User manual

Table Of Contents
MMP Controller Electronics (Rev C)
COM1
MOT
R
XPONDER
BATTERY
FREQUENCY ANALOGACM
CTD
Tattletale 8
Board (TT8)
AT8 Board
ATA Flash
Card
~0.5 Gbyte
Watchdog
Figure 3-6: Rev C MMP Controller Electronics Drawing
The top circuit board in the Rev C controller stack is an AT8 (PERAT8V2I), a product of
Persistor Instruments, Inc. (www.persistor.com). The AT8 is configured to support a full size
flash card (PCMCIA ATA) and communicates via PicoDOS software on the TT8v2 micro-
controller. The industrial quality flash card supports DOS/Windows file systems and provides
non-volatile solid-state storage for sensor and engineering data, deployment definition and status
information, and the MMP firmware. The installed flash card capacity is approximately 512 MB
(as of April 2003, SanDisk phased out 440 MB cards and replaced them with 512 MB cards).
NOTE
The 240Ah battery generates approximately 220 MB of MMP data.
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