UM1607 STMICROELECTRONICS | Alldatasheet
Document overview
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Technical content
use the ST8034HC smartcard interface device demonstration board. minimum external components. Figure 1. Demonstration board with card connector and microcontroller board interface
1 Applications
Set-top boxes Pay-TV Identification Tachographs Banking
2 Description
Figure 2. Demonstration board description
2.1 Use of the demonstration board
on the board are in the same order as the signals in the flat interface cable. with the data signals (clock source switch position “Ext”).
points are available in a sufficient amount throughout the board.
2.2 Smartcard interface
(a presence switch inside the card connector, normally open).
2.3 Interface to a microcontroller block
2.4 Default functionality notes
a sufficient robustness and a minimum current consumption. range (i.e. consider also voltage supply tolerance range). Table 1. VCC selection by VCC_SEL1 and VCC_SEL2 switches
- x = don't care, however, please note that a combination of VCC_SEL1 = VCC_SEL2 = GND and
CMDVCC = high puts the ST8034HC device into a deep shutdown mode.
3 Board layout
3.1 Layout recommendations
layout and external component selection are not so strict (general PCB layout rules apply). possible to the appropriate pin of the ST8034 device and use sufficiently wide PCB tracks. Make the data and clock lines as short as possible and use a ground plane.
3.2 Component placement
Figure 3. Component placement on the PCB
4 Schematic diagram
Figure 4. Schematic diagram
5 Bill of material
Table 2. Bill of material
6 Revision history
Table 3. Document revision history 02-May-2013 1 Initial release.