Reader ICs. AT83EC5122 Datasheet

AT83EC5122 Datasheet PDF, Equivalent


Part Number

AT83EC5122

Description

Smart Card Reader ICs

Manufacture

ATMEL Corporation

Total Page 2 Pages
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Download AT83EC5122 Datasheet PDF


AT83EC5122 Datasheet
Addendum to Datasheet
This document is an addendum for the Smart Card Interface block concerning the “Ini-
tialization Procedure” section of the AT8xC5122/3 datasheet, available on the Atmel
web site.
Table 1. DCCKPS.7 (S:BFh) : MODE bit management
CVCC DC/DC Output voltage
LI pin
With Inductor
MODE bit
Start
5V 3V 1.8V
0
1 / 0(1)
1 / 0(1)
After VCARDOK = 1
0
1
1
No inductor
Start
111
After VCARDOK = 1
1
1
1
Notes: 1. 1 is recommended and 0 is allowed.
Figure 1. MODE bit start procedure
MODE = 1
Smart Card
Reader ICs
AT83C5122
AT83EC5122
AT85C5122
AT85EC5122
AT89C5122
AT83C5123
AT83EC5123
VCARD[1:0]= 5V
?
Inductor ?
MODE = 0
Refer to scib_hw_dcdcstart function in scib_lib.c & config.h from
scib_hid_usb_2_2_4.zip package.
Rev. 4372A–SCR–08/04
1

AT83EC5122 Datasheet
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4372A–SCR–08/04
/0M


Features Datasheet pdf Addendum to Datasheet This document is a n addendum for the Smart Card Interface block concerning the “Initialization Procedure” section of the AT8xC5122/ 3 datasheet, available on the Atmel web site. Table 1. DCCKPS.7 (S:BFh) : MODE bit management CVCC DC/DC Output volta ge LI pin With Inductor MODE bit Start After VCARDOK = 1 No inductor Notes: St art 5V 0 0 1 3V 1/0 1 1 1 (1) Smart Ca rd Reader ICs AT83C5122 AT83EC5122 AT85 C5122 AT85EC5122 AT89C5122 AT83C5123 AT 83EC5123 1.8V 1 / 0(1) 1 1 1 After VC ARDOK = 1 1 1. 1 is recommended and 0 i s allowed. Figure 1. MODE bit start pr ocedure MODE = 1 VCARD[1:0]= 5V ? Ind uctor ? MODE = 0 Refe r to scib_ hw_ dcdcstart fu nctio n in scib _lib.c & c onfig.h from scib_hid_usb_2_2_4.zip pac kage. Rev. 4372A–SCR–08/04 1 Atm el Headquarters Corporate Headquarters 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 487-260 0 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 436-4314 RF.
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