T89C51AC2-SLSIM View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

T89C51AC2-SLSIM

Enhanced 8-bit Microcontroller with 32 KB Flash Memory

Atmel Corporation 

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Registers

A/T89C51AC2

FCON RegisterFCON (S:D1h)

Flash Control Register

7

FPL3

6

FPL2

5

FPL1

4

FPL0

3

2

1

0

FPS

FMOD1

FMOD0

FBUSY

Bit

Bit

Number Mnemonic Description

Programming Launch Command Bits

7-4

FPL3:0 Write 5Xh followed by AXh to launch the programming according to FMOD1:0

(see Table 25)

Flash Map Program Space

3

FPS Set to map the column latch space in the data memory space.

Clear to re-map the data memory space.

2-1

FMOD1:0

Flash Mode

See Table 24 or Table 25.

Flash Busy

0

FBUSY

Set by hardware when programming is in progress.

Clear by hardware when programming is done.

Can not be changed by software.

Reset Value = 0000 0000b

43

4127H–8051–02/08

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