M16C62_M Datasheet, PDF (302/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

Timing
Mitsubishi microcomputers
M16C / 62M Group
(Low voltage version)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timing requirements
(referenced to VCC = 3V, VSS = 0V, at Topr = – 20^oC to 85^oC / – 40^oC to 85^oC (*) unless otherwise specified)
* : Specify a product of -40°C to 85°C to use it.
Table 1.31.8. External clock input
Symbol
tc
tw(H)
tw(L)
tr
tf
Parameter
External clock input cycle time
External clock input HIGH pulse width
External clock input LOW pulse width
External clock rise time
External clock fall time
Standard
Min. Max. ^Unit
100
ns
40
ns
40
ns
18
ns
18
ns
Table 1.31.9. Memory expansion and microprocessor modes
Symbol
Parameter
tac1(RD-DB) Data input access time (no wait)
tac2(RD-DB) _{Data input access time (with wait)}
tac3(RD-DB) _{Data input access time (when accessing multiplex bus area)}
tsu(DB-RD)
Data input setup time
tsu(RDY-BCLK ) _{RDY input setup time}
tsu(HOLD-BCLK ) _{HOLD input setup time}
th(RD-DB)
Data input hold time
th(BCLK -RDY) _{RDY input hold time}
th(BCLK-HOLD ) _{HOLD input hold time}
td(BCLK-HLDA) HLDA output delay time
Note: Calculated according to the BCLK frequency as follows:
tac1(RD – DB) =
10 ⁹
f(BCLK) X 2 ^{– 90}
[ns]
tac2(RD – DB) =
3 X 10 ⁹
f(BCLK) X 2 ^{– 90}
[ns]
tac3(RD – DB) =
3 X 10 ⁹ _{– 90}
f(BCLK) X 2
[ns]
Standard
Min. Max.
(Note)
(Note)
(Note)
80
60
80
0
0
0
100
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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