Product Specs
strength internal pullup/
pull-down
Alternative function:
■PCM_SYNC
P 6
PIO-16
Digital:Bidirectional
with programmable
strength internal
pullup/pull-down
Weak
pull-down
Programmable I/O line
16.
Alternative function:
■PCM_CLK
P 7
PIO-15
Digital:Bidirectional
with programmable
strength internal pullup/
pull-down
Weak
pull-down
Programmable I/O line
15.
Alternative function:
■MCLK_OUT
P 8
PIO-6
[TBR_MOSI]
Digital:Bidirectional
with programmable
strength internal pullup/
pull-down
Strong
pull-up
Programmable I/O line
6.
Alternative function:
■TBR_MOSI[0]
P 9
PIO-8
[TBR_CLK]
Digital:Bidirectional
with programmable
strength internal pullup/
pull-down
Weak
pull-down
Programmable I/O line
8.
Alternative function:
■TBR_CLK
P 10
CHG_SENSE
Analog
-
Charger input sense pin after
external mode sense-resistor.High
impedance.
NOTE If using internal charger
or no charger,connect
VCHG_SENSE direct to
VCHG.
P 11
PIO-7
TBR_MISO
Digital:Bidirectional
with programmable
strength internal pullup/
pull-down
Strong
pull-up
Programmable I/O line
7.
Alternative function:
■TBR_MISO[0]
P 12
PIO-1
REST
Digital:Bidirectional
with programmable
strength internal
pullup/pull-down
Strong
pull-up
Automatically defaults to
RESET#mode when the device is
unpowered,or in off
modes.Reconfigurable as a PIO
after boot.
Alternative function:
Programmable I/O line :
1
P 13
VBAT
Analog
-
Battery voltage sense input.
P 14
GND
-
Ground
P15
VBAT_SENSE
Analog
-
Battery voltage sense input.
P16
CHG_EXT
Analog
-
External charger transistor
current
control.Connect to base of
external
charger transistor as per
application
schematic.
P17
V CHG
Supply
-
Supply to SMPS power switch from
charger input.
P18
USBDN
Digital
-
USB Full Speed device DI/O.
IEC-61000-4-2(device level) ESD
Protection
P19
USBDP
Digital
-
USB Full Speed device D+I/O.
IEC-61000-4-2(device level) ESD
Protection
P20
AIO_5
Analog or digital input/
open drain output.
-
General-purpose analog/digital
input or open drain LED output.