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DSB75 Development Support Board Rev. B1 Hardware Description

Strictly confidential / Released

DSB75_hd_v08 Page 28 of 94 29.09.2005

4 5 6

X503

X500

X501

Figure 10: Pin location of the Molex SIM card holder and test pins

Table 8: Pin assignment – SIM card holder X503 and test pins X501

Pin number on

holder X503

X501 test

points

Signal name I/O Function

1 1 VSIM O Supply voltage U = 2.93V (typ.) or 1.8V for

SIM card, generated by the module.

2 2 CCRST O Chip card reset, prompted by the module

3 3 CCCLK O Chip card clock

4,8 4, 5, 7 CCGND - Separate ground line for the SIM card to

improve EMC

5 - CCVPP - Not connected

6 6 CCIO I/O Serial data line, bi-directional

7 8 CCIN I Chip card detection

0 = Chip card drawer is inserted

1 = Chip card drawer is not inserted

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 93 94

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