4570 Datasheet, PDF (57/69 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

BASIC TIMING DIAGRAM
Machine cycle
Parameter
State
Pin name
Clock
XIN
(System clock=f(X IN))
XIN
(System clock=f(X IN)/4)
Port D output
D0–D9
Mi
T3
Port P0, P1, P3 output P00–P03
P10–P13
P30–P33
Port P0, P1, P2,
P3, P4 input
Interrupt input
P00–P03
P10–P13
P20, P21
P30–P33
P40–P43
INT
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Mi+1
T1
T2
T3
64