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7721 Datasheet(PDF) 546 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 546 Page - Renesas Technology Corp

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7721 Group User’s Manual
17–83
Appendix 11. Electrical characteristics
APPENDIX
Internal peripheral devices’ timing requirements (VCC = 5 V ± 10 %, VSS = 0 V, Ta = –20 to 85 °C,
f(XIN) = 25 MHz, unless otherwise noted)
Note: The limits depend on f(XIN). Table 3 lists calculation formulas for the limits.
Limits
tc(TA)
tw(TAH)
tw(TAL)
TAjIN input cycle time
TAjIN input high-level pulse width
TAjIN input low-level pulse width
Max.
Parameter
Timer A input (Count input in event counter mode)
Timer A input (Gating input in timer mode)
tc(TA)
tw(TAH)
tw(TAL)
TAjIN input cycle time
TAjIN input high-level pulse width
TAjIN input low-level pulse width
Symbol
Parameter
(Note)
(Note)
(Note)
Symbol
Min.
80
40
40
Unit
Limits
Min.
320
160
160
Max.
Unit
Timer A input (External trigger input in one-shot pulse mode)
tc(TA)
tw(TAH)
tw(TAL)
TAjIN input cycle time
TAjIN input high-level pulse width
TAjIN input low-level pulse width
Symbol
Parameter
(Note)
Limits
Min.
160
80
80
Max.
Unit
ns
ns
ns
tw(TAH)
tw(TAL)
TAjIN input high-level pulse width
TAjIN input low-level pulse width
Symbol
Parameter
Limits
Min.
80
80
Max.
Unit
Timer A input (External trigger input in pulse width modulation mode)
ns
ns
ns
ns
ns
ns
ns
ns
Timer A input (Up-down input in event counter mode)
tc(UP)
tw(UPH)
tw(UPL)
tsu(UP-TIN)
th(TIN-UP)
TAjOUT input cycle time
TAjOUT input high-level pulse width
TAjOUT input low-level pulse width
TAjOUT input setup time
TAjOUT input hold time
Symbol
Parameter
Limits
Min.
2000
1000
1000
400
400
Max.
Unit
ns
ns
ns
ns
ns
Timer A input (Two-phase pulse input in event counter mode)
tc(TA)
tsu(TAjIN–TAjOUT)
tsu(TAjOUT–TAjIN)
TAjIN input cycle time
TAjIN input setup time
TAjOUT input setup time
Symbol
Parameter
Limits
Min.
800
200
200
Max.
Unit
ns
ns
ns



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