W86L488AY WINBOND [Winbond], W86L488AY Datasheet - Page 15

• Manufacturer Part Number: W86L488AY
• Description: SD/ SDIO/ MMC MEMORY CARD BRIDGE
• Manufacturer: WINBOND [Winbond]

5.2 W86L488AY Block Diagram
XWRLN/XBE1
XWRHN/XBE0
XRDN/XRWN
XDAKN
XDRQN
XRDYN
D[15:0]/
D[7:0]
XINTN
XCSN
A[4:1]
XASN
A0
DMA Circuit
Address
Decode
HCKI
Data Packing
Controller
Fig. 5-2 Block Diagram of W86L488AY.
Circuit
/Write
Read
Type Select
Host I/F
XTYP2
Interrupt Circuit
Data FIFO
128 Bytes
CMD Reg
17 Bytes
Rsp Reg
6 Bytes
Register File
Sts & Ctrl Reg.
- 12 -
RSTN
Global
Serial to Parallel
Parallel to Serial
Serial to Parallel
Parallel to Serial
Publication Release Date: February 5, 2004
Preliminary W86L488
or
or
VDDH
SD Bus
Control
Divider
Clock
VDD3
SD/SDIO/MMC
Access Circuit
General Port
Register
XTI
Command
Response
Packing
Circuit
Crystal
Driver
Data
VSS
XTO
Revision 0.82
ADAT[3:0]
ACLK
ACMD
GIO[5:0]
BDAT[3:0]
GIO[11:6]
BCLK
BCMD