4507_M Datasheet, PDF (174/216 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES

4507 Group
3.1.5 Basic timing diagram
Parameter
Machine cycle
Mi
Pin name
Clock
XIN : high-speed mode
(System clock = f(XIN))
XIN : middle-speed mode
(System clock = f(XIN)/2)
XIN : low-speed mode
(System clock = f(XIN)/4)
XIN : default mode
(System clock = f(XIN)/8)
Port D output
D0, D1, D2/C, D3/K,
D4, D5
Port D input
D0, D1, D2/C, D3/K,
D4, D5
Port P0, P1, P2, P3
output
P00–P03
P10–P13
P20, P21
P30, P31
Port P0, P1, P2, P3
input
P00–P03
P10–P13
P20, P21
P30, P31
Timer output
CNTR
Timer input
CNTR
Interrupt input
INT
APPENDIX
3.1 Electrical characteristics
Mi+1
Rev.2.01 Feb 04, 2005
3-8
REJ09B0195-0201