Werbung
Interface
Parallel Interface
Control connector
IEEE1284-B Connector (D-sub 36-
pin)
Input: 5V (TTL) (max.)
Output: 5V (TTL) (max.)
Data transmission
8-bit, parallel, IEEE STD 1284-1994
Standard
Compatible, Reverse nibble, ECP
Logic level
TTL
Parallel Interface Connector Pin
Assignment
Pin
I/O
Compatible
1
I
nStrobe
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
I/O
8
I/O
9
I/O
10
O
nACK
11
O
Busy
12
O
Perror
13
O
Select
14
I
nAutoFd
15
16-17
18
O
Peripheral Logic High (pull up to +5V at 1kΩ)
19-30
31
I
nInit
32
O
nFault
33
34
35
36
I
nSelectIn
UP-D895 is compatible with the Compatible, Reverse
Nibble, and ECP Modes with the bi-directional parallel
interface (IEEE STD 1284-1994).
4
Specifications
Signal
Interface Mode
Nibble
ECP
HostClk
HostClk
Data1 (LSB)
Data2
Data3
Data4
Data5
Data6
Data7
Data8 (MSB)
PtrClk
PeriphClk
PtrBusy
PeriphAck
AckDataReq
nAckReverse
Xflag
Xflag
HostBusy
HostAck
Not defined
GND
GND
nInit
nReverseRequest
nDataAvail
nPeriphRequest
Not defined
Not defined
Not defined
IEEE 1284
IEEE 1284
Active
Active
USB Interface
Data transmission
Universal Serial Bus Specification Rev.
1.0 Standard
USB Interface Connector Pin Assignment
Pin I/O
Signal
VCC
I/O
–Data
I/O
+Data
Ground
The design and these specifications are subject to
change without prior notification.
Medical Specifications
Protection against electric shock:
Class I
Protection against harmful ingress of water:
Ordinary
Degree of safety in the presence of flammable
anesthetics or oxygen:
Not suitable for use in the presence
of flammable anesthetics or oxygen
Mode of operation:Continuous
Function
Cable power, Max. current
100mA
Data
Data, pull up to +3.3V through
a 1.5kΩ resistance
Cable ground
Werbung
