AT80C51RD2-RLRUM 查看數據表（PDF） - Atmel Corporation

零件编号

产品描述 (功能)

生产厂家

AT80C51RD2-RLRUM

80C51 High Performance ROM 8-bit Microcontroller

Atmel Corporation 

SFR Mapping

AT80C51RD2/AT83C51Rx2

The Special Function Registers (SFRs) of the microcontroller 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: IE0, IPL0, IPH0, IE1, IPL1, IPH1

• Keyboard Interface registers: KBE, KBF, KBLS

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

• Clock Prescaler register: CKRL

• Others: AUXR, AUXR1, CKCON0, CKCON1

7

4113B–8051–03/05

Share Link: