w86l388-dg Winbond Electronics Corp America, w86l388-dg Datasheet - Page 11

• Manufacturer Part Number: w86l388-dg
• Description: Winbond Host Interface Sd/mmc Memory Card Bridge
• Manufacturer: Winbond Electronics Corp America

Host Interface Type 2:
The Host interface type 2 is selected when XTYP2 pin is high. Figure 7-3 shows the timing of CPU
read write in type 2 and the access cycle is 3-cycle access, figure 7-4 shows the timing of CPU read
write in type 2 and the access cycle is 2-cycle access.
A[3:1]
D[15:0]
XRDYN
XBE[1:0]
A[3:1]
D[15:0]
XRDYN
XBE[1:0]
HCKI
XCSN
XASN
XRWN
HCKI
XCSN
XASN
XRWN
Fig. 7-3 Read and Write Timing in Host I/F Type 2, 3-Cycle Access.
Fig. 7-4 Read and Write Timing in Host I/F Type 2, 2-Cycle Access.
Read cycle
Read cycle
DO[15:0]
DO[15:0]
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Publication Release Date: May 17, 2005
Write cycle
Write cycle
DI[15:0]
DI[15:0]
W86L388D
Revision 1.0