Rev: b
Low power Bluetooth
™ Module with antenna- F2M03GLA
Datasheet
6.6
PIOs
The F2M03GLA have 10 programmable general-purpose I/O ports PIO[11:2] and two analog I/O ports
AIO[1:0]. PIO lines can be configured through software to have either weak or strong pull-ups or pull-
downs.
All PIO lines are configured as inputs with weak pull-downs at reset.
AIO[1:0] functions available via these pins include an 8-bit ADC but can also be used as general-purpose
I/O lines. Typically the AIO[0] is used for battery voltage measurement. The voltage range for AIO[1:0] is
constrained by the internal analogue supply voltage which is 1.8V.
Note:
The PIO and AIO lines are controlled by firmware specific settings. Please see specific firmware datasheet for
information about the PIOs used!
6.6.1
General-purpose I/O lines
PIO[2]
Programmable I/O terminal.
PIO[3]
Programmable I/O terminal.
PIO[4]/ BT_Priority/Ch_Clk
Programmable input/output line or Optionally BT_Priority/Ch_Clk output for co-existence signaling
PIO[5]/BT_Active
Programmable input/output line or Optionally BT_Active output for co-existence signalling
PIO[6]/WLAN_Active/Ch_Data
Programmable input/output line or Optionally WLAN_Active/Ch_Data input for co-existence signalling
PIO[7]
Programmable I/O terminal.
PIO[8]
Programmable I/O terminal.
PIO[9]
Programmable I/O terminal.
PIO[10]
Programmable I/O terminal.
PIO[11]
Programmable I/O terminal.
6.6.2
Analog I/O lines
AIO[0]
Programmable input/output line also possible to use as digital I/O
AIO[1]
Programmable input/output line also possible to use as digital I/O
© 2006 Free2move AB
Page 32(44)
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