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TC65 Hardware Interface Description
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TC65_HD_V02.000 Page 7 of 120 08.06.2006
0 Document History
Preceding document: "TC65 Hardware Interface Description" Version 01.041
New document: "TC65 Hardware Interface Description" Version
02.000
Chapter What is new
1.3 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.
3.5.5 More detailed description of charging timers.
3.5.6, 3.7 Described transition from Charge-only to Normal mode by switching off Airplane mode.
3.3.1.3,
3.5.6, 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
- Hardware Interface Descri 1
- Contents 3
- Figures 6
- 0 Document History 7
- 1 Introduction 10
- 1.2 Terms and Abbreviations 11
- 1.3 Type Approval 14
- 1.4 Safety Precautions 16
- 2 Product Concept 18
- 2.2 TC65 System Overview 21
- 2.3 Circuit Concept 22
- 3 Application Interface 23
- 3.1 Operating Modes 24
- 3.2 Power Supply 26
- 3.3.1 Turn on TC65 28
- 31
- Table 6: Signal states 34
- 3.3.3 Turn off TC65 36
- 3.3.4 Automatic Shutdown 39
- 3.3.4.5 Overvoltage Shutdown 41
- 3.5 Charging Control 43
- 3.5.1 Hardware Requirements 43
- 3.5.2 Software Requirements 43
- 3.5.4 Charger Requirements 45
- 3.6 Power Saving 48
- AT interface disabled 49
- AT interface enabled 49
- 3.8 RTC Backup 51
- 3.9 SIM Interface 52
- 3.10 Serial Interface ASC0 53
- 3.11 Serial Interface ASC1 55
- 3.12 USB Interface 56
- C Interface 59
- Figure 20: I 60
- 3.14 SPI Interface 61
- SPI MODE 0 SPI MODE 1 62
- SPI MODE 2 SPI MODE 3 62
- Clock phase 62
- Clock polarity 62
- 3.15 Audio Interfaces 63
- 3.15.1 Speech Processing 64
- 3.15.2 Microphone Circuit 64
- GSM module 68
- Figure 29: PCM timing 70
- 3.17 GPIO Interface 72
- 3.18 Control Signals 73
- 3.18.4 PWR_IND Signal 75
- 4 Antenna Interface 76
- Antenna 77
- 4.2 Antenna Pad 78
- 4.2.1 Suitable Cable Types 78
- 4.3 Antenna Connector 79
- 5.2 Operating Temperatures 84
- 5.3 Storage Conditions 85
- EMRG_RST 89
- 5.6 Power Supply Ratings 95
- 5.7.4 Voiceband Receive Path 101
- 5.8 Air Interface 103
- 5.9 Electrostatic Discharge 104
- 6 Mechanics 105
- Confidential / Released 106
- 7 Sample Application 111
- 8 Reference Approval 113
- 9 Appendix 115
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