Alcor AU9510, Technical Reference Manual

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PIN ASSIGNMENT 7
Table 3-1 (continued). Pin Description for the 28-pin SSOP
Pin # Pin Name I/O Description
15 SCARDPWRN O Smart_Card power enable (active low for power
switch)
16 SCARDRST O/Tri Smart_Card Reset
17 SCARDCLK I/O Smart_Card Clock
18 GPIO_5 I/O General purpose IO
19 SCARDDETECTN I Smart_Card Inserted (active low)
20 GPIO_4 I/O General purpose IO
21 TESTEN0 I Testenable
22 RSTN I Hardware reset (active low)
23 GNDAP Analog
Ground
Output
Analog ground
24 VCCAP Analog
Input
Analog VCC
25 XTAL_1 I 12 MHz crystal input
26 XTAL_2 O 12 MHz crystal output
27 VCC5IO 5V VCC
I/O
+5V power supply
28 GNDIO 5V GND
I/O
Ground