NEC 70216 Search Results

UPD70208H

Contextual Info: NEC ¿¿PD70208H, 70216H CONTENTS 1. PIN FUNCTIONS. 15 1.1 1.2 15 17 LIST OF PIN FUNCTIONS.

Contextual Info: NEC ,uPD70208, 70208 A , 70216, 70216 (A) CONTENTS 1. PIN FUNCTIONS. 14 1.1 LIST OF PIN FUNCTIONS.

Contextual Info: NEC A/PD70216 V50 16-Bit Microprocessor: High-Integration, CMOS NEC Electronics Inc. Description The /uPD70216 (V50T“) is a high-performance, lowpower 16-bit microprocessor integrating a number of commonly-used peripherals to dramatically reduce the size of microprocessor systems. The CMOS construc­

PD70116

Abstract: PD71071C D71071 PD71071
Contextual Info: NEC ¿/PD71071 DMA Controller NEC Electronics Inc. Description The //PD71071 is a high-speed, high-perform ance d ire ct m em ory access DM A c o n tro lle r that provides high-speed data transfers between peripheral devices and m em ory. A program m able bus w id th allow s

Contextual Info: NEC . j j P D 7 10 7 1 NEC Electronics Inc. dm a c o n t r o lle r April 1987 Pin Configurations Description T he //PD71071 is a high-sp eed , h ig h -p e rfo rm an ce d ire ct m em ory a c c e s s D M A co n tro lle r that provides high -sp ee d data transfers between peripheral devices

uPD70216

Abstract: PD70208GF
Contextual Info: NEC /¿PD70208, 70208 A , 70216, 70216 (A) 18. RECOMMENDED SOLDERING CONDITIONS * This product should be soldered and mounted under the conditions recommended in the table below. For the details of recommended soldering conditions for the surface mounting type, refer to the information document

d71071

Abstract: d70208 nec 529a MPD71071 UPD71071 70216 nec 70216 PD70208 D70116 d71071c
Contextual Info: NEC NEC Electronics Inc. jj P D 7 10 7 1 dm a c o n t r o lle r April 1987 D escriptio n Pin C o n fig u ratio n s The >uPD71071 is a high-speed, high -p e rfo rm a n ce d ire c t m em ory access D M A c o n tro lle r th a t provides high-speed data transfers between peripheral devices

Contextual Info: NEC /¿PD70208, 70208 A , 70216, 70216 (A) - NOTES FOR CMOS DEVICES-0 PRECAUTION AGAINST ESD FOR SEMICONDUCTORS Note: Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and ultimately degrade the device operation. Steps must

D70216

Abstract: PD70208H-12 UPD70208H uPD70216 MPD70216 PD70208H
Contextual Info: NEC /¿PP70208H, 70216H 16. ELE C TR IC A L S P E C IFIC A TIO N S •Applied s ta n d a rd -The electrical characteristics shown below are applied to devices other than the old models conform ing

Contextual Info: NEC li PP70208H, 70216H 8. REFU REFRESH CONTROL UNIT The REFU generates refresh cycles required for refreshing of external D R AM . Refresh enabling/disabling and the refresh interval can be set programmably. 8.1 FEATURES • Lowest-priority refreshing/highest-priority refreshing

nec v50

Abstract: nec 70216 00000H
Contextual Info: /¿PD70208,70208 A , 70216,70216 (A) NEC 2. MEMORY AND I/O CONFIGURATION 2.1 MEMORY SPACE The V40 and V50 can access a 1M-byte (512K-word) memory space. Figure 2-1. Memory Map FFFFFH Reserved FFFFCH FFFFBH Dedicated FFFFOH FFFEFH General Use 00400H 003FFH

UPD70208H

Abstract: uPD70216H
Contextual Info: NEC /¿PD70208H, 70216H 2. MEMORY AND I/O CONFIGURATION 2.1 MEMORY SPACE The V40HL and V50HL can access a 1M-byte 512K-word memory space. Fig. 2-1 Memory Map FFFFFH Reserved FFFFCH FFFFBH Dedicated FFFFOH FFFEFH General Use 00400H 003FFH Interrupt Vector Table

uPD71071

Contextual Info: NEC ¿¿PP70208H, 70216H 12. DMAU DMA CONTROL UNIT The DMAU has 4 DMA channels, and provides the functions (subset) o f tw o LSIs, the /iPD71071 and //PD71037. 12.1 FEATURES • Two operating modes (pPD71071 mode, /iPD71037 mode) • 20-bit address register

