T87C5101XXX-3ZSCV(2003) 데이터 시트보기 (PDF) - Atmel Corporation

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T87C5101XXX-3ZSCV
(Rev.:2003)

8-bit Low Pin Count Microcontrollers

Atmel Corporation 

SFR Mapping

T8xC5101/02

The Special Function Registers (SFRs) of the T8xC5101/02 fall into the following

categories:

• C51 core registers: ACC, B, DPH, DPL, PSW, SP, AUXR1

• I/O port registers: P1, P3, P4

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

RCAP2L, RCAP2H

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

• Power and clock control registers: PCON

• Interrupt system registers: IE, IP, IPH

• Others: AUXR, CKCON

No write must be made to reserved areas. Reading a reserved area will give indetermi-

nate results.

3

4233G–8051–03/03

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