1e77
Abstract: UM8250B TH537 STi 5219 T-15 um8250
Contextual Info: UNICORN MICROELECTRONICS 24E D ^S7fl7fla D00Q711 T = = = = • i T - -7 £ ~ 2 1 - 0 G ~ U M 8 2 S 0 B Asynchronous Communication Elem ent ACE Feature ■ Adds or deletes standard asynchronous communication bits (start, stop, and parity) to or from a serial data
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127fl7flaum82s0bum8250bgqq072b+8-t-h5-37-05um8250bl44lplcc1e77th537sti 5219t-15um8250
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jumo tm
Abstract: tone pulse dialer M9126 television service mode manual mma inverter service manual integrated tone dialer 100S UM91265 DTMF and emergency RNS-D
Contextual Info: UNICORN MICROELECTRONICS • ■■ E4E D ■ ■■■■ ■ - Í57ñ7ññ QQQlHTì 2 ■ - e 5 S T ^F3 gp^ü - I S ' O ' Î ' O ' ? UM 91265 15 Memory Tone/Pulse Dialer Features ■ Tone/Pulse Switchable Dialer ■ Stores ten 16-dlgit numbers for repertory dialing
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um9126516-dlgit16-digit31-digit+10um9126sjumo tmtone pulse dialerm9126television service mode manualmma inverter service manualintegrated tone dialer100sdtmf and emergencyrns-d
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RB1002
Abstract: UM83C002 ST412HP UM83C001 127fl
Contextual Info: UNICORN MIC ROE LECTRONICS 54E D • ^76700 QGQQ37S *1 ■ UM83C002 Ü M Ö RAM Buffer Controller Features ■ ■ * ■ ■ ■ ■ ■ No lost RAM cycles for DMA break-in 3 DMA channels Host processor port Refresh circuit for dynamic RAM buiit-in RAM access priority network
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mcr 5102
Abstract: UM82C450 UM82C452 ib7a pin shourd SLTN 74LS245 UM82C451 scr mcr 525 UM82C4
Contextual Info: UNICORN MICR OEL ECTR ON ICS 24E D • =1276703 Q0QQS7Ö 1 T - l £ ~ 2 l - 0 £~ UM82C451 Parallel/Asynchronous Communication Element P R E L IM IN A R Y Features ■ IBM PC/AT compatible ■ UM82C450 with on-board Centronix printer interface ■ Completly pin-and upward-compatible with the dual
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um82c451um82c450um82c452mcr 5102+6ib7apin shourdsltn74ls245scr mcr 525um82c4
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RA57
Abstract: reset map UM587 80x25 037s m027 M021 M025 MD19 video graphic* controller
Contextual Info: UNICORN M I CROEL EC TR ON IC S 24E D “1 2 7 0 7 0 0 GDQQ23b b i T Ü M - Ç f r t t - q UM587 O VGA Controller p r e l im in a r y Features Provides 800 x 600 element high-rasolution graphics • Single chip VGA video graphics device fu lly compatible in the following systems:
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d0023bum587132-columnum687+10md31-md0ra57reset map80x25037sm027m021m025md19video graphic* controller
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UM82C11
Abstract: 82C11 cga video 6845 CRTC 6845 74ls20 pin diagram UM6845R cga video UM6845 82C11C logic diagram of 74LS245
Contextual Info: UNICORN MICROE LE CTRON ICS SHE D TS7fl7flö GGQ02SS t. • i s ^ ^ 5 .,. j a ^ s a UM 487 HCGA CONTROLLER PRELIM INARY Features ■ ■ ■ ■ ■ MGA Hercules and CGA compatible ■ Built-in 6845 CRTC ■ 64 K Bytes o f video memory Flicker-Free operation during CPU read/write
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um48774ls20a16to74ls245+1274ls374um487fum82c1182c11cga video 6845crtc 684574ls20 pin diagramum6845rcga videoum684582c11clogic diagram of 74ls245
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Microprocessor 8048
Abstract: 8048 encoder 8048 keyboard pin diagram of 8048 keyboard 8048 computer keyboard circuit diagram 8048 capacitive key 8048 microprocessor scan codes 8048 microprocessor
Contextual Info: UNICORN MI CR OEL ECT RONICS 24E D TE7fl7ôfl 0GQ0543 4 r - r a - s s -i s - UM82C01 Capacitance Keyboard Encoder CKÉ Features • 16x8 matrix, can build up to 128 key capacitance keyboard ■ Single chip with 16 scan drive outputs and 8 sense inputs ■ Two packages 28 pin for 88 key KB and 40 pin for
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0d00543r-ra-33-/5-um82c01um82c01microprocessor 8048+98048 encoder8048 keyboardpin diagram of 8048keyboard 8048computer keyboard circuit diagram8048capacitive key8048 microprocessor scan codes8048 microprocessor
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UM83C001
Abstract: ST-412 ESDI CRC-16 ST-506 BF 412 head Unicorn microelectronics um83c002 QIC-36
Contextual Info: UNICORN MICROELECTRONICS 5ME D •iaTÔTfifi 000Q355 3 i 3 srñ 2r T - s 'a - 3 2 -6 5 UM83C001 1=1 ¡ V I i Hard Disk Controller Features Sector options: SOFT, HARD, ESDI ADDRESS MARKS, ESDI BYTE and ESDI BYTE CLOCKS ■ Seriallzer-deserializer ■ Programmable track format
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000g355um83c001st-506st-412+9st-412hpqic-36um83cq0100037hesdicrc-16bf 412 headunicorn microelectronicsum83c002
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um82c211
Abstract: 74ls612 UM82C206 8254 cascading MC146818 DRC42 IR014 74612 52l33 S2 UMI
Contextual Info: UNICORN MICROELECTRONICS 5ME D • =1870700 0 0 0 0 7 3 0 3 ■ r - s - a - 2 2 - i s - UM82C206 INTEGRATED PERIPHERAL CONTROLLER I I F ully com patible w ith P C /A T a rc h ite c tu re 8 MHz DMA clock w ith p rogram m able interned divider for 4 MHz operation
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um82c20674ls612120nsa17-a23+8um82c2118254 cascadingmc146818drc42ir0147461252l33s2 umi
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UM83021
Abstract: 74LS629 8031 pin diagram ZA12 2A15 ST-506 UM83C022 ZA13 8031 driver Unicorn Microelectronics
Contextual Info: UNICORN MI CRO ELECTRONI CS H4E D TS7é7ññ OOQGMll 1 • :3 T -5 2 -23-62 UM83C022 AT HDC Interface PR ELIM INARY Features Buffer size 4k bytes Sector size 512 bytes 84-pin PLCC package ■ IBM PC/AT interface compatible ■ Jumper selectable for R LL/MFM disk interface
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um83c022st-506st-41284-pin+9st-506/412um8302174ls6298031 pin diagramza122a15za138031 driverunicorn microelectronics
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