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Catalog Datasheet	Type	Document Tags	PDF
UPD70280 Abstract: Ly-13 Contextual Info: PRELIMINARY DATA SHEET NEC MOS INTEGRATED CIRCUIT ELECTRON DEVICE /¿PD70280 V51 16-BIT MICROPROCESSOR DESCRIPTION The /iPD70280 V51 is a 16-bit m icro p ro c e s s o r c o n ta in in g a CPU e q u iva le n t to the/zPD70116H (V30HL™) and p e rip h e ra l fu n c tio n s fo r th e PC/XT™ on a sin g le chip.	OCR Scan	V51TM 16-BIT uPD70280 uPD70116H V30HLTM) iPD70280 /xPD70116H xPD70270 V41TM) Ly-13	PDF
uPD70280 Contextual Info: /IPD70280 NEC 5. PRELIMINARY ELECTRICAL SPECIFICATIONS 5.1 WHEN SUPPLY VOLTAGE Voo = 5 V±10% Absolute Maximum Rating Ta = 25°C Param eter Conditions Sym bol Rating Units -0 .5 to +7.0 V -0 .5 to V dd+0.3 V -0 .5 to V dd+1.0 V -0 .5 to V dd +0.3 V Pow er supply	OCR Scan	uPD70280 PD70280 MA0-MA10 ADO-AD15 D0-D15	PDF
uPD70280 Abstract: uPD70116 Contextual Info: PRELIMINARY DATA SH EET NEC MOS INTEGRATED CIRCUIT ELECTRON DEVICE ¿¿PD70280 V51 16-BIT M ICROPROCESSOR DESCRIPTION ThejiPD 70280 V51 is a 16-bit m icroprocessor containing a CPU equivalent to the ¿iPD70116H {V30HL™)and peripheral functions for the PC/XT™ on a single chip.	OCR Scan	V51TM 16-BIT uPD70280 uPD70116H V30HLTM) PD70280 PD70270 V41TM) iPD70280, uPD70116	PDF
upd70280 Contextual Info: SEC 4. /1PD70280 INSTRUCTION SET Table 4-1 Sym bol reg Operand Types Meaning 8/16-bit general-purpose register Destination register, when instruction-uses two 8/16-bit general-purpose registers reg' Source register, when instruction uses tw o 8/16-bit general-purpose registers	OCR Scan	uPD70280 mem16 mem32 ptr16 emptr32 regptr16 8/16-bit 16-bit	PDF
uPD70280 Contextual Info: NEC / PR ELIM IN A RY DATA S H E E T MOS INTEGRATED CIRCUIT ELECTRON DEVICE uPD70280 V51 16-BIT M IC R O P R O C E S S O R DESCRIPTION The //PD70280 V51 is a 16-bit m icroprocessor containing a CPU equivalent to the /iPD70116H (V30HL™) and peripheral functions for the PC/XT™ on a single chip.	OCR Scan	uPD70280 16-BIT //PD70280 /iPD70116H V30HLâ /iPD70280 /iPD70116H /iPD70270 jiPD70280,	PDF
uPD70280 Abstract: nec 314 bcg 39 PD71059 Contextual Info: juPD70280 SEC 3. INTERNAL PERIPHERAL UNIT FUNCTIONS 3.1 CPU Th e CPU is functionally equivalent to the /iPD70116H V30HL . Although its hardw are functions are partly changed due to restrictions of use of the buses by other internal peripheral units, all softw are functions are	OCR Scan	uPD70280 /iPD70116H V30HL) iPD70116H. //PD70280 //PD70280 iPD70280 00000H nec 314 bcg 39 PD71059	PDF
0022H-0025H Abstract: uPD70280 Contextual Info: //PD70280 SEC 2. 2.1 M E M O R Y A N D I/O CO NFIGURATIO N M E M O R Y M A P P IN G T h e m e m o rie s connected to the tw o b u se s S D bus, A D bus o f the ¿(PD 70280 are m a n a g e d by the m e m o ry control unit (M C U ). Fig. 2*1 s h o w s the m a p p in g fo r the S D b u s a n d the A D bus.	OCR Scan	uPD70280 80000H 00000H PD70280 0022H-0025H	PDF
uPD70270 Contextual Info: SEC PRELIMINARY DATA SHEET MOS INTEGRATED CIRCUIT ELECTRON DEVICE ¿ tP D 70270 V41 16/8-BIT MICROPROCESSOR DESCRIPTION The //PD70270 V41 is a 16/8-bit microprocessor containing a CPU equivalent to the /iPD70108H (V20HL1“) and peripheral functions for the PC/XT™ on a single chip.	OCR Scan	16/8-BIT //PD70270 /iPD70108H V20HL1 /iPD70270 /iPD70108H /iPD70280 /iPD70270, 16-bit uPD70270	PDF