Wavecom G1800 Manual de usuario descargar pdf (Pagina 21)

WM2C-G900/G1800 08/01/00

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Pin description

Signal Pin number I/O I/O type Description

SIMCLK 3 O 2X SIM Clock

SIMRST 5 O 2X SIM Reset

SIMDATA 7 I/O CMOS / 3X SIM Data

SIMVCC 9 O SIM Power Supply

SIMPRES 50 I CMOS SIM Card Detect

Electrical Characteristics

Parameter Conditions Min Typ Max Unit

SIMDATA V

= ± 20µA

0.7xSIMVCC V

SIMDATA V

= 1mA

0.3xSIMVCC V

SIMRST,

SIMDATA

SIMCLK V

Source current = 20µA

SIMVCC – 0.1V

SIMRST,

SIMDATA

SIMCLK V

Sink current = -200µA

0.1 V

SIMVCC Output

Voltage

SIMVCC

<= 6mA

2.70 2.80 2.85

SIMCLK

Rise/Fall Time

Loaded with 30pF

50 ns

SIMRST,

SIMDATA

Rise/Fall Time

Loaded with 30pF

1 µs

SIMCLK

Frequency

Loaded with 30pF

3.25 MHz

When not used SIMPRES has to be tied to VCC.

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 51 52

PRELIMINARY 1
Contents 4
1. Introduction 7
2. Functionalities 8
2.2. RF Functionalities 9
3. Interfaces 11
3.2. RF interface 12
T = 4,6 ms 13
SIMVCC – 0.1V 21
4. Technical Specifications 40
4.2. RF performances 41
4.4. Interfaces 43
*Nota : X = 2 or 9 45
5. Appendix 48
WM2C-G900/G1800 08/01/00 49
Thold = 2s 51

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Wavecom G1800 Manual de usuario Pagina 21

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