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registers, Preliminary, Registers – Rainbow Electronics T89C51CC02 User Manual

Page 27

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Rev.A - May 17, 2001

27

Preliminary

T89C51CC02

7.4. Registers

FCON (S:D1h)
FLASH Control Register

Reset Value= 0000 0000b

Figure 12. FCON Register

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 14.)

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 13 or Table 14.

0

FBUSY

FLASH Busy

Set by hardware when programming is in progress.
Clear by hardware when programming is done.
Can not be cleared by software.