D70236A
Abstract: No abstract text available
Text: 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
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uPD70236A
nPD71071
uPD71037
iPD71037
24-bit
16-bit
PD71037
PD71071
D70236A
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Untitled
Abstract: No abstract text available
Text: 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
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uPD70236A
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Untitled
Abstract: No abstract text available
Text: 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
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uPD70236A
16-bit
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nec v53 cpu
Abstract: No abstract text available
Text: NEC NEC Electronics Inc. Description The V53” is a high-speed, high-integration 16-bit CMOS microprocessor with a CPU that is object and source code compatible with the V20 /V30®. Integrated on the same die is a 4-channel DMA controller, a UART, three
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16-bit
nPD71087/8237
/iPD71071.
jiPD71051
PPD70236
nec v53 cpu
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D70236
Abstract: No abstract text available
Text: NEC NEC Electronics Inc. Description The V53 is a high-speed, high-integration 16-bit CMOS microprocessor with a CPU that is object and source code compatible with the V20 /V30®. integrated on the same die is a 4-channel DMA controller, a UART, three timer/counters, an interrupt controller, a refresh
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16-bit
pPD71087/8237
pPD71071,
the/rPD71051
16-bit
JIPD70236
D70236
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interfacing of 8237 with 8085
Abstract: No abstract text available
Text: 1^1 m J j NEC Electronics Inc. Description The V53 is a high-speed, high-integration 16-bit CMOS microprocessor with a CPU that is object and source code compatible with the V20 /V30®. Integrated on the same die is a 4-channel DMA controller, a DART, three
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16-bit
jiPD71087/8237
jtPD71071.
ftPD71051
JUPD70236
interfacing of 8237 with 8085
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XC-01
Abstract: D70236 smd 3F9 uPD72291 JUPD70236 interfacing of 8251 devices with 8085 high level language programming of 8085 microprocessor 8085 mnemonic opcode ls-112 TFK U 111 B
Text: NEC Electronics Inc. Description The V53 is a high-speed, high-integration 16-bit CM O S m icroprocessor with a CPU that is object and source code com patible with the V20 /V30®. Integrated on the same die is a 4-channel D M A controller, a DART, three
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UPD70236
16-Bit
V53TM
mPD71087/8237
/iPD71071.
fiPD71051
jjPD70236
XC-01
D70236
smd 3F9
uPD72291
JUPD70236
interfacing of 8251 devices with 8085
high level language programming of 8085 microprocessor
8085 mnemonic opcode
ls-112
TFK U 111 B
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Untitled
Abstract: No abstract text available
Text: 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
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uPD71054
16-bit
iPD70236A
/JPD70236A
PD70236A
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nec v53 cpu
Abstract: 117 AJG cpu pc v53 PD70236 JUPD70236 nec upd70236 smd Code BKD interfacing of 8237 with 8085 6512a KRY 112 46
Text: SEC N E C ELECTRONICS INC 30E Q Description The V53m is a high-speed, high-integration 16-bit CMOS microprocessor with a CPU that is object and source code compatible with the V20 /V30®. Integrated on the same die is a 4-channel DMA controller, a UART, three
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uPD70236
16-Bit
PD71087/8237
ftPD71071.
b427S25
PPD70236
T-49-7
nec v53 cpu
117 AJG
cpu pc v53
PD70236
JUPD70236
nec upd70236
smd Code BKD
interfacing of 8237 with 8085
6512a
KRY 112 46
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TFK S 186 P
Abstract: tfk 138 JUPD70236 TFK S 186 TFK 162 -12 mrd 148 D70236A tfk 189 p
Text: 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
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HPD70236A-10
HPD70236A-12
HPD70236A-16
PD70236A
HPD70236A-20
A23-A0
TFK S 186 P
tfk 138
JUPD70236
TFK S 186
TFK 162 -12
mrd 148
D70236A
tfk 189 p
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Untitled
Abstract: No abstract text available
Text: 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).
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uPD70236A
jiPD71051,
nPD71051
RS-232-C
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PGR15
Abstract: JUPD70236 FF2E PGR43 nec 3114
Text: 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.
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uPD70236A
nPD70136A.
16-bit
xPD72291
PGR15
JUPD70236
FF2E
PGR43
nec 3114
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NEC D7
Abstract: 8085 interrupt SCTL PD70208
Text: 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.
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uPD70236A
iPD71059
nPD71059
xPD70236A
NEC D7
8085 interrupt
SCTL
PD70208
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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
Text: 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
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uPD70236A
V53ATM
16-BIT
iPD70236A
jiPD70136A
V33ATM)
nPD70236A
xPD70236
V53TM)
D70236A
V53A
TFK 035 U 111 B
tfk bb 204
U10108E
TFK S 417 T
NEC FIP
TFK U 217 B
TFK 544
PD71051
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Untitled
Abstract: No abstract text available
Text: 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
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uPD70236A
16M-byte
PD70236A
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D71037
Abstract: D70236A HPD71071
Text: 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.
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uPD70236A
PD70236A
iPD70236A,
nPD70236A
64K-byte
0000H
iPD70236A
D71037
D70236A
HPD71071
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