M24LR16E-RMC6T/2 STMicroelectronics, M24LR16E-RMC6T/2 Datasheet - Page 28
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M24LR16E-RMC6T/2
Manufacturer Part Number
M24LR16E-RMC6T/2
Description
EEPROM 16kB EEPROM Dual INT 400 kHz IC2 13.56MHz
Manufacturer
STMicroelectronics
Datasheet
1.M24LR16E-RMC6T2.pdf
(143 pages)
Specifications of M24LR16E-RMC6T/2
Product Category
EEPROM
Rohs
yes
Memory Size
16 Kbit
Organization
512 x 32
Data Retention
40 yr
Maximum Clock Frequency
13.56 MHz
Maximum Operating Current
400 uA
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
UFDFPN-8
Interface Type
2-Wire
Minimum Operating Temperature
- 40 C
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If a bad RF command is received, the RF WIP/BUSY pin is tied to 0 from the RF command
SOF until the reception of the RF command CRC. Otherwise, the RF WIP/BUSY pin is in
high-Z state.
When tied to 0, the RF WIP/BUSY signal returns to High-Z state if the RF field is cut-off.
During execution of I²C commands, the RF WIP/BUSY pin remains in high-Z state.
When bit 3 of the Configuration byte is set to 1, the RF WIP/BUSY pin is configured in RF
Write in progress mode.
The purpose of this mode is to indicate to the I²C bus master that some data have been
changed in RF mode.
In this mode, the RF WIP/BUSY pin is tied to 0 for the duration of an internal write operation
(i.e. between the end of a valid RF write command and the beginning of the RF answer).
During execution of I²C write operations, the RF WIP/BUSY pin remains in high-Z state.
Energy harvesting configuration
The M24LR16E-R features an Energy harvesting mode on the Vout analog output.
The general purpose of the Energy harvesting mode is to deliver a part of the non-
necessary RF power received by the M24LR16E-R on the AC0-AC1 RF input in order to
supply an external device. The current consumption on the analog voltage output Vout is
limited to ensure that the M24LR16E-R is correctly supplied during the powering of the
external device.
When the Energy harvesting mode is enabled and the power delivered on the AC0-AC1 RF
input exceeds the minimum required P
limited and unregulated voltage on the Vout pin, assuming the current consumption on the
Vout does not exceed the I
If one of the condition above is not met, the analog voltage output pin Vout is set in High-Z
state.
For robust applications using the Energy harvesting mode, four current fan-out levels can be
chosen.
The sink current level is chosen by programming EH_cfg1 and EH_cfg0 into the
Configuration byte (see
The minimum power level required on AC0-AC1 RF input P
voltage Vout, as well as the maximum current consumption I
corresponding to the <EH_cfg1,EH_cfg0> bit values are described in
Table 14.
1. Bit 7 to Bit 4 are don’t care bits.
E2=1
I
2
C byte address Bit 7 Bit 6 Bit 5 Bit 4
RF Write in progress
Vout sink current configuration
2320
Configuration byte
X
(1)
Table
X
(1)
sink_max
Doc ID 018932 Rev 8
14).
X
(1)
maximum value.
X
(1)
AC0-AC1_min
RF WIP/BUSY
Bit 3
, the M24LR16E-R is able to deliver a
AC0-AC1_min
sink_max
EH_mode EH_cfg1 EH_cfg0
Bit 2
on the Vout pin
Table
, the delivered
BIT 1
126.
M24LR16E-R
BIT 0
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