at83c5122 ATMEL Corporation, at83c5122 Datasheet - Page 19

• Manufacturer Part Number: at83c5122
• Description: At83c5123 C51 Microcontroller With Usb And Smart Card Reader Interfaces
• Manufacturer: ATMEL Corporation

USB Smart Card Reader Using the AT83C5123 Version
4202E–SCR–06/06
USB
VBUS
GND
D+
D-
VCC
GND
C3
R4
VCC
GND
10mA Max
R1
R2
R3
GND
C2
C4
C9
GND
VREF
D+
D-
DVCC
EA
PLLF
AVSS
VCC
VCC
GND
VSS
GND
C8
XTAL1
AVCC
VCC
CPRES
Q1
CRST1
CCLK1
XTAL2
CVCC
CRST
CVSS
CCLK
LEDx
CIO1
RST
GND
CC4
CC8
CIO
LI
C1
GND
C6
C10
L1
GND
C7
R5
Capacitor
GND
VCC
Optional
VCC
VCC
AT8xC5122/23
Alternate Card
C1
C2
C3
C7
C5
C1
C5
C2
C3
C4
C7
C8
S1
Smart Card
S1
VCC
RST
CLK
I/O
GND
VCC
GND
RST
CLK
C4
I/O
C8
GND
S2
19