u-blox Malmo AB 000501 사용자 설명서
6
Chapter 2
Electrical Interface
The electrical interface of the module is a 2x20 1.27mm micro header list (female).
The header list is bottom or top entry. Suited male pin lists are for example available
at Samtec (SMD: FW-20-03-F-D-118-162, through hole: FW-20-04-F-D-118-162,
min stacker height, 0.118").
The header list is bottom or top entry. Suited male pin lists are for example available
at Samtec (SMD: FW-20-03-F-D-118-162, through hole: FW-20-04-F-D-118-162,
min stacker height, 0.118").
There are some positions reserved for future use. See Components placement and
dimensions for pin placement.
dimensions for pin placement.
2.1 PCM
and
I
2
C connection
These pins are directly connected to the on-board Bluetooth unit.
* Pull-up internal
Pin nr.
Pin Name
Type
Description
1
PCM_CLK
In/Out
100k
Ω
pull-up* to 3.3V, connected to the
Bluetooth module PCM interface. Only
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
2
PCM_SYNC
In/Out
100k
Ω
pull-up* to 3.3V, connected to the
Bluetooth module PCM interface. Only
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
3
PCM_OUT
Output
100k
Ω
pull-up* to 3.3V, connected to the
Bluetooth module PCM interface. Only
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
4
PCM_IN
Input
100k
Ω
pull-up* to 3.3V, connected to the
Bluetooth module PCM interface. Only
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
applicable for OEM Bluetooth Enabler. NC
for OEM Serial Port Adapter.
5
I2C_CLK
Output
Reserved for future use.
6
I2C_DATA
In/Out
Reserved for future use.
Table 1 - PCM and I
2
C connections.