06-01), d'Angeac et al.
IBM Technical Disclosure Bulletin, vol. 19, Jun. 1976, "Selective Ring Modification with Check Pattern, by Stranko et al.
IBM Technical Disclosure Bulletin, vol. 24, No. 8, "LSSD Scan Technique", by Das Gupta, p. 4425 (1/1982).
Duforestel Guy G.
Lechaczynski Michel A.
Poiraud Clement Y.
Viallon Paul P.
Anderson Lawrence E.
Berray Robert W.
International Business Machines - Corporation
Williams Jr. Archie E.
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