JUPD70236A Search Results

D70236A

Contextual Info: NEC juPD70236A 10. DMAU DMA CONTROL UNIT The DMAU has four DMA channels, and provides the functions (subsets) of two LSIs: The nPD71071 and uPD71037. 10.1 FEATURES • 2 operating modes (nPD71071 mode, |iPD71037 mode) • 24-bit length address register • 16-bit length count register

Contextual Info: NEC juPD70236A - NOTES FOR CMOS D EV IC ES-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

Contextual Info: NEC juPD70236A 6. REFU REFRESH CONTROL UNIT The REFU generates refresh cycles required for external DRAM refresh operations. Refresh enabling/disabling and the refresh interval are set by the RFC register. 6.1 FEATURES • Lowest-priority refreshing/highest-priority refreshing

Contextual Info: NEC /JPD70236A 7. TCU TIMER/COUNTER UNIT The TCU has 3 counters, and is functionally identical to the |iPD71054. 7.1 FEATURES • Three timer channels • TOUTO to TOUT2 pin outputs • TCTLO to TCTL2 pin inputs • TCLK pin input • TOUT1 usable as SCU clock

TFK S 186 P

Abstract: tfk 138 JUPD70236 TFK S 186 TFK 162 -12 mrd 148 D70236A tfk 189 p
Contextual Info: NEC /¿PD70236A 15. ELECTRICAL SPECIFICATIONS Available Electrical Specifications - - _ _ _ _ _ V dd = 5 V ±10% V dd = 3.6 to 4.5 V V dd = 2.7 to 3.6 V Remarks 15.1 HPD70236A-10 HPD70236A-12 HPD70236A-16 HPD70236A-20 T a = -40 to +85 °C

Contextual Info: NEC 8. /¿PD70236A SCU SERIAL CONTROL UNIT The SCU provides asynchronous serial communication functions. The command system resembles that of the jiPD71051, but what was the control word register in the nPD71051 has been divided into two: The SCM (serial command register) and SMD (serial mode register).

PGR15

Abstract: JUPD70236 FF2E PGR43 nec 3114
Contextual Info: NEC 3. ¿¿PD70236A CPU The CPU has equivalent functions to the nPD70136A. In hardware terms there are some changes in the relation between on-chip peripherals and use of bus, but in software terms the two are fully compatible. The CPU internal block diagram is shown in Fig. 3-1.

NEC D7

Abstract: 8085 interrupt SCTL PD70208
Contextual Info: NEC 9. /¿PD70236A ICU INTERRUPT CONTROL UNIT The ICU arbitrates between up to 8 interrupt requests, and conveys one request to the CPU. It is functionally the same as the |iPD71059 with the CALL mode (8085 mode) and slave functions with cascading eliminated.

D70236A

Abstract: V53A TFK 035 U 111 B tfk bb 204 U10108E TFK S 417 T NEC FIP TFK U 217 B TFK 544 PD71051
Contextual Info: DATA SHEET NEC MOS INTEGRATED CIRCUIT /¿PD70236A V53A 16-BIT MICROPROCESSOR DESCR IPTIO N The |iPD70236A V53A is a 16-bit CMOS microprocessor that is software-compatible with the jiPD70136A (V33A™). The nPD70236A is based on the |xPD70236 (V53™) with the only difference being its CPU, which is equivalent to that

NEC IC D 553 C

Abstract: PD70236 nec v53 cpu V53A IEU-804 U10108E uPD70136A IEU 804 JUPD70236 V20TM
Contextual Info: DATA SHEET NEC MOS INTEGRATED CIRCUIT V53A 16-BIT MICROPROCESSOR DESCRIPTION The |iPD70236A V53A is a 16-bit CMOS microprocessor that is software-compatible with the nPD70136A (V33A™). The |iPD70236A is based on the nPD70236 (V53™) with the only difference being its CPU, which is equivalent to that

Contextual Info: NEC /1PD70236A 5. WCU WAIT CONTROL UNIT The WCU has the function of automatically inserting a wait states(TW) equivalent to between 0 and 7 clock cycles in a CPU, DMAU or REFU bus cycle. 5.1 FEATURES • Automatic setting of 0 to 7 waits in a CPU memory bus cycle

D71037

Abstract: D70236A HPD71071
Contextual Info: NEC 4. ¿¿PD70236A SY STEM C O N T R O L I/O The system control l/Os which control the entire |iPD70236A are described below. In the |iPD70236A, addresses FFOOH to FFFFH are reserved as the internal I/O area, onto which system control l/Os are mapped. When using the nPD70236A these l/Os must first be correctly initialized.