M16C Datasheet, PDF (199/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 6N Group
Electrical characteristics
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Vcc = 5 V
Timing requirements (referenced to Vcc = 5 V, Vss = 0 V at Ta = 25 °C unless otherwise specified)
Table 21-6. 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.
62.5
25
25
15
15
Unit
ns
ns
ns
ns
ns
Table 21-7. 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
– 45
[ns]
tac2(RD – DB) = ^{3 X 10 9} – 45
f(BCLK) X 2
[ns]
tac3(RD – DB) = ^{3 X 109} – 45
f(BCLK) X 2
[ns]
Standard
Min. Max.
(Note)
(Note)
(Note)
40
30
40
0
0
0
40
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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