BlueMod+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
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 kΩ
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
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 kΩ
C
l
Input Capacitance 3 pF
Table 12: Reset Characteristics