AT83EC5123 datasheet pdf

1 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. Notes:1. 1 is recommended and 0 is allowed. Figure 1. MODE bit start procedure Refer to scib_hw_dcdcstart function in scib_lib.c & config.h from scib_hid_usb_2_2_4.zip package. Table 1. DCCKPS.7 (S:BFh) : MODE bit management CVCC DC/DC Output voltage LI pin MODE bit 5V3V1.8V With InductorStart01 / 0 (1) 1 / 0 (1) After VCARDOK = 1011 No inductorStart111 After VCARDOK = 1111 MODE = 1 VCARD[1:0]= 5V ? MODE = 0 Inductor ? Rev. 4372A–SCR–08/04 Smart Card Reader ICs AT83C5122 AT83EC5122 AT85C5122 AT85EC5122 AT89C5122 AT83C5123 AT83EC5123