User's Guide

11
47
PCM_SYNC/PCM_IN
49
PCM_OUT/PCM_IN
51
PCM_IN/PCM_SYNC
2.2.5. SD card tntreface
2.2.5.1. Description
There are seven pins for SD card in the MINI PCI-E. And the detailed information is given in Table 2-5 below.
Table 2-5 DWM-800A SD card interface description
pcie
Pin.NO
Signal name
Description
13
SDC1_CMD
SD Command/Response
17
SDC1_DATA0
SD Data 0
19
SDC1_DATA1
SD Data 1
23
SDC1_DATA2
SD Data 2
25
SDC1_DATA3
SD Data 3
31
SDC1_CLK
SD Clock
32
VREG_SD
SD Supply voltage
2.2.6. Others
DWM-800A also provides some other interfaces listed in Table 2-7.
Table 2-7
pins in
MINI PCI-E
SN. of the MINI
PCI-E
Volt
Description
W_DISABLE_N
20
2.6
The W_DISABLE# signal is an active low signal that
when asserted (driven low) by the system shall disable
radio operation.
WAKE_N
1
2.6
The WAKE# signal is an open drain, active low signal that
is driven low by a PCI Express Mini Card function to
reactivate the PCI Express Link hierarchy’s main power
rails and reference clocks.
I2C_SCL
30
2.6
I2C Interface