CXD1186CQ/CR
4. HOST DMA cycle (80 type bus)
(1) Read
HDRQ
XHAC
XHRD
HDB0 to 7, P
tDAR1
tSAR
tRRL
tDRD
tDAR2
tHRA
tFRD
Item
HDRQ fall time (vs. XHAC ↓)
HDRQ rise time (vs. XHAC ↑)
XHAC setup time (vs. XHRD ↓)
XHAC hold time (vs. XHRD ↑)
Low level XHRD pulse width
Data delay time (vs. XHRD ↓)
Data float time (vs. XHRD ↑)
Symbol Min.
Typ.
Max.
Unit
tDAR1
35
n
tDAR2
48
n
tSAR
5
n
tHRA
0
n
tRRL
100
n
tDRD
60
n
tFRD
0
10
n
(2) Write
HDRQ
XHAC
XHWR
tDAR1
tSAW
HDB0 to 7, P
tWWL
tSDW
tDAR2
tHWA
tHWD
Item
HDRQ fall time (vs. XHAC ↓)
HDRQ rise time (vs. XHAC ↑)
XHAC setup time (vs. XHWR ↓)
XHAC hold time (vs. XHWR ↑)
Low level XHWR pulse width
Data setup time (vs. XHWR ↑)
Data hold time (vs. XHWR ↑)
Symbol
tDAR1
tDAR2
tSAW
tHWA
tWWL
tSDW
tHWD
Min.
5
0
50
40
10
Typ.
Max.
35
48
Unit
n
n
n
n
n
n
n
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