w86l488y-ay Winbond Electronics Corp America, w86l488y-ay Datasheet - Page 15

• Manufacturer Part Number: w86l488y-ay
• Description: Winbond Host Interface Sd/sdio/mmc Memory Card Bridge
• Manufacturer: Winbond Electronics Corp America

5. BLOCK DIAGRAM
5.1
W86L488Y Block Diagram
XWRLN/XBE1
XWRHN/XBE0
XRDN/XRWN
XDRQN
XRDYN
D[15:0]/
D[7:0]
XINTN
XCSN
A[3:1]
XASN
A0
Data Packing
DMA Circuit
Controller
Fig. 5-1 Block Diagram of W86L488Y.
Circuit
/Write
Read
Address
HCKI
Decode
Type Select
Host I/F
Interrupt Circuit
XTYP2
- 12 -
RSTN
SD/SDIO/MMC
Access Block
SD Bus
Control
Divider
Clock
VDD
General Port
XTI
Registers
Crystal
Driver
VSS
XTO
W86L488
GIO[4:0]
CLK
CMD
DAT[3:0]