UM82C11 MICRO-ELECTRONICS | Alldatasheet
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ee opepanrre ad DT ' 32Y6-/3- 4 eae UNITED MICROELECTRONICS 42 DE s32s8x2 cooosia 7 P| 7x3 aon ites . TFA - 33-2 Sacks UM82C014 Capacitance Keyboard Encoder (CKE) Roig FEATURES : cree PIN CONFIGURATION cane ™ 16x8 Matrix, can Build up to 128 Tp Key Capacitance Keyboard afaeg: 40 p Pros 2 Re. ® Single Chip with 16 Scan Drive 3| v20 ds she) af "4! 2p ie See Outputs and 8 Sense Inputs. 8) p21 a 37 x1 a) 2Q2 27 loc =a ® Two Types of Package. 28 Pin for 3] p22 ls spe | 3) Cfo 26 FF P23 | eg: 88 Key KB and 40 Pin for 128 Key ned? spre | Rl os 25 Fy p22 j roe Ae Ne. chy 34 B x4 ds 24 a1 | SN KB. noose s3pxs 15 eee ™ Keyboard Scanning and Encoding nc. qo ‘ apr}, OS ¢ 8A r20 ee er under Complete Control of the User's ce BP le 7 5 22) ate Rs Computer, Especially UM8048 HC. p die 2 whx (gs “se 8 21 2 proc hy = Single 5V Supply. dis Ho 1s % C8 & 21) x0 ; msi ™ High-speed CMOS Technology. g} qi 270 x1 x10 (J 10 wx eee ™ Serve as Easy Interface to uMB048. @J (3 18 ze xe xo 1 18 A 2 Soe : ™ New CMOS Sense Technology, CMOS 3] 1, diz 24 x16 xe (J 12 17D xs re Analog Sense Gircuit is Built in. 4} tg Gie 23 B x15 x7 C13 16D xa ee Byte Wide Sense, Higher Performance ("7 G18 0 22 Rr. xe 4 15 F xs Earee than Serial Sense Technology ss : 7 ne ™ Wide UM8048 Frequency Range, ee 1M to 11MHz UM8048 can be used. . oe OSE peso TET ab a EET nye iA aE STREET, a8 Shee PME OOPS NT 7 Ste 9 MORO ALR ee Sd eRe = . . ee ee UM82C1 4 Printer Adapter Interface (PAI) m=xamimner ee, Seong i Ga 3 = FEATURES PIN CONFIGURATION : Cre od pias @ Programmable Parallel Printer Interface x11 40 b vy, ee ™ TTL Compatible inputs/Outputs to Printer x2 q2 seat 5 a ® User-controlling Interrupt Request ook 3 38 B ao ; oe ™ High Driving Capability net ds oo Be j eee ™ 2-80 and 8088 Interface Capability iw de 36 bo ee 4 Ss © On-Chip Oscillator can be used to Generate 1.5 to oR 7 34 P P3 5 aes 20 MHz Oscillation” oR qe 23 B pa penne " vo do s 32 B Ps eae ® Single 5V Power Supply 01 dio 31 B pe ae otis ™ Silicon GateCMOS LSI. 2d 8 30 B P7 Bia D3 qi2 = 28 5 ERROR a es D4 is 28 fy sict eee os ta B re j ape 27 ; pratt os O15 26) ACK 7 — 07 ie 28 B Busy } ae tra O17 24 STROS q ne Si gis 23 AuTorD eine Sz q19 22 B int Se Vgg G20 21 Sit q pate a . ay gee 22