4 registers – Rainbow Electronics T89C51CC01 User Manual

Page 41

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41

T89C51CC01

Rev. D – 17-Dec-01

9.4 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 10.)

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 9 or Table 10.

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.

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