Specifications

EPC-6A Hardware Reference
2
Specifications
This table defines the power and environmental specifications of the EPC-6A.
Table 1-1. Specifications
EPC-6A Hardware Features
Intel 486DX2 CPU at 66MHZ (internal clock speed); external bus speed at 33MHz.
8KB On-Chip Cache
Integrated Floating Point Unit (DX2 option only)
RadiSys R400EX highly integrated single chip system controller
4 MB dual ported DRAM on board
Two PC compatible serial ports with 16-Byte FIFO (only one is brought out to
the faceplate)
1MB of application flash memory
128K x 8Bit of battery-backed SRAM
Keyboard port
Seven-segment display
Characteristic Value
Temperature operating 0 – 60°C ambient
storage –40 – 125°C (without battery; 85°C max with battery
Humidity operating 0 – 90% noncondensing
storage 0 – 95% noncondensing
Altitude operating 0 – 10,000 ft. (3000 m)
storage 0 – 50,000 ft. (15,000 m)
Vibration operating 0.015 inch (0.38 mm) P-P displacement with 2.5 g peak
(max) acceleration over 5–2000 Hz
storage 0.030 inch (0.76 mm) P-P displacement with 5.0 g peak
(max) acceleration over 5–2000 Hz
Shock operating 30 g, 11 ms duration, half-sine shock pulse
storage 50 g, 11 ms duration, half-sine shock pulse
Current typical 5V @ 3.4A, 12V @ 5 mA, –12V @ 10 mA
VME master address A16, A24
master transfer D08(EO), D16, RMW
slave address A16, A24
slave transfer D08(EO),D16,RMW
interrupter (1–7)
interrupt handler D08(O),D16 IH(1–7)
requester ROR,RONR
arbiter RRS,PRI
system controller SYSCLK, IACK daisy chain, bus timer
VXI device type message based
protocols cmdr/master/interrupter