IC-RMF Datasheet, PDF (1/5 Pages) IC-Haus GmbH – NONVOLATILE FRAM MEMORY

iC-RMF (MB85RDP16LXC)
NONVOLATILE FRAM MEMORY
FEATURES
• Energy efficient interface to iC-PMX
(Energy Harvesting multiturn counter/encoder)
• Runt pulse tolerant counting algorithm
• R/W access through SPI interface
• 2048 byte FRAM memory
• Based on Fujitsu* MB85RDP16LXC
• Extended temperature range of -40 °C up to 125 °C
(C label = selected process lots)
preliminary
Rev A4, Page 1/5
APPLICATIONS
• Energy Harvesting
multiturn encoder
• Absolute linear encoder
• Period counters
• Gas meters
• Liquid flow meters
PACKAGES
*Fujitsu = registered trademark of Fujitsu Semiconductor Limited
B_•LOCK DIAGRAM
W iegand
Module
Coil around
Wiegand Wire
W1
Active
W2 ^Rectifier
Switched
Current
Ramp
CP
CD
CN
Phase-
sequence
Hall Switch
B
-
+
Voltage
Regulator
iC-PMX
Temp Module
??? C
Resistance
Thermometer
(PT1000)
+5V
A/D
PTP Converter
PTS
PTN
Brownout
Protection
VCC
Low Noise
Hall Sensors
B
B
B
B
VDD
CB
GND
HON HOP
dra_son8-2x3-1_pack_2, 6:1
SON8
3 mm x 2 mm x 0.75 mm
RoHS compliant
VW C
V3
CVW C
VRAM
ADJ
C3
C2
C1
C0
MOSIR
SCKR
NRSTR
NCSR
MISOR
VUP
VUP
VDD
iC-RMF
NWP
SI
SCK
NRST
NCS
SO
SPI SLAVE
COUNTER
LOGIC
2048 BYTE FRAM
VSS
NCS
SCK
MISO
MOSI
SH
RDY
MCU
A/D converter
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http://www.ichaus.com