
206
AT85C51SND3Bx
7632A–MP3–03/06
Reset Value = 1111 1110b
Reset Value = 1111 1111b
Reset Value = 1111 1111b
6 EORM
End Of Response Interrupt Mask Bit
Set to prevent EORI flag from generating an interrupt.
Clear to allow EORI flag to generate an interrupt.
5 EOCM
End Of Command Interrupt Mask Bit
Set to prevent EOCI flag from generating an interrupt.
Clear to allow EOCI flag to generate an interrupt.
4 EOFM
End Of Frame Interrupt Mask Bit
Set to prevent EOFI flag from generating an interrupt.
Clear to allow EOFI flag to generate an interrupt.
3 WFRM
Whole FIFO Ready Interrupt Mask Bit
Set to prevent WFRI flag from generating an interrupt.
Clear to allow WFRI flag to generate an interrupt.
2 HFRM
Half FIFO Ready Full Interrupt Mask Bit
Set to prevent HFRI flag from generating an interrupt.
Clear to allow HFRI flag to generate an interrupt.
1 EOBM
End Of Block Interrupt Mask Bit
Set to prevent EOBI flag from generating an interrupt.
Clear to allow EOBI flag to generate an interrupt.
0 -
Reserved
The value read from this bit is always 0. Do not set this bit.
Table 228. MMCMD Register
MMCMD (1.B7h) – MMC Command Register
7 6 5 4 3 2 1 0
MC7 MC6 MC5 MC4 MC3 MC2 MC1 MC0
Bit
Number
Bit
Mnemonic
Description
7-0 MC7:0
MMC Command Receive Byte
Output (read) register of the response FIFO.
MMC Command Transmit Byte
Input (write) register of the command FIFO.
Table 229. MMDAT Register
MMDAT (1.B6h) – MMC Data Register
7 6 5 4 3 2 1 0
MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0
Bit
Number
Bit
Mnemonic
Description
7-0 MD7:0
MMC Data Byte
Input (write) or output (read) register of the data FIFO.
Bit
Number
Bit
Mnemonic Description
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