Rainbow-electronics T89C5121 Manual de usuario descargar pdf (Pagina 5)

A/T8xC5121

4164G–SCR–07/06

Signals All the T8xC5121 signals are detailed in Table 1.

The port structure is described in Section “Port Structure Description”.

Table 1. Ports Description

Port

Signal

Name Alternate

Internal

Power

Supply ESD Type Description

P1.0 CIO CV

4 kV I/O

Smart card interface function

Card I/O.

I/O

Input/Output function

P1.0 is a bi-directional I/O port .

Reset configuration

Input .

P1.1 CC8 CV

4 kV O

Smart card interface function

Card contact 8

Output function

P1.1 is a Push-pull port.

Reset configuration

Input

P1.2 CPRES V

4 kV I

Smart card interface function

Card presence

I/O

Input/Output function

P1.2 is a bi-directional I/O port with internal pull-ups- ( External Pull-up

configuration can be selected).

Reset configuration

Input (high level due to internal pull-up)

P1.3 CC4 CV

4 kV O

Smart card interface function

Card contact 4

Output function

P1.3 is a Push-pull port.

Reset configuration

Input (high level due to internal pull-up)

P1.4 CCLK CV

4 kV O

Smart card interface function

Card clock

I/O

Input/Output function

P1.4 is a a Push-pull port.

Reset configuration

Output at low level

P1.5 CRST CV

4 kV O

Smart card interface function

Card reset

I/O

Input/Output function

P1.5 is a a Push-pull port.

Reset configuration

Output at low level

1 2 3 4 5 6 7 8 9 10 ... 114 115

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Rainbow-electronics T89C5121 Manual de usuario Pagina 5

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