AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 21

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

SFR Description
4202B–SCR–07/03
The Special Function Registers (SFRs) of the AT8xC5122/23 fall into the following
categories:
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C51 Core Registers: ACC, B, DPH, DPL, PSW, SP
System Configuration Registers: PCON, CKRL, CKCON0, CKCON1, CKSEL,
PLLCON, PLLDIV, AUXR, AUXR1
I/O Port Registers: P0, P1, P2, P3, P4, P5,PMOD1, PMOD2
Timer Registers: TCON, TH0, TH1, TMOD, TL0, TL1
Watchdog (WD) Registers: WDTRST, WDTPRG
Serial I/O Port Registers: SADDR, SADEN, SBUF, SCON
Baud Rate Generator (BRG) Registers: BRL, BDRCON
System Interrupt Registers: IE0, IPL0, IPH0, IE1, IPL1, IPH1
Smart Card Interface (SCI) Registers: SCSR, SCCON/SCETU0, SCISR/SCETU1,
SCIER/SCIIR, SCTBUF/SCRBUF, SCGT0/SCWT0, SCGT1/SCWT1,
SCICR/SCWT2, SCICLK
DC/DC Converter Registers: DCCKPS
Keyboard Interface Registers: KBE, KBF, KBLS
Serial Port Interface (SPI) Registers: SPCON, SPSTA, SPDAT
Universal Serial Bus (USB) Registers:USBCON, USBADDR, USBINT, USBIEN,
UEPNUM, UEPCONX, UEPSTAX, UEPRST, UEPINT, UEPIEN, UEPDATX,
UBYCTX, UFNUML, UFNUMH
LED Controller Registers: LEDCON0, LEDCON1
AT8xC5122/23
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