Siemens XT75 Spécifications télécharger pdf (Page 37)

XT65/XT75 Hardware Interface Overview

6.5 Pin Assignment and Signal Description

XT65_XT75_HO_v00.130 Page 37 of 67 2006-10-12

Confidential / Preliminary

SIM

interface

specified

for use

with 3V

SIM card

CCIN I R

≈ 100kΩ

max = 0.6V at I = -25µA

min = 2.1V at I = -10µA

max = 3.05V

CCIN = Low, SIM card holder

closed

Maximum cable length or copper

track 100mm to SIM card holder.

All signals of SIM interface are

protected against ESD with a spe-

cial diode array.

Usage of CCGND is mandatory.

CCRST O R

≈ 47Ω

max = 0.25V at I = +1mA

min = 2.5V at I = -0.5mA

max = 2.95V

CCIO I/O R

≈ 4.7kΩ

max = 0.75V

min = -0.3V

min = 2.1V

max = CCVCCmin + 0.3V =

3.05V

≈ 100Ω

max = 0.3V at I = +1mA

min = 2.5V at I = -0.5mA

max = 2.95V

CCCLK O R

≈ 100Ω

max = 0.3V at I = +1mA

min = 2.5V at I = -0.5mA

max = 2.95V

CCVCC O V

min = 2.75V

typ = 2.85V

max = 2.95V

max = -20mA

CCGND Ground

Table 17: Signal description

Function Signal name IO Signal form and level Comment

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 57 58

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