HD6417751 Datasheet, PDF (1060/1105 Pages) Renesas Technology Corp – SuperH RISC engine

CKIO
Ports 31–0
(read)
Ports 31–0
(write)
t_PORTS t_PORTH
t_PORTD
t_PORTD
Figure 23.63 I/O Port Input/Output Timing
CKIO
DREQn
DRAKn
t_DRQH
t_DRQS
t_DRAKD
t_DRQH
t_DRQS
Figure 23.64(a) '5(4/DRAK Timing
CKIO
DBREQ
BAVL
TR
t_DBQS
t_DBQH
t_BAVD
t_BAVD
t_TRS
t_TRH
D31 to D0
(READ)
t_DTRS
t_DTRH
(2)
(1)
(1): [2CKIO cycle – t_DTRS] (= 18 ns: 100 MHz)
(2): DTR = 1CKIO cycle (= 10 ns: 100 MHz)
(t_DTRS + t_DTRH) < DTR < 10 ns
Figure 23.64(b) '%5(4/75 Input Timing and %$9/ Output Timing
Rev. 3.0, 04/02, page 1020 of 1064