LP1072 Datasheet, PDF (11/32 Pages) Freescale Semiconductor, Inc – 802.11a/b/g Baseband System Solution

• Combo Card (I/O mode only)
LP1072 Interfaces
4.1.2 SDIO Function 0/1
For Function 0 registers descriptions, refer to SDIO Card Specification. For Function 1, the SDIO registers
occupy a 128 Kbyte space as defined in the SDIO specification. Figure 2 illustrates SDIO Function 1
128 Kbyte Memory Map and Table 8 details its registers.
Bit7
0x0000 _Reserved
Bit0
0x0015 _Reserved
0x0016 _Reserved
0x0017
0x0018
ARM to Host Interrupt
Enable register 0
ARM to Host Interrupt
Enable register 1
0x001C _{SDIO Mailbox semaphore 0}
0x001D _{SDIO Mailbox semaphore 1}
0x001E _{SDIO Mailbox semaphore 2}
0x000E _{Watchdog Reset Register}
0x000F ^{SDIO Host to Device}
Interrupt Register 0
0x0010 _Reserved
0x0011 _Reserved
0x0012 _Reserved
0x0013
0x0014
ARM to Host Interrupt
Source register 0
ARM to Host Interrupt
Source register 1
0x0020
Reserved
0x1FFF
0x2000 ^{2 KByte Mailbox}
space
RAM0
RAM1
0x27FF
0x2800
Reserved
0x3FFF
0x4000
RAM2
0x200E
0x200F
0x23FF
0x2400
8Kbyte Internal Memory
0x5FFF
Figure 2. SDIO Function 1 128 Kbyte Memory Map
LP1072 Advance Information, Rev. 0.3
Freescale Semiconductor
11
PRELIMINARY