BK Precision 844USB, User Manual

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Technical specification
HARDWARE
Base unit, DACs
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USB 2.0 high-speed compatible port, up to 480 Mbit/s transfer rate
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FPGA based IEEE 1284 slave printer port, up to 1MB/s transfer rate
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on-board intelligence: powerful microprocessor and FPGA based state machine
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three D/A converters for VCCP, VPP1, and VPP2, controllable rise and fall time
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VCCP range 0..8V/1A
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VPP1, VPP2 range 0..26V/1A
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selftest capability
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protection against surge and ESD on power supply input, parallel port connection
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banana jack for ESD wrist straps connection
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banana jack for connection to ground
Socket, pindriver
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48-pin DIL ZIF (Zero Insertion Force) socket accepts both 300/600 mil devices up to 48-pin
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pindrivers: 48 universal
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VCCP / VPP1 / VPP2 can be connected to each pin
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perfect ground for each pin
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FPGA based TTL driver provides H, L, CLK, pull-up, pull-down on all pindriver pins
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analog pindriver output level selectable from 1.8 V up to 26V
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current limitation, overcurrent shutdown, power failure shutdown
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ESD protection on each pin of socket (IEC1000-4-2: 15kV air, 8kV contact)
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continuity test: each pin is tested before every programming operation
ISP connector
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20-pin male type with missinsertion lock
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6 TTL pindrivers, provides H, L, CLK, pull-up, pull-down; level H selectable from 1.8V up to
5V to handle all (low-voltage including) devices.
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1x VCCP voltage (range 2V..7V/100mA)
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programmed chip voltage (VCCP) with both source/sink capability and voltage sense
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and 1x VPP voltage (range 2V..25V/50mA)
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target system supply voltage (range 2V..6V/250mA)
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ESD protection on each pin of ISP connector (IEC1000-4-2: 15kV air, 8kV contact)
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two output signals, which indicate state of work result = LED OK and LED Error (active
level: min 1.8V)
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input signal, switch YES! equivalent (active level: max 0.8V)
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