User's Manual

Table Of Contents
BlueMod+S/AI
Hardware Reference
www.stollmann.de Page 13 of 52
The following table shows the pin states of BlueMod+S during reset active.
Pin Name State: BlueMod+S
EXT-RES# Input with pull-up
(1)
XL-IN/SLCK Input floating (disconnected)
XL-OUT Input floating (disconnected)
UART-TXD Input floating (disconnected)
UART-RXD Input floating (disconnected)
UART-RTS# Input floating (disconnected) with pull-up resistor 470kΩ
(2)
UART-CTS# Input floating (disconnected)
IUR-OUT# Input floating (disconnected)
IUR-IN# Input floating (disconnected)
GPIO[0:14] Input floating (disconnected)
TESTMODE# Input floating (disconnected)
BOOT0 Input floating (disconnected)
SWDIO Input with pull-up
(1)
SWCLK Input with pull-down
(1)
(1)
pull-up, pull-down: R
PU,
R
PD
is typ. 13kΩ (11kΩ to 16kΩ)
(2)
a discrete resistor is used
Table 2: Pin States during Reset
The pin states as indicated in Table 2 are kept until hardware initialization has started.