User's Manual

PMAC VME Hardware Reference Manual
PMAC Basic Specifications 31
PMAC BASIC SPECIFICATIONS
Physical Specifications
Size
33.5cm x 9.9cm x 3.8cm (13.2" x 3.9" x 1.4") PMAC PC
33.5cm x 12.0cm x 1.3cm (13.2" x 4.7" x 0.5") PMAC Lite
23.4cm x 16.0cm x 3.8cm (9.2" x 6.3" x 1.4") PMAC VME
15.6cm x 11.4cm x 3.2/4.8cm (6.1" x 4.4" x 1.2/1.8") PMAC STD
Weight
0.5-0.7 kg (1.1-1.5 lb)
Temperature
Operating: 0
o
C to 60
o
C (32
o
F to 140
o
F)
Storage: -12
o
C to 82
o
C (10
o
F to 180
o
F)
Humidity
10% to 95%, non-condensing
Electrical Specifications
Power
1.5A @ +5V (+/-5%) (7.5W)
0.3A @ +12 to +15V (4.5W)
0.25A @ -12 to -15V (3.8W)
(Eight-channel configuration, with a typical load of encoders)
Battery
Not applicable to PMACs with Options 4A, 5A, or 5B
3.6V Lithium Cell, 1000 mAh, Can Stack Or 3.0V Lithium Cell, 1200 mAh, 2/3A-
size, no tabs (old style)
Expected battery life: 10 years (standard), 9 months (Opt 5)
Recommended replacement: 24 months (standard), 3-6 months (Opt 5)
Memory Specifications
ROM
(Standard, Option 5 only)
128 KBytes EPROM firmware for master control program
Flash
(Option 4A, 5A, 5B only):
512 KBytes segmented flash memory for both firmware and user program/parameter
storage.
RAM
384 KBytes Static (128K 24-bit words) for active memory;
Battery-backed (standard, Option 5)
Savable to flash memory (Option 4A, 5A, 5B)
One wait state (standard); zero wait states (Option 4A, 5, 5A, 5B)
User program storage: 42K 48-bit words = 252KBytes;
('X1000 Y1000' is 2 words)
EAROM
2KBytes EEPROM non-volatile memory for setup parameter storage (used only with
battery-backed RAM boards; not used even if present on flash-memory boards)
CPU Specifications
Type
Motorola DSP56002 (Option 4A, 5A, 5B)
Motorola DSP56001
Clock Speed
19.6608 MHz ("20 MHz": Standard, Option 4A)
39.3216 MHz ("40 MHz": Option 5A)
58.9824 MHz ("60 MHz": Option 5B)
Architecture
Harvard Architecture
Dual (X and Y) internal 24-bit data buses
Single external 24-bit data bus
Separate 24-bit internal program bus
56-bit data accumulator