User's Manual

60-2230C
Datasheet
Embedded Wireless Solutions Support Center:
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www.lairdtech.com/wireless
32
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Table 19: PCM Timing Specification – Slave Mode
Symbol Parameter Min. Typ. Max. Unit
F BCLK - - 2/2.048 - MHz
Duty Cycle BCLK - 0.4 0.5 0.6 -
T BCLK rise/fall - - 3 - ns
T DO - - - 30 ns
T DISU - 15 - - ns
T DIHO - 10 - - ns
T BFSU - 15 - - ns
T BFHO - 10 - - ns
13. P IN D EFINITIONS
Table 20: Pin definitions
Pin # Name Type
Voltage
Ref.
Description
If Not
Used
1 GND - - Ground GND
2 3.3V Power - 3.3V module power supply -
3 USB_D+ I/O 3.3V USB Differential Data-Positive N/C
4 3.3V Power - 3.3V module power supply -
5 USB_D- I/O 3.3V USB Differential Data-Negative N/C
6 LED1# O,PU 3.3V LED indicator for WLAN with 10mA drive capability N/C
7 GND - - Ground GND
8 PCM_CLK I/O 1.8V
PCM Clock Signal (Optimal)
Optimal clock used for some codecs.
Output if Master mode; Input if Slave mode.
N/C
9 SDIO CLK I,PU 1.8V SDIO 4-bit Mode Clock Input N/C
10 PCM_SYNC I/O 1.8V
PCM Sync Pulse Signal
Output if Master mode; Input if Slave mode.
N/C
11 SDIO CMD I/O 1.8V SDIO 4-bit Mode Command/Response N/C
12 PCM_IN I 1.8V PCM Data N/C
13 SDIO DATA0 I/O,PU 1.8V SDIO 4-bit Mode DATA line Bit[0] N/C
14 PCM_OUT O 1.8V PCM Data N/C
15 SDIO DATA1 I/O,PU 1.8V SDIO 4-bit Mode DATA line Bit[1] N/C
16 LED2# O,PU 3.3V LED indicator for BT with 10mA drive capability. N/C
17 SDIO DATA2 I/O,PU 1.8V SDIO 4-bit Mode DATA line Bit[2] N/C
18 GND - - Ground GND
19 SDIO DATA3 I/O,PU 1.8V SDIO 4-bit Mode DATA line Bit[3] N/C
20 UART WAKE# N/C N/C N/C N/C
21 SDIO WAKE# N/C N/C N/C N/C
22 UART TXD O 1.8V UART Serial Data Output N/C