Specifications

Cinterion
®
EHS6-A Hardware Interface Overview
1.1 Key Features at a Glance
10
EHS6-A_HIO_v04.000 2019-03-05
Confidential / Preliminary
Page 8 of 40
Microsoft™ compatibility RIL for Pocket PC and Smartphone
SIM Application Toolkit SAT Release 99
Firmware update Generic update from host application over ASC0 or USB modem.
Interfaces
Module interface Surface mount device with solderable connection pads (SMT application
interface). Land grid array (LGA) technology ensures high solder joint reli-
ability and allows the use of an optional module mounting socket.
For more information on how to integrate SMT modules see also [3]. This
application note comprises chapters on module mounting and application
layout issues as well as on additional SMT application development equip-
ment.
USB USB 2.0 High Speed (480Mbit/s) device interface, Full Speed (12Mbit/s)
compliant
2 serial interfaces ASC0 (shared with GPIO lines):
8-wire modem interface with status and control lines, unbalanced, asyn-
chronous
Adjustable baud rates: 300bps to 921,600bps
Autobauding: 300bps to 230,400bps
Supports RTS0/CTS0 hardware flow control.
ASC1 (shared with GPIO lines):
4-wire, unbalanced asynchronous interface
Adjustable baud rates: 300bps to 921,60bps
Autobauding: 300bps to 230,400bps
Supports RTS1/CTS1 hardware flow control
Audio 1 analog interface (with microphone feeding)
1 digital interface (PCM), shared with GPIO lines
UICC interface Supported SIM/USIM cards: 3V, 1.8V
GPIO interface 14 GPIO lines shared with ASC0 lines, LED signalling, PWM functionality,
fast shutdown and pulse counter
4 GPIO lines shared with PCM interface
4 GPIO lines shared with ASC1, SPI and HSIC interfaces
I
2
C interface Supports I
2
C serial interface
HSIC interface High-Speed Inter-Chip (HSIC) interface for USB chip-to-chip interconnect
including Link Power Management (LPM) lines shared with GPIO lines
SPI interface Serial peripheral interface, shared with GPIO lines
Antenna interface pads 50
Power on/off, Reset
Power on/off Switch-on by hardware signal AUTO_ON and ON
Switch-off by AT command
Switch off by hardware signal FST_SHDN instead of AT command
Automatic switch-off in case of critical temperature and voltage conditions
Reset Orderly shutdown and reset by AT command
Emergency reset by hardware signal EMERG_RST
Feature Implementation