SyChip/Murata Confidential Page 11 of 31 SN2100 Datasheet Ver. 1.1
2.5 Module
Pin-out
Table 1 Module Connector Signal Description
Pin #
Pin name
I/O
Description
1 GND
- Ground
2
VIN
I
Module Power Supply
3
Reserved
O
Internal for debugging use only
4 HCI_CTS
I
HCI UART Clear-To-Send.
Module is allowed to send data when HCI_CTS is
low.
5
HCI_TX
O
HCI UART data transmit
6 HCI_RTS
O
HCI UART Request-To-Send
Host is allowed to send data when RTS is low.
7
HCI_RX
I
HCI UART data receive
8 nRESET
I Shutdown
input (Active Low)
9 GND
- Ground
10
AUD_IN
I
PCM Data Input
11
AUD_OUT
O
PCM Data Output
12 AUD_CLK
I/O PCM
Clock
13 AUD_SYNC
I/O PCM
Frame
Sync
14 GND
- Ground
15 GND
- Ground
16 GND
- Ground
17 GND
- Ground
18 GND
- Ground
19 GND
- Ground
20 GND
- Ground
21 GND
- Ground
22 GND
- Ground
23 GND
- Ground
24 GND
- Ground
25 GND
- Ground
26
Reserved
-
Internal use only
27 GND
- Ground
28 GND
- Ground
