AT89C51RC2-SLSIL(2003) 데이터 시트보기 (PDF) - Atmel Corporation

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AT89C51RC2-SLSIL
(Rev.:2003)

8-bit Microcontroller with 16K/32K Bytes Flash

Atmel Corporation 

SFR Mapping

AT89C51RB2/RC2

The Special Function Registers (SFRs) of the AT89C51RB2/RC2 fall into the following

categories:

• C51 core registers: ACC, B, DPH, DPL, PSW, SP

• I/O port registers: P0, P1, P2, P3

• Timer registers: T2CON, T2MOD, TCON, TH0, TH1, TH2, TMOD, TL0, TL1, TL2,

RCAP2L, RCAP2H

• Serial I/O port registers: SADDR, SADEN, SBUF, SCON

• PCA (Programmable Counter Array) registers: CCON, CCAPMx, CL, CH, CCAPxH,

CCAPxL (x: 0 to 4)

• Power and clock control registers: PCON

• Hardware Watchdog Timer registers: WDTRST, WDTPRG

• Interrupt system registers: IEN0, IPL0, IPH0, IEN1, IPL1, IPH1

• Keyboard Interface registers: KBE, KBF, KBLS

• SPI registers: SPCON, SPSTR, SPDAT

• BRG (Baud Rate Generator) registers: BRL, BDRCON

• Flash register: FCON

• Clock Prescaler register: CKRL

• Others: AUXR, AUXR1, CKCON0, CKCON1

3

4180B–8051–04/03

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