User's Manual

FLC-BTM501 Datasheet
Flaircomm Microelectronics Confidential
-11-
pull-down
only
6
SPI_CSB
CMOS input with weak internal
pull-up
Chip select for Synchronous Serial Interface for
programming only, active low
7
PIO10
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
8
PIO11
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
9
PIO5
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
10
PIO3
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
11
PIO2
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
12
PIO0
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
13
PIO1
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
14
AUX_DAC
Analogue
Voltage DAC output
15
GND
Ground
Ground
16
MIC_BIAS
Analogue
Microphone Bias
17
RF_GND
RF Ground
RF ground
18
RF_IN
Analogue
Transceiver input/output line
19
RF_GND
RF Ground
RF ground
20
AIO1
Bi-directional
Analogue Programmable input/output line
21
AIO0
Bi-directional
Analogue Programmable input/output line
22
GND
Ground
Ground
23
MIC_LP
Analogue
Microphone input positive
24
MIC_LN
Analogue
Microphone input negative
25
SPK_LN
Analogue
Speaker output negative (left side)
26
SPK_LP
Analogue
Speaker output positive (left side)
27
SPK_RN
Analogue
Speaker output negative (right side)
28
SPK_RP
Analogue
Speaker output positive (right side)
29
PIO13
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
30
VDD
3.3v power input
3.3v power input
31
USB_DP
Bi-directional
USB data plus, pull up 1.5K when active
32
USB_DN
Bi-directional
USB data minus