Motorola CPCI-6115 Manuel de service Page 91

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Functional Description
CPCI-6200 Installation and Use (6806800J66C)
91
4.17 RTC Battery
The CPCI-6200 provides onboard battery clips for holding a coin cell type battery. The clips
allow for the quick and easy replacement of a 3 V button cell lithium battery (CR2430), which
provides back-up power to the onboard M41T83 real-time clock (RTC). A battery switching
circuit that is built into the RTC provides automatic switching between the 3.3 V and battery
voltages. The battery is capable of providing backup power to the RTC for up to 12 years at
nominal temperature.
For information on replacing the battery, see Replacing the Battery on page 179.
4.18 IPMI Controller
The CPCI-6200 uses the Renesas 16-bit microcontroller H8S/2166 as IPMI controller. The
controller has the following features:
115 I/O ports
Eight-channel analog-to-digital converter
Six I
2
C bus
Three serial ports
512 KB flash memory
40 KB SRAM
USB
3
PCI4_RST_N Tsi381 1 ms 1.35 ms
CPCI
Backplane
Reset
3
PCI_BP_RST_N CPCI CPLD 1 ms 1.35 ms
Flash A
1
FRESET_N Reset CPLD 500 ns 125 μs
1. With MotLoad reset command
2. PCI Specification
Table 4-5 Reset Timing Requirements (continued)
Device Reset Signal Source of Reset
Minimum Reset
Time
Actual Reset
Time
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