FM6124 Ramtron Corporation, FM6124 Datasheet - Page 3

• Manufacturer Part Number: FM6124
• Description: Event Data Recorder With F-ram
• Manufacturer: Ramtron Corporation

FUNCTIONAL BLOCKS
The functional block diagram of the FM6124 is represented in the figure below. The FM6124 combines the
following:
Rev. 4.0 (EOL)
July 2010
•
•
•
•
•
•
12 input pins individually configurable for Event recording
Event Buffer memory for event storage implemented as F-RAM
User accessible F-RAM memory
User Accessible Real time clock (RTC) with alarm
MCU companion features such as Event counter, Watchdog Timer, Power Fails Input/Output and
programmable serial number
I
Event Recorder/MCU Companion (0xD0)
VBAK
2
RSTB
IN10
IN11
VDD
C communication interface supporting two device IDs: one for User-F-RAM (0xA0) and one for
CNT
IN0
IN1
IN2
IN4
IN5
IN6
IN8
IN9
SDA
IN3
IN7
SCL
A0
A1
V
SW
Event Recorder Comfiguration
Nonvolatile
Interface
Events Detection and Time
I2C
+
-
Stamping Unit
Registers
Event Recorder
F-RAM Access
RTC & MCU
companion
Switched
Sorting Unit
Functions
Features
Power
I2C ID
F
+
ManualReset
IGURE
Battery Backed
Watchdog
LV Detect
1. FM6124 B
NV/BB User Programmable
RTC Calibration
LOCK DIAGRAM
Battery Backed Event Counter
Adjustable boundary 0KB – 24KB
Event Retrieval Registers
MCU Companion Features
Events Recording
RTC Registers
Serial Number
F-RAM based
F-RAM Zone
User Data
Registers
Buffer
RTC
1.5V
512Hz/SqW
Alarm
Alarm
+
-
32KB
0KB
PFO
PFI
X1
X2
ACS
32.768KHz
External,
supplied
Crystal
User
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