w86l488y-ay Winbond Electronics Corp America, w86l488y-ay Datasheet - Page 17

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

6. REGISTER
The registers in the W86L488Y/AY are direct access registers and indirect access registers. The
direct access registers and indirect access registers are listed as follows:
6.1
Access Mode:
RO
RC
WO
RW
Direct Access Registers
Indirect Access Registers
ADDRESS
0000b
0000b
0001b
0001b
A[3:1]
000b
000b
001b
001b
010b
010b
011b
011b
100b
100b
101b
101b
110b
111b
W86L488Y Register
: Read Only
: Read Only and Read Clear
: Write Only
: Read/ Write
ACCESS
MODE
RW*1
RW*2
WO
WO
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RC
Command Pipe Reg.
Response Reg.
Status Reg.
0
Receive Data Buffer
Transmit Data Buffer
Interrupt Status Reg.
0
General I/O Data Reg.
0
General I/O Interrupt Status Reg.
0
0
Index Data Reg.
Extend Status Reg.
SDIO Bus Function Reg.
0
15
0
0
0
0
0
0
14
0
0
0
0
0
0
13
0
0
0
0
0
0
12
0
0
0
0
0
0
11
- 14 -
0
0
0
0
0
0
12
0
0
0
0
0
0
Setting Reg.
0
10
0
0
0
0
0
0
0
9
Control Reg.
0
0
0
0
0
0
SDIO Bus Control Reg.
8
0
0
Interrupt Enable Reg.
General I/O Control Reg.
0
General I/O Interrupt Enable
Reg.
Index Address Reg.
0
0
7
0
0
0
0
0
6
0
0
0
0
0
5
0
0
0
0
0
4
W86L488
0
0
0
0
0
3
0
0
0
0
0
2
0
0
0
0
0
1
0
0
0
0
0