S1R72104 Technical Manual
52
EPSON
Rev.1.1
8.4.3.4 DMA Read (PSLV=0: Master mode)
Symbol Specification Min.
Typ.
Max.
Unit
T
343
XPRD
↓
→
PDREQ negate
PDREQ negate delay time
0
- 30 ns
T
344
XPDACK
↓
→
XPRD
↓
XPRD setup time
0
-
5
ns
T
345
XPRD
↓
→
XPRD
↑
XPRD assert pulse width
- (AP+2)
×
25 -
ns
T
346
XPRD
↑
→
XPRD
↓
XPRD negate pulse width
- (NP+2)
×
25 -
ns
T
347
XPRD
↑
→
XPDACK
↑
XPRD hold time
0
-
5
ns
T
348
PD
→
XPRD
↑
Data input delay time
10
- - ns
T
349
XPRD
↑
→
PD
Data hold time
0
- - ns
T
34A
PDREQ negate
→
XPDACK
↑
XPDACK setup time
5
-
- ns
Direction of data transfer
Prosessor
S1R72104
HOST
PDREQ(I)
XPDACK(0)
XPRD(0)
PD15-0(I)
T
344
T
345
T
346
T
343
T
34A
T
347
T
348
T
349