User's Manual

Bluegiga Technologies Oy
Page 9 of 40
PIO PORT
PIN
NUMBER
PAD TYPE DESCRIPTION
PIO[2] 3
Bi-directional, programmamble
strength internal pull-down/pull-up
Programmamble input/output
line
PIO[3] 4
Bi-directional, programmamble
strength internal pull-down/pull-up
Programmamble input/output
line
PIO[4] 20
Bi-directional, programmamble
strength internal pull-down/pull-up
Programmamble input/output
line
PIO[5] 25
Bi-directional, programmamble
strength internal pull-down/pull-up
Programmamble input/output
line
PIO[6] 18
Bi-directional, programmamble
strength internal pull-down/pull-up
Programmamble input/output
line
PIO[7] 19
Bi-directional, programmamble
strength internal pull-down/pull-up
Programmamble input/output
line
AIO[1] 27 Bi-directional
Programmamble analog
in
p
ut
/
out
p
ut line
Table 2: GPIO Terminal Descriptions
SPI
INTERFACE
PIN
NUMBER
PAD TYPE DESCRIPTION
PCM_OUT 7
CMOS output, tri-state,
weak internal pull-down
Synchronous data output
PCM_IN 11
CMOS input, weak
internal pull-down
Synchronous data input
PCM_SYNC 13
Bi-directional, weak
internal pull-down
Synchronous data sync
PCM_CLK 12
Bi-directional, weak
internal pull-down
Synchronous data clock
Table 3: PCM Terminal Descriptions
UART
Interfaces
PIN
NUMBER
PAD TYPE DESCRIPTION
UART_TX 26
CMOS output, tri-
state, with weak
internal
p
ull-u
p
UART data output, active high
UART_RTS# 5
CMOS output, tri-
state, with weak
internal
p
ull-u
p
UART request to send, active low
UART_RX 6
CMOS input, tri-
state, with weak
internal
p
ull-down
UART data input, active high
UART_CTS# 10
CMOS input, tri-
state, with weak
internal
p
ull-down
UART clear to send, active low
Table 4: UART Terminal Descriptions