Specifications

CINTERION
®
BGS12 Hardware Interface Description
Contents
77 of 109
Page
BGS12 HID_V00.915
Confidential / Released
2019
-
01
-
07
Table 25: Electrical description of application interface
Function Signal IO Signal form and level Comment
GPIO
interface
GPIO5
IO
V
OL
max = 0.19V
V
OH
min = 1.5V
V
OH
max = 2.05V
V
IL
max = 0.57V
V
IH
min = 1.53V
V
IH
max = 2.05V
If unused keep line open.
Please note that some
GPIO lines can be used
for functions other than
GPIO:
Status LED line: GPIO5
Jamming Indicator:
GPIO6
I
2
C: GPIO9/GPIO10.
For further details see
Section 3.14, Section
3.15, Section 3.16.
GPIO6
IO
GPIO7
IO
GPIO8
IO
GPIO10,
i.e.,
I2CDAT
IO
Input, Open Drain Output (no
Pull up)
V
IL
max = 0.84V
V
IH
min = 1.96V
V
IH
max = 3.1V
GPIO9,
i.e., I2CCLK
IO
Input, Open Drain Output (no Pull
up)
V
OH
max = 3.1V