DS1921 DALLAS [Dallas Semiconductor], DS1921 Datasheet - Page 28

• Manufacturer Part Number: DS1921
• Description: High-Resolution Thermochron iButton
• Manufacturer: DALLAS [Dallas Semiconductor]

ROM FUNCTIONS FLOW CHART Figure 13-2
From Figure 13
From Figure 13
To Figure 13
To Figure 13
1
1
1
1
st
st
st
st
Part
Part
Part
Part
3)
ROM?
CCH
Skip
Always to be transmitted at Overdrive speed.
Y
N
Y
28 of 44
Reset Pulse?
Skip ROM?
Master TX
Overdrive
OD = 1
3CH
Y
N
N
Master TX Bit 0
Master TX Bit 1
Master TX Bit 63
Bit 63 Match?
Bit 0 Match?
Bit 1 Match?
Overdrive
Match?
OD = 1
69H
Y
Y
Y
Y
3)
N
3)
3)
N
N
N
DS1921H/Z