at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 188

• Manufacturer Part Number: at85c51snd3
• Description: At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

188
AT85C51SND3B
Table 211. NFDAT Register
NFDAT (1.A2h) – Nand-Flash Controller Data Access Register
Reset Value = 0000 0000b
Table 212. NFDATF Register
NFDATF (1.A3h) – Nand-Flash Controller Data Access and Fetch Next Data Register
Reset Value = 0000 0000b
Table 213. NFSTA Register
NFSTA (1.98h) – Nand Flash Controller Status Register
DATFD7
Number
Number
Number
DATD7
SMCD
7-0
7-0
3-1
Bit
Bit
Bit
7
7
7
7
6
5
4
Mnemonic Description
Mnemonic Description
Mnemonic Description
DATFD7:0
NECC2:0
DATD7:0
DATFD6
SMLCK
SMLCK
NFEOP
DATD6
SMCD
Bit
Bit
Bit
6
6
6
-
Data Byte
Writing data sends a data to the currently selected NF.
Reading data gets the data returned by the last read cycle.
Data Byte
Writing data sends a data to the currently selected NF.
Reading data gets the data returned by the last read cycle and relaunch a read
cycle on the currently selected NF.
SmartMediaCard Detection Flag
Set by hardware when the SMINS input is High.
Cleared by hardware when the SMINS input is Low.
SmartMedia Card Lock Flag
Set by hardware when the SMC is write-protected.
Cleared by hardware when the SMC is not write-protected.
Reserved
The value read from this bit is always 0. Do not set this bit.
End Of Page Flag
Set by hardware when the controller stops at the end of the page.
clear by hardware if the controller did not reach the end of the page.
Number of ECC Bits
Set/clear by hardware. See Section “ECC Error Management” for more details.
DATFD5
DATD5
5
5
5
-
DATFD4
NFEOP
DATD4
4
4
4
DATFD3
NECC2
DATD3
3
3
3
DATFD2
NECC1
DATD2
2
2
2
DATFD1
NECC0
DATD1
1
1
1
7632D–MP3–01/07
DATFD0
NFRUN
DATD0
0
0
0