S50 Hardware User Guide
1VV0301505 Rev. 1
Page
28
of
53
2018-03-02
DC Parameter
All Module I/O pins are connected directly to the Nordic nRF52832 chip without signal
conditioning except for some pull-up/pull-down resistors (as indicated). Therefore, the
electrical characteristics are as documented in the Nordic nRF52832 data sheet [8].
6.3.1.
General Purpose I/O (GPIO)
T
amb
= 25°C
VSUP = 1,7 to 3,6V
Symbol
Item
Condition
Limit
Unit
Min
Typ
Max
V
IL
Input Low Voltage
0,3*VSUP V
V
IH
Input High Voltage
0,7*VSUP
V
V
OL
Output Low Voltage
VSS + 0,4
V
V
OH
High-Level Output Voltage
VSUP-0,4
V
I
OL
/I
OH
Low and High Level
Output Current
drive = std
0,5
mA
drive = hi
(1)
5
mA
R
PU
/R
PD
pull-up/down resistor
11
13
16
k
Ω
C
l
Pad Capacitance
3,0
pF
(1)
maximal number of pins (per package) with high drive is 3
Table 11: DC Characteristics, Digital IO
6.3.2.
Reset
Input EXT-RES# has a Schmitt-Trigger characteristic and an internal pull-up resistor.
T
amb
= 25°C VSUP = 1,7 to 3,6V
Symbol
Item
Condition
Limit
Unit
Min
Typ
Max
V
IL
Low-Level Threshold
0,25*VSUP
V
V
IH
High-Level Threshold
0,75*VSUP
V
R
PU
pull-up resistor
11
13
16
k
Ω
C
l
Input Capacitance
3
pF
Table 12: Reset Characteristics
Summary of Contents for BlueMod+S50/AI
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