參數(shù)資料
型號: PCI-PIO
英文描述: KARTE E/A 48 KANAL PCI BUS
中文描述: KARTE E / A值48卡納爾PCI總線
文件頁數(shù): 21/24頁
文件大小: 81K
代理商: PCI-PIO
Chapter 4
Technical Specifications
Page 15
Blue Chip Technology Ltd.
01270187.doc
Page 15
CHAPTER 4
TECHNICAL SPECIFICATIONS
Number Of I/O Channels:
48 arranged as 2 x 3 x 8 I/O bits
Signal Levels:
5 Volt TTL Logic Levels
Outputs:
Logic Low Level:
Logic High Level:
0 Volts (min.) - 0.4 Volts (max.) @ I
OL
= 2.5mA
3.5 Volts (min.) - 5 Volts (max.) @ I
OH
= -400
μ
A
Drive Current:
2.5 mA. (Logic Low) Vout = 0.4 Volts
-400
μ
A (Logic High) Vout = 3.5 Volts
Input Loading:
-10
μ
A (Logic Low)
+10
μ
A (Logic High)
Counter/timers:
3 x 16 Bit.
Counter/timers 0,1 and 2 may be cascaded to
provide a single 48 bit Counter/timer.
All Counter/timers may be clocked externally at a
maximum rate of 4 MHz.
On board Oscillator:
Frequency 4MHz.
Stability
100ppm 0 - 70
C
Interrupt Sources:
Register selectable to 3 Counter/timer outputs, and
4 PIO handshake control lines.
Interrupt Levels Supported: All PCI interrupts
Address Overhead:
16 contiguous addresses in 16 byte block
Board Power Requirement:
+5 Volts, 1.2 W maximum
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