SH7146 Datasheet, PDF (959/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 24 Electrical Characteristics
Item
Symbol Min.
Max.
Unit Reference Figure
WAIT setup time
t
1/2t + 18 —
WTS
Bcyc
ns
Figures 24.12 to
24.15
WAIT hold time
t_WTH
1/2t_Bcyc + 18 —
ns
Figures 24.12 to
24.15
Notes: * t_Bcyc indicates external bus clock time (Bφ = CK).
1. n denotes the number of wait cycles.
2. If the access time conditions are satisfied, the t condition does not need to be
RDS1
satisfied.
3. –20°C to +75°C for SH71491.
CK
A19 to A0
CSn
RD
Read
D15 to D0
Write
WRxx
D15 to D0
T1
T2
t_AD1
t_CSD
t_AS
t_CSS
t_AD1
t_CSD
t_RSD
t_ACC
t_OE
t_RSD
t_CSH
t_AH
t_RDS1
t_RDH1
t_WSD1
t_WDD1
t_WSD1
t_CSH
t_AH
t_WRH
t_WDH1
Figure 24.11 Basic Bus Timing for Normal Space (No Wait)
Rev. 3.00 May 17, 2007 Page 915 of 974
REJ09B0229-0300