Interface & interface board specifications – Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi User Manual
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1. Overview
I. HARDWARE GUIDES
I-6
Personal488 User’s Manual, Rev. 3.0
Interface & Interface Board Specifications
Note 1: The IOT7210 IEEE 488 Controller Chip is 100% compatible with the NEC
µPD7210 chip
and exhibits better performance, as well as lower power consumption.
Note 2: Specifications subject to change without notice.
IEEE 488.1-1987 Interface
SH1, AH1, T6, TE0, L4, LE0, SR1, PP0, RL0, DC1, DT1, E1/2
Controller Subsets: C1, C2, C3, C4 and C9
Terminator: Software selectable characters and/or
EOI
Connector: Standard Amphenol 57-20240 with metric studs
IEEE 488.2-1987 Interface
IEEE 488 Bus Readback Registers:
NDAC
,
NRFD
,
DAV
,
EOI
,
SRQ
Bus Error Handling
GP488B Interface Board
IEEE 488 Controller Device: IOT7210 (See Note)
Power Consumption: 750mA max @ 5V from PC supply
Dimensions: Occupies one short PC slot size (5.25" long, plus IEEE 488 connector)
Speed: 8-bit DMA: 330K byte/s (reads); 220K byte/s (writes)
Environment: 0 to 50
° C, 0 to 95% RH, non-condensing
DMA Capability: 8-bit on channels 0 - 3
Interrupt Capability: IRQ 2 - 7
I/O Base Address:
&H02E1
,
&H22E1
,
&H42E1
, or
&H62E1
AT488 Interface Board
IEEE 488 Controller Device: IOT7210 (See Note)
Power Consumption: 750mA max @ 5V from PC supply
Dimensions: Occupies one short PC slot size (5.25" long, plus IEEE 488 connector)
Speed: 16-bit DMA: 1M byte/s (reads); 800K byte/s (writes).8-bit DMA: 330K byte/s (reads); 220K
byte/s (writes)
Environment: 0 to 50
° C, 0 to 95% RH, non-condensing
DMA Capability: Channels 1 - 3 (8 - bit) are selectable in a PC/XT or PC/AT.Channels 0 - 3 (8 - bit)
and 5 - 7 (16 - bit) are selectable in a PC/AT. Multiple AT488 boards may share the same DMA
channel.
Interrupt Capability: IRQ 2 - 7 for PC/XT, IRQ 2 - 7, 9, 10 - 12, 14, or 15 for PC/AT 16-bit slot
I/O Base Address:
&H02E1
,
&H22E1
,
&H42E1
, or
&H62E1
MP488 Interface Board
IEEE 488 Controller Device: IOT7210 (See Note)
Power Consumption: 2A max @ 5V from PC supply
Dimensions: Occupies one 16-bit PC/AT full slot or 8-bit PC/XT full slot. Fits in PC/ATwith low
PC/XT form-factor. 13.13" long x 3.9" high (333mm x 99mm).
Speed: 16-bit DMA: 1M byte/s (reads); 800K byte/s (writes).8-bit DMA: 330K byte/s (reads); 220K
byte/s (writes)
Environment: 0 to 50
° C, 0 to 95% RH, non-condensing
DMA Capability: Channels 1-3 (8-bit) are selectable in a PC/XT or PC/AT.Channels 0-3 (8-bit) and
5-7 (16-bit) are selectable in a PC/AT. Multiple MP488 boards may share the same DMA channel.
Interrupt Capability: IRQ 2-7 for PC/XT, IRQ 2 - 7, 9, 10 - 12, 14, or 15 for PC/AT 16-bit slot
I/O Base Address:
&H02E1
,
&H22E1
,
&H42E1
, or
&H62E1
Digital I/O: 40 digital I/O lines; 24 configurable as input or output, 8 fixed input,and 8 fixed output
lines.