> 0 | Document History

> Preceding document: "TC65 Hardware Interface Description" Version 02.800a
> New document: "TC65 Hardware Interface Description" Version 03.000

> Chapter | What is new
> 2.1 | Updated key feature list.
> 3.3.1.1 | Deleted a remark on inactive state of IGT.
> 3.3.1.5 | Updated time period EMERG_RST should at least go low before being released and before TC65 can be restarted.
> 3.3.1.7 | Added section Automatic Restart after Shutdown.
> 3.3.2 | Modified signal states.
> 3.5.3 | Updated battery specifications in Table 10.
> 3.5.4 | Updated reference to battery specification.
> 3.10 | Removed note from Figure 17 on availability of signal pins under Java. Removed related note from Chapter 7.
> 3.15.2 | Specified minimum / maximum voltages at MIC pins.
> 5.6 | Added I VUSB to Table 31.
> 9 | Deleted subsection "Data Sheets of Tested Batteries".
> 9.1 | Updated Siemens ordering numbers for TC65.

> Preceding document: "TC65 Hardware Interface Description" Version 02.800
> New document: "TC65 Hardware Interface Description" Version 02.800a

> Chapter | What is new
> 3.3.2 | Updated signal states for GPIO6 and GPIO7 signals in Table 8.

> Preceding document: "TC65 Hardware Interface Description" Version 02.500
> New document: "TC65 Hardware Interface Description" Version 02.800

> Chapter | What is new
> 1.3.1 | Removed outdated standards from Table 1. Updated list of standards (Table 2 and Table 3). Added MII standards to list of directives and standards (Table 5 and Table 6). Added note on PTCRB approval for applications used in the USA.
> 3.3.1.1 | Added remark that after power on IGT should be set inactive high.
> 3.12 | Removed section describing USB modem installation. For installation details see [11].
> 3.15.3 | Added remark that audio interface EP2 alone can be connected in single ended configuration (revised Table 30 and Table 36 and further audio sections accordingly).
> 3.16, 5.5 | Updated ADC accuracy values.
> 6.1 | Modified PCB thickness in Figure 44.
> 9.3 | New Appendix section: Mounting Advice Sheet.

> Preceding document: "TC65 Hardware Interface Description" Version 02.000
> New document: "TC65 Hardware Interface Description" Version 02.500

> Chapter | What is new
> 1.1 | Updated related documents.
> 3.10 | Added note in Figure 17 on availability of signal pins under Java. See also Chapter 7.
> 3.3.1.1 | Added reference to Section 3.3.1.6 in Figure 5 and Figure 6.
> 3.5.4, 9.3 | Added information related to specific types of batteries and specific vendors.
> 3.15.4 | Revised section to include master and slave mode for the digital audio interface.
> 3.17.1 | Added remark on reliable pulse detection.
> 5.5 | Table 30: Modified RTC input voltage values (RTC Backup VDDLP).
> 5.6 | Updated average current consumption values in Table 32 and Table 33.
> 5.7.2 | Modified position of <outCalibrate> in Figure 46.
> 5.7.3 | Updated values for Table 35.
> 5.7.4, 5.7.5 | Modified description of test conditions.

> Preceding document: "TC65 Hardware Interface Description" Version 01.041
> New document: "TC65 Hardware Interface Description" Version 02.000

> Chapter | What is new
> 1.3.1 | Added CE logo. Updated list of standards.
> 2.1 | Updated operating temperatures. Added further firmware download options. Updated audio features.
> 3.3.1.1 | Added further details on timing after power-up. Added alert message “SHUTDOWN after Illegal PowerUp”
> 3.3.1.1 | More details on IGT timing depending on Power-Down or Charge-only mode.
> 3.3.1.2 | New chapter: Configuring the IGT Line for Use as ON/OFF Switch
> 3.3.2 | New chapter: Signal States after Startup.
> 3.3.4.1 | Revised Table 7: Temperature dependent behavior.
> 3.4 | Minor text change.
> 3.5, 9 | Removed all information related to specific types of batteries and specific vendors.
> 3.5.3 | Updated battery specifications in Table 8.
> 3.5.6 | More detailed description of charging timers.
> 3.5.7, 3.7 | Described transition from Charge-only to Normal mode by switching off Airplane mode.
> 3.3.1.3, 3.5.3, 3.7 | To change from Charge-only mode to Normal mode the IGT line must be pulled low for at least 2s and then released. High state of IGT lets TC65 enter Normal mode.
> 3.6 | New chapter: Power Saving
> 3.12 | TC65 does not support generic USB 2.0 High Speed hubs.
> 3.15.2.2 | Added remarks on VMIC behaviour.
> 3.15.2.3 | Replaced remark on VMIC behaviour.
> 3.15.4 | Bit clock frequency increased from 128 to 256 kHz. Added ±100ns jitter. Modified Figure 29.
> 3.16 | Completely revised chapter: Analog-to-Digital Converter (ADC)
> 3.17 | New chapter: GPIO Interface
> 5.1 | New maximum values for voltage at analog pins with VMIC on/off.
> 5.2 | Specified board / battery temperatures and ambient temperatures.
> 5.3 | Changed storage air temperature.
> 5.5 | Specified internal pull-down resistors 330kΩ at TXD0, RXD0, TXD1, RXD1. Changed all V IH min values from 2.0 to 2.15V. Corrected USB_DP row. Added recommendation to connect pull-up or pull-down resistors to GPIO pins if configured as output.
> 5.6 | Table 27: Different current consumption depending on whether autobauding enabled / disabled. Table 28, Table 29: Updated current consumption during Tx burst for GSM 850, 900, 1800 and 1900.
> 5.7 | New chapter: Electrical Characteristics of the Voiceband Part
> 7 | Described greater flexibility for using ASC0, ASC1 and USB.
> 9.1 | Added / updated Siemens ordering numbers for TC65

