Citizen Systems CBM-910 Type II user manual Electrical Characteristics

Page 29

5.4Electrical Characteristics

(1)Input signal level

All inputs are HCMOS level. As the input side is pulled up with a resistance of 3.3 k, it can be used at TTL level.

TTL Level

HCMOS Level

“HIGH” level: 2.0 V MIN

“HIGH” level: 4.0 V MIN

“LOW” level: 0.8 V MAX

“LOW” level: 1.0 V MAX

(2)Output signal level

Output signal level is held at TTL.

(3)I/O conditions

 

< HOST SIDE >

< PRINTER SIDE >

 

 

VCC

 

 

 

 

3.3k

(HC04 or equivalent)

DATA

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

 

 

 

3.3k

100

(HC04 or equivalent)

STB

 

 

 

 

102

471

 

VCC

 

 

RESET

3.3k

 

(HC04 or equivalent)

 

 

 

 

 

104

 

OUTPUT SIGNAL

VCC

 

 

ACK BUSY P.N.E.

3.3k

 

(HC04 or equivalent)

 

 

— 25 —

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Contents DOT Matrix Printer Weee Mark Page Declaration of Conformity General Precautions Safety Precautions -WHICH should be Strictly Observed Page Precautions for Installation Precautions for Handling Table of Contents External Dimensions Introduction FeaturesAccessories AC Adapter TypeCBM-910II-24 CBM-910II-40 SpecificationsExternal Appearance External Appearance and Part DescriptionsOFF Part DescriptionsConnection of the AC Adapter OperationsSetting of the Printer Cover Setting Ribbon Cassettes Setting Paper Special Remarks Concerning Paper Self-Printing Function Japan 910JPN Memory Switch SettingUSA = U.S.A Paper-Near-End, Mechanical Alarm, Memory Error General Remarks Parallel Interface Connector Pin AssignmentPin Signal Name Description of Input/Output Signals Electrical Characteristics Serial Interface Host-Printer Pin Signal Name Signal Direction Function RS-232CDTR Data Terminal Ready Description of Input/Output SignalTTL circuit Input Reset Receiving Control and Buffering Error DetectionSwitch No Function DIP Switch SettingFactory Setting Switch No Parity Baud Rate Factory SettingParallel Interface Type List of Control Codes Symbol Code Function CBM910 IDP3110 HexadecimalPrint Control Function Control Code Details Abcd Page Character Code Table CountryESC Page FF FF FF FF FF FF For 40-column model 3110 emulation Page Model 123 CR Function Content of Setting Ascii + 910 Emulation International 910 Emulation Japan Character Code TableCodepage PC437 USA, Standard Europe Katakana Codepage PC858 Multilingual Codepage PC860 Portuguese Codepage PC863 Canadian-French Codepage PC865 Nordic Codepage PC852 Eastern Europe Codepage PC866 Russian Codepage PC857 Turkish Codepage WPC1252 Windows Latin1 Codepage PC864 Arabic Codepage PC869 Greek International Character Code Table External Dimensions Page
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