Datasheet

Page 62
78fo5002,10.luJ12.1.veR
5. Electrical Characteristics (M32C/85)
)T58/C23M,58/C23M(puorG58/C23M
th(BCLK–HOLD)
tsu(HOLD–BCLK)
td(BCLK–HLDA)
td(BCLK–HLDA)
Hi–Z
Measurement Conditions
• V
CC1 =V CC2 =4.2 to 5.5V
• Input high and low voltage: V
IH =4.0V, V IL =1.0V
• Output high and low voltage: V
OH =2.5V, V OL =2.5V
Memory Expansion Mode and Microprocessor Mode
BCLK
HOLD Input
HLDA Output
P0, P1, P2,
P3, P4,
P5
0 to P5 2
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)
Vcc 1 =Vcc 2 =5V
Figure 5.6 VCC1=VCC2=5V Timing Diagram (4)