at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 186

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

186
AT85C51SND3B
Table 205. NFCON Register
NFCON (1.9Bh) – Nand Flash Controller Control Register
Table 206. NFERR Register
NFERR (1.9Ch) – Nand Flash Controller ECC Error Information Register
Reset Value = 0000 0000b
Table 207. NFADR Register
NFADR (1.9Dh) – Nand Flash Controller Row Address Register
Reset Value = 0000 0000b
NFRAD7
Number
Number
Number
ERR7
7-5
7-0
7-0
Bit
Bit
Bit
7
4
3
2
1
0
7
7
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
NFRAD7:0 Row Address Byte
NFRAD6
ECCEN
ERR7:0
SPZEN
NFWP
NFEN
ERR6
TRS
Bit
Bit
Bit
6
6
6
-
-
Reserved
The value read from these bits is always 0. Do not set these bits.
Timing Read Select Bit
Set to use timing [1; 1] for read cycle.
Clear to use timing [1.5; 0.5] for read cycle.
Write Protect Bit
Set to unprotect the flash devices (NFWP signal de-asserted).
Clear to protect the flash devices (NFWP signal asserted).
Spare Zone management enable Bit
Set to enable the spare zone management
Clear to disable the spare zone management.
ECC management enable Bit
Set to enable the ECC calculation.
Clear to disable the ECC calculation.
General NFC Enable Bit
Set to enable the NF controller.
Clear to put the NFC is in the ‘suspend’ state.
Error Descriptor 4-byte Data FIFO
Sequential reading returns the 4-byte ECC error descriptor (see Table 200).
This register is updated following an ECC error (ECCERRI set).
NFRAD5
ERR5
5
5
5
-
NFRAD4
ERR4
TRS
4
4
4
NFRAD3
NFWP
ERR3
3
3
3
NFRAD2
SPZEN
ERR2
2
2
2
NFRAD1
ECCEN
ERR1
1
1
1
7632D–MP3–01/07
NFRAD0
NFEN
ERR0
0
0
0