1. OUTLINE
EO10-33013A
1.5 ELECTRONICS SPECIFICATIONS
1- 9
l
Interface circuit
Input circuit
Output circuit
Signal level
Input voltage: "H" .. +3V~ + 15V
Output voltage: "H" .. +6V ~ +13V
"L" ... –3V~ – 15V
"L" ... –6V ~ –13V
(2) Centronics interface
c
Data input method:
8-bit parallel (DATA 1~8)
d
Control signals
Compatibility mode: nStrobe, nAck, Busy, PError, Select, nAutoFd, nInit, nFault, nSelectIn
ECP mode:
HostClk, PeriphClk, PeriphAck, nAckReverse, XFlag, HostAck,
nReverseRequest, nPeriphRequest, IEEE1284Active
e
Data input code:
ASCII, JIS 8-bit code for European characters, 8-bit code for graphic
f
Receiving buffer:
1MB
g
Input/Output circuit configuration and Input/Output conditions
Type
Signal Name
Configuration
Input/
Output
Data 1
∼
8
Input
nStrobe/HostClk
nInit/nReverseRequest
nAutoFd/HostAck
nSelectIn/IEEE1284Active
Output
Busy/PeriphAck
nFault/nPeriphRequest
nAck/PeriphClk
Select/XFlag
PError/nAckReverse
Logical level (input)
"1" = 2~5V
"0" = 0~0.4V
Logical level (input)
"1" = 2.4~5V
"0" = 0~0.4V
RD
CTS
DSR
SN75189 or equivalent
TD
RTS
DTR
SN75188 or equivalent
SN74LS14 or equivalent
1K
+5V
SN7406 or equivalent
+5V
1K
100P
SN74LS14 or equivalent
1K
+5V
100P
Summary of Contents for B-SX4T Series
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