Datasheet > 89C51RC2-IL

89C51RC2-IL

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存微控制器
页数	文件大小	规格书
127页	1455K
描述
Microcontroller with 16K/32K Bytes Flash

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89C51RC2-IL 数据手册

AT89C51RB2/RC2

Table 2. C51 Core SFRs

Mnemonic

ACC

Add Name

E0h Accumulator

F0h B Register

PSW

D0h Program Status Word

81h Stack Pointer

RS1

RS0

DPL

82h Data Pointer Low Byte

83h Data Pointer High Byte

DPH

Table 3. System Management SFRs

Mnemonic

Add Name

PCON

87h Power Control

SMOD1

SMOD0

POF

GF1

XRS1

GF3

GF0

XRS0

EXTRAM

IDL

AUXR

8Eh Auxiliary Register 0

A2h Auxiliary Register 1

97h Clock Reload Register

8Fh Clock Control Register 0

AFh Clock Control Register 1

DPU

XRS2

AUXR1

ENBOOT

CKRL5

PCAX2

CKRL4

SIX2

DPS

CKRL0

CKRL

CKRL7

CKRL6

WDTX2

CKRL3

T2X2

CKRL2

T1X2

CKRL1

T0X2

CKCKON0

CKCKON1

SPIX2

Table 4. Interrupt SFRs

Mnemonic

Add Name

IEN0

A8h Interrupt Enable Control 0

B1h Interrupt Enable Control 1

ET2

ET1

EX1

ET0

EX0

IEN1

PHS

PLS

ESPI

PX1H

PX1L

SPIH

SPIL

EI2C

PT0H

PT0L

IE2CH

IE2CL

KBD

PX0H

PX0L

KBDH

KBDL

IPH0

B7h Interrupt Priority Control High 0

B8h Interrupt Priority Control Low 0

B3h Interrupt Priority Control High 1

B2h Interrupt Priority Control Low 1

PPCH

PT2H

PT1H

IPL0

PPCL

PT2L

PT1L

IPH1

IPL1

Table 5. Port SFRs

Mnemonic

Add Name

80h 8-bit Port 0

90h 8-bit Port 1

A0h 8-bit Port 2

B0h 8-bit Port 3

4180C–8051–12/03

1 2 3 456 7 8...127

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