User's Manual

FLC-BTM101 Datasheet
Flaircomm Microelectronics Confidential
-12-
5
PIO0 /
UART_TX
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line / UART TX
selected by firmware setting
6
PIO1 /
UART_RX
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line / UART RX
selected by firmware setting
7
PIO3
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line
8
PIO4
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line
9
PIO5 /
SPI_CLK
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line / SPI Clock
selected by SPI_PIO#
10
GND
Ground
Ground
11
PIO6 /
SPI_CSB
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line / SPI CSB
selected by SPI_PIO#
12
PIO7 /
SPI_MOSI
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line / SPI MOSI
selected by SPI_PIO#
13
PIO8 /
SPI_MISO
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line / SPI MISO
selected by SPI_PIO#
14
PIO9
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line
15
I2C_SDA
Bidirectional, tristate, with
weak internal pull-up
I2C data input/output
16
I2C_SCL
Input with weak internal pull-up
I2C clock
17
GND
Ground
Ground
18
PIO2
Bi-directional with
programmable strength internal
pull-up/down
Programmable input/output line