Product Info

Cinterion
®
TX62-W(-B/-C)/TX82-W Hardware Interface Description
Contents
154
t TX62-W_TX62-W-x_TX82-W_HID_v01.000 2021-05-19
Confidential / Preliminary
Page 3 of 154
Contents
1 Introduction ................................................................................................................. 9
1.1 Product Variants ................................................................................................ 9
1.2 Key Features at a Glance ................................................................................ 10
1.3 TX62/TX82 System Overview.......................................................................... 15
1.4 Circuit Concept ................................................................................................ 16
2 Interface Characteristics .......................................................................................... 20
2.1 Application Interface ........................................................................................ 20
2.1.1 Pad Assignment.................................................................................. 20
2.1.2 Signal Properties................................................................................. 24
2.1.2.1 Absolute Maximum Ratings ................................................ 30
2.1.3 USB Interface...................................................................................... 31
2.1.4 Serial Interface ASC0 ......................................................................... 32
2.1.5 Serial Interface ASC1 ......................................................................... 34
2.1.6 UICC/SIM/USIM Interface................................................................... 36
2.1.6.1 Enhanced ESD Protection for SIM Interface....................... 38
2.1.7 eUICC Interface .................................................................................. 39
2.1.8 GPIO ................................................................................................... 41
2.1.8.1 GPIOs Available with Embedded Processing Option.......... 42
2.1.9 I
2
C Interface ........................................................................................ 43
2.1.10 SPI Interface ....................................................................................... 44
2.1.11 Control Signals.................................................................................... 45
2.1.11.1 Status LED .......................................................................... 45
2.1.11.2 Power Indication Circuit ...................................................... 45
2.1.11.3 Fast Shutdown .................................................................... 46
2.1.11.4 SIM Switch .......................................................................... 47
2.1.11.5 SUSPEND Mode Indicator .................................................. 48
2.2 RF Antenna Interface....................................................................................... 49
2.2.1 Antenna Interface Specifications ........................................................ 49
2.2.2 Antenna Installation ............................................................................ 58
2.2.3 RF Line Routing Design...................................................................... 59
2.2.3.1 Line Arrangement Examples ............................................... 59
2.2.3.2 Routing Example................................................................. 64
2.3 GNSS Interface................................................................................................ 65
2.3.1 GNSS Receiver................................................................................... 65
2.3.2 GNSS Antenna ................................................................................... 65
2.3.3 GNSS Antenna Interface Characteristics (TBD.) ................................ 66
2.4 Sample Application .......................................................................................... 67
2.4.1 Sample Level Conversion Circuit........................................................ 69