6.2 Alternate Function Table
A wide selection of alternate functionality is available for multiplexing to various pins. The following table shows what functions are
available on each device pin.
Table 6.2. GPIO Alternate Function Table
GPIO
Alternate Functions
PB03
GPIO.EM4WU4
PB01
GPIO.EM4WU3
PB00
IADC0.VREFN
PA00
IADC0.VREFP
PA01
GPIO.SWCLK
PA02
GPIO.SWDIO
PA03
GPIO.SWV
GPIO.TDO
GPIO.TRACEDATA0
PA04
GPIO.TDI
GPIO.TRACECLK
PA05
GPIO.EM4WU0
PD02
GPIO.EM4WU9
PD01
LFXO.LFXTAL_I
LFXO.LF_EXTCLK
PD00
LFXO.LFXTAL_O
PC00
GPIO.EM4WU6
GPIO.THMSW_EN
PC05
GPIO.EM4WU7
6.3 Analog Peripheral Connectivity
Many analog resources are routable and can be connected to numerous GPIO's. The table below indicates which peripherals are avali-
able on each GPIO port. When a differential connection is being used Positive inputs are restricted to the EVEN pins and Negative
inputs are restricted to the ODD pins. When a single ended connection is being used positive input is avaliable on all pins. See the
device Reference Manual for more details on the ABUS and analog peripherals.
Table 6.3. ABUS Routing Table
Peripheral
Signal
PA
PB
PC
PD
EVEN
ODD
EVEN
ODD
EVEN
ODD
EVEN
ODD
IADC0
ANA_NEG
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
ANA_POS
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
BGM220S Wireless Gecko Bluetooth
®
Module Data Sheet
Pin Definitions
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