Specifications

Cinterion
®
TX62-W/TX82-W Hardware Interface Description
2.1 Application Interface
73
t TX62-W_TX62-W-x_TX82-W-x_HID_v01.200d 2022-09-08
Public / Preliminary
Page 29 of 170
SIM card
detection
CCIN I Internal pull down resistor: 100k
R
I
≈ 110kΩ
V
IL
max = 0.5V
V
IH
min = 1.3V
V
IH
max = 1.95V
CCIN = High, SIM card
inserted.
If unused keep line open.
1.8V SIM
Card Inter-
face
CCVCC O V
O
min = 1.5V
V
O
typ = 1.8V
V
O
max = 2V
I
O
max = -60mA
Maximum cable length or
copper track to SIM card
holder should not exceed
100mm.
For more information on
how to connect the SIM
interface pads including
possible external capaci-
tors and ESD protection
please refer to Section
2.1.6.
CCRST
CCCLK
O
O
V
OL
max = 0.45V at I = 4.5 mA
V
OH
min = 1.20V at I = 2.5 mA
V
OH
max = 1.95V
CCIO I/O V
OL
max = 0.45V at I = 4.5 mA
V
OH
min = 1.20V at I = 2.5 mA
V
OH
max = 1.95V
V
IL
max = 0.5V
V
IH
min = 1.3V
V
IH
max = 1.95V
Table 4: Signal properties
Function Signal name IO Signal form and level Comment