AT89C5122D-RDRUM datasheet(31/208 Pages) ATMEL

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AT83R5122, AT8xC5122/23

4202F–SCR–07/2008

Special Function

Registers (SFR’s)

Introduction

The Special Function Registers (SFRs) of the AT8xC5122/23 can be ranked into the fol-

lowing categories:

•

C51 Core Registers: ACC, B, DPH, DPL, PSW, SP

•

System Configuration Registers: PCON, CKRL, CKCON0, CKCON1, CKSEL,

PLLCON, PLLDIV, AUXR, AUXR1, RCON

•

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, SCIBUF, 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

AT89C5122D-RDRUM 数据表(PDF) 31 Page - ATMEL Corporation

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