m24lr64-r STMicroelectronics, m24lr64-r Datasheet - Page 59

• Manufacturer Part Number: m24lr64-r
• Description: 64 Kbit Eeprom With Password Protection & Dual Interface 400 Khz I?c Serial Bus & Iso 15693 Rf Protocol At 13.56 Mhz
• Manufacturer: STMicroelectronics

M24LR64-R
17
17.1
17.2
17.3
17.4
M24LR64-R states
An M24LR64-R can be in one of 4 states:
●
●
●
●
Transitions between these states are specified in
diagram
Power-off state
The M24LR64-R is in the Power-off state when it does not receive enough energy from the
VCD.
Ready state
The M24LR64-R is in the Ready state when it receives enough energy from the VCD. When
in the Ready state, the M24LR64-R answers any request where the Select_flag is not set.
Quiet state
When in the Quiet state, the M24LR64-R answers any request except for Inventory requests
with the Address_flag set.
Selected state
In the Selected state, the M24LR64-R answers any request in all modes (see
Modes):
●
●
●
Power-off
Ready
Quiet
Selected
Request in Select mode with the Select_flag set
Request in Addressed mode if the UID matches
Request in Non-Addressed mode as it is the mode for general requests
and
Table 22: M24LR64-R response depending on
Doc ID 15170 Rev 9
Figure 49: M24LR64-R state transition
Request_flags.
M24LR64-R states
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