Specifications

CINTERION
®
BGS12 Hardware Interface Description
Contents
76 of 109
Page
BGS12 HID_V00.915
Confidential / Released
2019
-
01
-
07
Table 23: Electrical description of application interface
Function Signal IO Signal form and level Comment
Serial
Interface
ASC0
RXD0
O
V
OL
max = 0.19V
V
OH
min = 2.78V
V
OH
max = 3.1V
V
IL
max = 0.84V
V
IH
min = 1.96V
V
IH
max = 3.3V
If unused keep line
open.
TXD0 I
CTS0 O
RTS0 I
RING0 O
DTR0 I
DSR0 O
DCD0 O
Serial
Interface
ASC1
RXD1 O V
OL
max = 0.19V
V
OH
min = 2.78V
V
OH
max = 3.1V
V
IL
max = 0.84V
V
IH
min = 1.96V
V
IH
max = 3.3V
TXD1 I
Serial
RXD2 O V
OL
max = 0.19V
V
OH
min = 2.78V
V
OH
max = 3.1V
V
IL
max = 0.84V
V
IH
min = 1.96V
V
IH
max = 3.3V
If unused keep line
open.
Interface
ASC2
TXD2 I
RTS2 I
CTS2 O
Table 24: Electrical description of application interface
Function Signal IO Signal form and level Comment
I2C
I2CCLK O V
IL
max = 0.84V
V
IH
min = 1.96V
V
IH
max = 3.1V
I2C is configured as
pull-up internal and
needs a pull-up resistor
in the host
application.
If lines are unused
keep lines open.
I2CDAT IO