Alcor AU9525 Panduan Referensi Teknis - Halaman 12
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4. System Architecture and Reference
Design
4
.
1
A
U
4
.
1
A
U
USB
XCVR
Upstream
Port
3.3
3.3V
Voltage
Card
Regulator
Power
6
9
5
2
5
B
l
o
c
k
D
i
a
9
5
2
5
B
l
o
c
k
D
i
a
Figure 4.1 AU9525 Block Diagram
USB
SIE
Processor
12MHz
XTAL
g
r
a
m
g
r
a
m
USB
RAM
FIFO
EEPROM
ROM
Interface
Reset
AU9525 USB Smart Card Reader Controller V1.00W
Card Eject
Smart
Card Reset
Card
Control
Card Insert
Smart
Card FIFO
Optional
256 Bytes
EEPROM
Card Data
Card Clock