CDP1802AC datasheet(13/27 Pages) RENESAS

Part #	CDP1802AC

Description	High-Reliability CMOS 8-Bit Microprocessor

PDF	27 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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13 / 27 page

CDP1802AC/3

FN1441 Rev 3.00

Page 13 of 27

October 17, 2008

FIGURE 12. INTERRUPT CYCLE TIMING WAVEFORMS

Performance Curves

FIGURE 13. TYPICAL MAXIMUM CLOCK FREQUENCY AS A

FUNCTION OF TEMPERATURE

FIGURE 14. TYPICAL MAXIMUM CLOCK FREQUENCY AS A

FUNCTION OF SUPPLY VOLTAGE

Machine Cycle Timing Waveforms (Propagation Delays Not Shown) (Continued)

670

CLOCK

TPA

TPB

MACHINE

CYCLE

INSTRUCTION

CYCLE n

CYCLE (n + 1)

CYCLE (n + 2)

INTERRUPT (S3)

EXECUTE (S1)

FETCH (S0)

MRD

MWR

INTERRUPT

MEMORY

OUTPUT

VALID OUTPUT

NOTE: USER GENERATED SIGNAL

MEMORY READ CYCLE

MEMORY READ, WRITE

NON-MEMORY CYCLE

OR NON-MEMORY CYCLE

“DON’T CARE” OR INTERNAL DELAYS

HIGH IMPEDANCE STATE

(NOTE)

(INTERNAL) IE

105

115

125

VDD = 5V

LOAD CAPACITANCE (CL) = 50pF

AMBIENT TEMPERATURE (TA) (°C)

34567

SUPPLY VOLTAGE (VDD) (V)

LOAD CAPACITANCE (CL) = 50pF

TA = +25°C

TA = +125°C

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