ds1992l-f5 Maxim Integrated Products, Inc., ds1992l-f5 Datasheet - Page 13

• Manufacturer Part Number: ds1992l-f5
• Description: 1kb/4kb Memory Ibutton
• Manufacturer: Maxim Integrated Products, Inc.

Figure 9. ROM FUNCTIONS FLOW CHART
S e rial N um b er
F am ily C o d e
D S 19 9X T X
D S 19 9X T X
D S 19 9X T X
R e ad R O M
C om m a n d
C R C B yte
6 B ytes
1 B yte
33 H
?
Y
N
M a s ter T X B it 63
M a s ter T X B it 0
M a s ter T X B it 1
M a tc h R O M
C o m m a nd
M atc h ?
M atc h ?
M atc h ?
B it 63
B it 0
B it 1
5 5H
?
Y
Y
Y
Y
N
N
N
N
N
N
N
F u nc tio n C om m an d
F u nc tio n C om m an d
13of 13
M as te r T X M em ory
D S 19 9 X T X B it 6 3
D S 19 9 X T X B it 6 3
M as te r T X B it 6 3
D S 19 9 X T X B it 0
D S 19 9 X T X B it 0
M as te r T X B it 0
D S 19 9 X T X B it 1
D S 19 9 X T X B it 1
M as te r T X B it 1
M as te r T X R O M
P re s e nc e P u ls e
D S 1 9 9X T X
S ea rc h R O M
R es et P u ls e
M a s te r T X
C o m m an d
M atc h ?
M a tc h ?
M a tc h ?
B it 6 3
B it 0
F 0H
B it 1
?
Y
Y
Y
Y
N
C o m m a nd
S k ip R O M
C C H
?
Y
N