AT83C5123
AT83C5123 is Smart Card Reader ICs manufactured by Atmel.
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 &...
