Datasheet

A/T89C51CC01

4129N–CAN–03/08

Registers

FCON RegisterFCON (S:D1h)

Flash Control Register

Reset Value = 0000 0000b

7 6 5 4 3 2 1 0

FPL3 FPL2 FPL1 FPL0 FPS FMOD1 FMOD0 FBUSY

Bit

Number

Bit

Mnemonic Description

7-4 FPL3:0

Programming Launch Command Bits

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

(see Table 26)

3 FPS

Flash Map Program Space

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 25 or Table 26.

0 FBUSY

Flash Busy

Set by hardware when programming is in progress.

Clear by hardware when programming is done.

Can not be changed by software.