PPM-C412/Configuration
v1.0
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Page 24
7.10 Real-time Clock/Calendar
A real-time clock is used as the AT-compatible clock/calendar. It supports a number of
features including periodic and alarm interrupt capabilities. In addition to the time and
date-keeping functions, the system configuration is kept in CMOS RAM contained
within the clock section. A battery must be enabled for the real-time clock to retain time
and date during a power down.
7.11 SP1 Speaker
An on-board speaker, SP1, is available for sound generation.
7.12 Connectors
7.12.1 J1 SATA PWR SATA Power Connector
Layout and Pin Reference
Connectors
•
PCB connector: Molex 22-11-2042 (SATA PWR)
•
Mating connector: Molex 39-01-2105 (housing)
•
Mating connector: Molex 08-55-0101 (crimp)
Table 15:
Timeout values
Port Address
Value
Reset Interval
1D0
00h Disabled
01h
Enabled 1.5 Sec
1D8H
Any
Reset timer
Pin
Name
1
+5V
2
GND
3
GND
4
+12V