> Preceding document: "TC65 Hardware Interface Description" Version 01.030
> New document: "TC65 Hardware Interface Description" Version 01.041

> Chapter | What is new
> 1.3.1 | Deleted WEEE Directives. Added RoHS logo.
> 2.1 | Completed brief descriptions of pulse counter, ADC, DAC and firmware update. Deleted specification of power consumption.
> 2.3 | Corrected block diagram.
> 3.3.1.6 | New chapter: Using EMERG_RST Signal to Reset Application(s) or External Device(s)
> 3.12 | Changed Figure 18.
> 3.16 | New chapter: Analog-to-Digital Converter (ADC).
> 3.17.1 | New chapter: Using the GPIO10 Pin as Pulse Counter.
> 5.1 | Updated Table 20: Absolute maximum ratings.
> 5.5 | Completed specifications of EMERG_RST, SYNC, USB. Corrected specifications of pulse counter, ADC and analog audio interface. Modified Iomax of CHARGEGATE pin.

> Preceding document: "TC65 Hardware Interface Description" Version 00.550
> New document: "TC65 Hardware Interface Description" Version 01.030

> Chapter | What is new
> 1.3.1 | Deleted section “Compliance with international rules and regulations”.
> 3.3.1.1 | Added further details on timing after power-up.
> 3.3.3.3 | New chapter: Turn on/off TC65 Applications with Integrated USB
> 3.14 | Updated Figure 22: Characteristics of SPI modes.
> 3.15.2, 3.15.2.2 | Specified minimum / maximum voltages at MIC pins.
> 5.1 | Corrected ratings for Power Down mode and normal operation.
> 5.3 | Added chapter Storage Conditions.
> 8.2 | Changed note on recommendations for mobile and fixed devices. Added remark on configuring frequency bands depending on whether or not product is approved for use in U.S. territories.

> Preceding document: "TC65 Hardware Interface Description" Version 00.521
> New document: "TC65 Hardware Interface Description" Version 00.550

> Chapter | What is new
> 1.3.1 | Added European Directives related to RoHS and WEEE. Updated version numbers of several standards.
> 2.1, 3.10, 3.11 | Updated bit rates and specification of autobauding.
> 2.2 | Updated figure “TC65 system overview”.
> 3.14 | New chapter: SPI Interface
> 5.5 | Updated specification of ADC1_IN, ADC2_IN, MICP1/MICN1 and MICP2/MICN2

> Preceding document: "TC65 Hardware Interface Description" Version 00.450
> New document: "TC65 Hardware Interface Description" Version 00.521

> Chapter | What is new
> 2.1, 3.3.1.5, 3.7, 5.3 | Modified description of EMERG_RST line: EMERG_RST and additional activation of IGT will reset TC65. EMERG_RST without activation of IGT will switch TC65 off.
> 2.1, 2.2, 3.11, 3.12 | Explained different usage of ASC1 and USB depending on Java.
> 3.3.4.5 | Further details on overvoltage shutdown.
> 3.15.4 | New chapter: Digital Audio Interface DAI
> 5.6 | Added new table “Current consumption during Tx burst for GSM 1800MHz and GSM 1900MHz”.
> 7 | Added remarks on I 2C, SPI, USB, ASC1. Modified Figure 47.

> Preceding document: "TC65 Hardware Interface Description" Version 00.302
> New document: "TC65 Hardware Interface Description" Version 00.450

> Chapter | What is new
> Throughout manuals | IGT line needs to be driven low for at least 400m
> 2.1 | Updated description of I 2C and SPI.
> 3.1 | New chapter: Operating Modes
> 3.3.1 | Added remarks on different operating modes.
> 3.3.4.3 | Added remark on shutdown threshold in IDLE mode.
> 3.5.2 | New chapter to describe requirements to control end of charging.
> 3.5.3 | Updated recommended battery specifications.
> 3.5.7 | Added remark on how to switch the module off when in Charging-only mode.
> 3.7 | New chapter: Summary of State Transitions (Except SLEEP Mode)
> 3.18 | More detailed description of AT^SSPI.
> 3.18.1 | Updated forward time of SYNC signal during transmit burst.
> 5.2 | Added remark on temperature tolerances.
> 5.3 | Renamed pins of I 2C and SPI.
> 5.6 | Changed table “Current consumption during transmit burst”