AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 91
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AT89C5122
Manufacturer Part Number
AT89C5122
Description
MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C5122.pdf
(213 pages)
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AT8xC5122/23
Figure 47. Card Vcc = 3V Initialization Procedure
SCICR.7=Reset=1
SCICR.7=Reset=0
VCARD[1:0] = 10
Mode Regulation
DCCKPS[7]=1
BOOST[1:0]=01
SCCON CardVcc=1
Set Timeout to 3 ms
VCARDOK=1
DC/DC Initialization
successful
Timeout
Expired
DC/DC Initialization
Failure
91
4202D–SCR–06/05
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