Specifications

Cinterion
®
PLSx3 Hardware Interface Description
2.1 Application Interface
60
t PLSx3_HID_v01.003 2021-03-12
Public / Released
Page 23 of 121
Serial
Interface
ASC0
RXD0 O V
OL
max = 0.45V
V
OH
min = 1.35V
If unused keep lines open.
Test points recommended
for RXD0, TXD0, RTS0,
and CTS0.
CTS0
DSR0
DCD0
RING0
TXD0 I V
IL
max = 0.63V
V
IH
min = 1.17V
RTS0 I V
IL
max = 0.63V
V
IH
min = 1.17V
DTR0 I V
IL
max = 0.63V
V
IH
min = 1.17V
Serial Inter-
face ASC1
RXD1 O V
OL
max = 0.45V
V
OH
min = 1.35V
If unused keep lines open
Test points recommended
for RXD1, TXD1, RTS1,
and CTS1.
CTS1 O
TXD1 I V
IL
max = 0.63V
V
IH
min = 1.17V
RTS1 I V
IL
max = 0.63V
V
IH
min = 1.17V
SIM card
detection
CCIN I V
IH
min = 1.17V
V
IH
max = 1.97V
V
IL
max = 0.63V
CCIN = low, SIM card
inserted.
CCIN= high, SIM card
removed.
If unused keep line open.
3V SIM
Card Inter-
face
CCRST1
CCRST2
OV
OL
max = 0.4V
V
OH
min = 2.2V
V
OH
max = 3.04V
Maximum cable length or
copper track to SIM card
holder should not exceed
100mm.
CCIO2 should add 10k
pull-up to CCVCC2
CCIO1
CCIO2
I/O V
IL
max = 0.55V
V
IH
min = 2.128V
V
IH
max = 3.05V
V
OL
max = 0.4V
V
OH
min = 2.2V
V
OH
max = 3.04V
CCCLK1
CCCLK2
OV
OL
max = 0.4V
V
OH
min = 2.2V
V
OH
max = 3.04V
CCVCC1
CCVCC2
OV
O
min = 2.75V
V
O
typ = 2.85V
V
O
max = 3.04V
I
O
max = -30mA
Table 3: Signal properties (Sheet 3 of 5)
Function Signal name IO Signal form and level Comment