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AT89C5122D-RDRUM 数据表(PDF) 16 Page - ATMEL Corporation

部件名 AT89C5122D-RDRUM
功能描述  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C5122D-RDRUM 数据表(HTML) 16 Page - ATMEL Corporation

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AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
USB Keyboard with Smart Card Reader Using AT83R5122, AT8xC5122/AT89C5122DS
LEDx
VCC
KB1
KB2
KB3
KB4
KB5
KB6
KB7
P3[0-1,3-4]
P2[0-7]
P0[0-7]
Keyboard Matrix
C1
C2
C3
C4
C5
C6
C7
KB0
C0
GND
C1
EA/VCC (1)
GND
GND
C8
C9
VCC
VCC
VCC
AVCC
XTAL2
XTAL1
Q1
VCC
R2
GND
D-
D+
VREF
D+
D-
VCC
VBUS
GND
USB
R3
R1
AVSS
GND
C2
R4
C3
PLLF
VSS
GND
GND
C4
DVCC
10mA Max
GND
CCLK1
CRST1
CIO1
RST
CLK
I/O
C2
C3
C7
VCC
C1
GND
C5
Alternate Card
VCC
GND
RST
Optional
Capacitor
C10
Notes :
1 - Pin configuration depends on product versions
LI
L1
Smart Card
C1
C2
C3
C4
C7
C8
C5
VCC
RST
CLK
C4
I/O
C8
GND
S1
CPRES
S2
GND
GND
C6
S1
C7
CC8
CIO
CC4
CCLK
CRST
CVSS
CVCC
VCC
R5
180Ohms
15pF



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