Contextual Info: NEC //PD70208,70208 A , 70216,70216 (A) 10. SCU (SERIAL CONTROL UNIT) The SCU performs control of serial communication (asynchronous). Its functions are a subset of the /¿PD71051 excluding synchronous communication. Also, what was the control word register in the /¿PD71051 has been divided into two: a

Contextual Info: NEC /¿PD70208, 70208 A , 70216,70216 (A) 8. REFU (REFRESH CONTROL UNIT) The REFU generates refresh cycles required for refreshing of external DRAM. Refresh enabling/disabling and the refresh interval can be set programmably. 8.1 • • • FEATURES Lowest-priority refreshing/highest-priority refreshing

UPD70208H

Contextual Info: MPD70208H, 70216H NEC 11. ICU INTERRUPT CONTROL UNIT The ICU arbitrates among up to 8 interrupt requests {maskable interrupts) generated inside and outside the V40HL and V50HL, and transfers one o f them to the CPU. The ICU functions com prise the functions of the V40HL and V50HL

UPD70208H

Abstract: V40HL PD70208H
Contextual Info: NEC ¿¿PD70208H, 70216H 15. INSTRUCTION SET Table 15-1 Operand Type Legend Description Identifier reg 8/16-bit general register destination register in an instruction using tw o 8/16-bit general registers reg' Source register in an instruction using tw o 8/16-bit general registers

uPD71054

Contextual Info: NEC /JPP70208H, 70216H 9. TCU TIMER/COUNTER UNIT The TCU incorporates 3 counters, and can be used as a timer, event counter, rate generator, etc. Functionally it is a subset of the //PD71054. 9.1 FEATURES • 3 x 16-bit counters • S ix programmable count m odes

uPD71051

Contextual Info: NEC /¿PP70208H, 70216H 10. SCU SERIAL CONTROL UNIT The SCU perform s control of serial com m unication (asynchronous). Its functions are a subset o f the /iPD71051 excluding synchronous com m unication. Also, w hat was the control w ord register in the /iPD71051 has been divided

nec v40

Contextual Info: NEC /¿PD70208, 70208 A , 70216, 70216 (A) 4. CG (CLOCK GENERATOR) The CG generates a clock at a frequency of 112 that of the crystal and oscillator connected to the X1 and X2 pins, supplies it as the CPU operating clock and outputs it externally as the CLKOUT pin output.

Contextual Info: NEC /¿PP70208,70208 A , 70216, 70216 (A) 12. DMAU (DMA CONTROL UNIT) The DMAU has 4 DMA channels, and is a subset of the //PD71071 12.1 FEATURES • • • • • • • • • • • • • 20-bit address register 16-bit count register Four independent DMA channels

uPD71054

Contextual Info: NEC /IPP70208, 70208 A , 70216, 70216 (A) 9. TCU (TIMER/COUNTER UNIT) The TCU incorporates 3 counters, and can be used as a timer, event counter, rate generator, etc. Functionally it is a subset of the /¿PD71054. 9.1 FEATURES • 3 x 16-bit counters • Six programmable count modes

nec 4010

Contextual Info: NEC 1. ;uPD70208, 70208 A , 70216, 70216 (A) PIN FUNCTIONS 1.1 LIST OF PIN FUNCTIONS Pin Name Function Input/Output ADO to AD15Noto1 3-state I/O Time-division address/data bus ADO to AD7Noto 2 3-state I/O Time-division address/data bus A8 to A15Note2 3-state output

bus arbitration

Abstract: uPD70216 UPD70208H
Contextual Info: NEC juPD70208H, 70216H 6. BAU BUS ARBITRATION UNIT The BAU perform s bus arbitration am ong bus masters. A list o f bus masters (units w hich can acquire the bus) is shown below. Table 6-1 Bus Masters Bus M aster Bus Cycle CPU Program fetch, data read/write