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48 IMP2B 3U cPCI Single Board Computer
Publication No. IMP2B-0HH/5
A • Specifications
A.1 Technical Specification
Table
A-1 Technical Specification
Features
Details
Comments
System or
Peripheral slot
Support for up to 7 peripheral slots (four
at 66 MHz)
IMP2B detects a backplane signal to configure in System Slot or Peripheral Slot
mode
PowerPC Processor
Freescale MC7448
Clocked at up to 1.4 GHz
System Controller
Marvell ‘Discovery V’ MV64560
Combines a memory controller, two PCI-X interfaces and a range of
communications peripherals on a single chip
L2 Cache
7448 = 1 MByte with ECC
Runs at core speed
Main Memory
Up to 1 GByte of DDR2 SDRAM with ECC
Interfaces with the CPU via a 64-bit data bus running at 200 MHz
Flash Memory
Up to 256 MBytes
Interfaces with the CPU via a 16-bit data bus running at 133 MHz.
8 MBytes are allocated to Boot Flash and the remainder to User Flash
Non-volatile RAM
128 KBytes
Non-volatile storage for data that must not be lost when power is removed
Serial EEPROM
8 KBytes
Provided on the I
2
C bus as an optional location for MV64560 configuration data
Real-Time Clock
Time Of Day/Calendar
1 second resolution. No Battery Backup
Ethernet Interfaces
2 x 10/100BaseT ports or
1 x 10/100/1000BaseT port
MV64560 provides 1 or 2 Ethernet channels, accessed through the J2 connector
USB 2.0 Host Ports
OHCI/EHCI compliant
Individual, software enabled power controllers, 0.5 A each
Serial ports
2 x RS232/422 ports
MV64560 provides 2 serial channels, both software selectable to be RS232 or
RS422, asynchronous only
Discrete Digital I/O
4 bits, TTL-compatible
4 bits of GPIO, each bit being capable of generating an interrupt
Timers
4 x 32-bit timers
Provided by the MV64560. 7.5 ns resolution. Ability to cascade two timers to
provide a 64-bit timer
Watchdog Timer
Programmable 32-bit timer
Provided by the MV64560. 7.5 ns resolution. Two thresholds
Elapsed Time
Indicator
Quarter second resolution
Logs the total accumulated time the SBC has been powered, and the number of
power cycles
CompactPCI
Interface
32-bit, 33/66 MHz, 3.3 V signaling only (
not
5 V tolerant)
Compliant with PICMG 2.0, Rev 3.0 and conforms to the mechanical definitions
of VITA 30.1
PMC Site Interface
64-bit/133 MHz PCI-X
(
not
5 V tolerant)
Backwards compatible with PCI. Operates at 3.3 V signaling (VIO) only
DMA Controllers
6
Available in the MV64560 for efficiently moving large blocks of data
JTAG Interface
Rear I/O and test connector access
JTAG header provided for factory test and software debug purposes
(IMP2AJTAG adaptor card required for easy access)
Front Panel
Single width CompactPCI
Levels 1 to 5 and Level 9
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