Siemens TC65 Specifications Page 92
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TC65 Hardware Interface Description
Confidential / Released
s
TC65_HD_V02.000 Page 92 of 120 08.06.2006
Function Signal name IO Signal form and level Comment
I2CCLK _SPICLK O V
OL
max = 0.2V at I = 2mA
V
OH
min = 2.55V at I = -0.5mA
V
OH
max = 3.05V
I
2
C interface
I2CDAT_SPIDO I/O V
OL
max = 0.2V at I = 2mA
V
IL
max = 0.8V
V
IH
min = 2.15V
V
IH
max = VEXTmin + 0.3V = 3.05V
I
2
C interface is only available
if the two pins are not used as
SPI interface. I2CDAT is
configured as Open Drain
and needs a pull-up resistor
in the host application.
According to the I
2
C Bus
Specification Version 2.1 for
the fast mode a rise time of
max. 300ns is permitted.
There is also a maximum
V
OL
=0.4V at 3mA specified.
The value of the pull-up
depends on the capacitive
load of the whole system (I2C
Slave + lines). The maximum
sink current of I2CDAT and
I2CCLK is 4mA.
If lines are unused keep pins
open.
SPI
Serial
Peripheral
Interface
SPIDI
I2CDAT_SPIDO
I2CCLK_SPICLK
SPICS
I
O
O
O
V
OL
max = 0.2V at I = 2mA
V
OH
min = 2.55V at I = -0.5mA
V
OH
max = 3.05V
V
IL
max = 0.8V
V
IH
min = 2.15V,
V
IH
max = VEXTmin + 0.3V = 3.05V
If the Serial Peripheral
Interface is active the I
2
C
interface is not available.
If lines are unused keep pins
open.
VUSB_IN I V
IN
min = 4.0V
V
IN
max = 5.25V
USB_DN I/O
USB
USB_DP I/O
Differential Output Crossover voltage
Range
V
CRS
min = 1.5V, V
CRS
max = 2.0V
Line to GND:
V
OH
max = 3.6V
V
OH
typ = 3.2V
V
OH
min = 3.0V at I=-0.5mA
V
OL
max = 0.2V at I=2mA
V
IH
min = 2.24V
V
IL
max = 0.96V
Driver Output Resistance
Z
typ
= 32Ohm
Pullup at USB_DP R
typ
=1.5kOhms
All electrical characteristics
according to USB
Implementers’ Forum, USB
2.0 Full Speed Specification.
Without Java: USB port
Under Java: Debug interface
for development purposes or
Java System.out.
If lines are unused keep pins
open.
- 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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