SH7080 Datasheet, PDF (1513/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 28 Electrical Characteristics
28.3.4 Direct Memory Access Controller (DMAC) Timing
Table 28.9 Direct Memory Access Controller (DMAC) Timing
Conditions: V_CC = 3.0 V to 3.6 V or 4.5 V to 5.5 V, AV_CC = 4.5 V to 5.5 V, AV_ref = 4.5 V to AV_CC,
V_SS = PLLV_SS = AV_SS = 0 V, T_a = –20°C to +85°C (consumer applications),
T_a = –40°C to +85°C (industrial applications)
Item
DREQ setup time
DREQ hold time
Symbol
t_DRQS
t
DRQH
Min.
20
20
Max. Unit

ns

ns
Reference
Figure
Figure 28.45
CK
DREQn
t_DRQS t_DRQH
Figure 28.45 DREQ Input Timing
Rev. 3.00 May 17, 2007 Page 1455 of 1582
REJ09B0181-0300