User's Manual
Table Of Contents
- Contents
- Tables
- Figures
- 1 Introduction
- 2 Interface Characteristics
- 2.1 Application Interface
- 2.2 RF Antenna Interface
- 2.3 Sample Application
- 3 Operating Characteristics
- 3.1 Operating Modes
- 3.2 Power Up/Power Down Scenarios
- 3.3 Power Saving
- 3.4 Power Supply
- 3.5 Operating Temperatures
- 3.6 Electrostatic Discharge
- 3.7 Blocking against RF on Interface Lines
- 3.8 Reliability Characteristics
- 4 Mechanical Dimensions, Mounting and Packaging
- 5 Regulatory and Type Approval Information
- 6 Document Information
- 7 Appendix
Cinterion
®
ELS61-AUS Hardware Interface Description
2.1 Application Interface
52
ELS61-AUS_HID_v00.031 2016-06-03
Confidential / Preliminary
Page 36 of 102
The following figure shows the startup behavior of the I
2
C interface. With an active state of the
ASC0 interface (i.e. CTS0 is at low level) the initialization of the I
2
C interface is also finished.
Figure 15: I
2
C startup behavior
I2CCLK
I2CDAT
Open Drain
Open Drain
(external pull up)
(external pull up)
CTSx
ON
EMERG_RST
Power supply active
Start up
Firmware
initialization
Command interface
initialization
Interface
active
Reset
state
V180
VCORE