Datasheet Summary
Addendum to Datasheet
This document is an 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 voltage LI pin With Inductor MODE bit Start After VCARDOK = 1 No inductor Notes: Start 5V 0 0 1 3V 1/0 1 1 1
(1)
Smart Card Reader ICs AT83C5122 AT83EC5122 AT85C5122 AT85EC5122 AT89C5122 AT83C5123 AT83EC5123
1.8V 1 / 0(1) 1 1 1
After VCARDOK = 1 1 1. 1 is remended and 0 is allowed.
Figure 1. MODE bit start procedure
MODE = 1
VCARD[1:0]= 5V ?
Inductor ?
MODE = 0
Refe r to scib_ hw_ dcdcstart fu nctio n in scib _lib.c &...