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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