Data Sheet

TBM-QCC307 Bluetooth Module Datasheet
9
TONLY ELECTRONICS HOLDINGS LIMITED Confidential
boost. Otherwise leave
unconnected.
28
VBAT_SENSE
Power supply and control
Battery charger sense input.
Connect directly to the
battery positive pin.
29
VBAT
Input for an internal 1.8V
switched mode regulator
combined with output of the
internal battery charger.
Battery charger input
31
1.8V_OUT
Power supply and control
1.8V DC/DC convertor
output.
32
VDD_IO
Power supply and control
Positive supply input for
input/output ports.
33
3V3_OUT
Power supply and control
3.3V bypass linear regulator
output.
Also supply for USB port.
35
USB_DN
Abi-directional USB data line
with a selectable internal
1.5kΩ pull-up implemented
as a current source
(compliant with USB
specification v2.0) An
external series resistor is
required to match the
connection to the
characteristic impedance of
the USB cable.
USB data minus.
36
USB_PN
A bi-directional USB data line. An
external series resistor is required to
match the connection to the
characteristic impedance of the USB
cable.
USB data plus with
selectable internal 1.5kΩ
pull-up resistor.
38
PIO_9
programmable analog I/O.
Programmable I/O.
39
PIO_0
programmable analog I/O.
Programmable I/O.
40
PIO_1
programmable analog I/O.
Programmable I/O.
41
PIO_8
programmable analog I/O.
Programmable I/O.
42
PIO_7
programmable analog I/O.
Programmable I/O.
43
PIO_6
programmable analog I/O.
Programmable I/O.
44
PIO_21
programmable analog I/O.
Programmable I/O.
45
PIO_18
programmable analog I/O.
Programmable I/O.
46
LED_2
Bidirectional
Programmable input /
output line & LED driver.