
Mitsubishi microcomputers
M16C / 61 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timing (Vcc = 5V)
155
V
CC
= 5V
Measuring conditions :
V
CC
=5V
Input timing voltage : Determined with V
IL
=1.0V, V
IH
=4.0V
Output timing voltage : Determined with V
OL
=2.5V, V
OH
=2.5V
Memory Expansion Mode and Microprocessor Mode
(Valid only with wait)
BCLK
HOLD input
HLDA output
P0, P1, P2,
P3, P4,
P5
0
to P5
2
(Valid with or without wait)
Note: The above pins are set to high-impedance regardless of the input level of the
BYTE pin and bit (PM06) of processor mode register 0 selects the function of
ports P4
0
to P4
3
.
t
h(BCLK–HOLD)
t
su(HOLD–BCLK)
t
d(BCLK–HLDA)
t
d(BCLK–HLDA)
Hi–Z
RDY input
tsu(RDY–BCLK)
th(BCLK–RDY)
BCLK
RD
(Multiplexed bus)
(Multiplexed bus)
WR, WRL, WRH
WR, WRL, WRH
(Separate bus)
RD
(Separate bus)
Figure 1.24.3. V
CC
=5V timing diagram (2)