st8024l STMicroelectronics, st8024l Datasheet - Page 24

• Manufacturer Part Number: st8024l
• Description: Smartcard Interface
• Manufacturer: STMicroelectronics

Functional description
5.11
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V
The ST8024L supports three smartcard V
selection is controlled by the 1.8V and 5V/3V signals as shown in
has priority over the 5V/3V. When the 1.8V pin is taken high, V
any setting on the 5V/3V pin.
When the 1.8V pin is taken low, the 5V/3V pin selects the 5 V or 3 V V
taken high, then V
Table 23.
CC
selection settings
5V/3V pin
0
1
x
V
CC
selection settings
CC
is 5 V and if the 5V/3V pin is taken low then V
Doc ID 17709 Rev 3
1.8V pin
0
0
1
CC
voltages: 1.8 V, 3 V and 5 V. The V
CC
V
CC
Table
is 1.8V and it overrides
1.8 V
CC
3 V
5 V
output
CC
is 3 V.
23. The 1.8V signal
. If the 5V/3V pin is
CC
ST8024L