欢迎访问ic37.com |
会员登录 免费注册
发布采购

85C51SND3BX02 参数 Datasheet PDF下载

85C51SND3BX02图片预览
型号: 85C51SND3BX02
PDF下载: 下载PDF文件 查看货源
内容描述: 单芯片数字音频解码器 - 编码器与USB 2.0接口 [Single-Chip Digital Audio Decoder - Encoder with USB 2.0 Interface]
分类和应用: 解码器编码器
文件页数/大小: 263 页 / 3620 K
品牌: ATMEL [ ATMEL ]
 浏览型号85C51SND3BX02的Datasheet PDF文件第181页浏览型号85C51SND3BX02的Datasheet PDF文件第182页浏览型号85C51SND3BX02的Datasheet PDF文件第183页浏览型号85C51SND3BX02的Datasheet PDF文件第184页浏览型号85C51SND3BX02的Datasheet PDF文件第186页浏览型号85C51SND3BX02的Datasheet PDF文件第187页浏览型号85C51SND3BX02的Datasheet PDF文件第188页浏览型号85C51SND3BX02的Datasheet PDF文件第189页  
AT85C51SND3Bx  
Table 204. NFCON Register  
NFCON (1.9Bh) – Nand Flash Controller Control Register  
7
6
5
4
3
2
1
0
-
-
-
TRS  
NFWP  
SPZEN  
ECCEN  
NFEN  
Bit  
Bit  
Number  
Mnemonic Description  
Reserved  
7-5  
4
-
The value read from these bits is always 0. Do not set these bits.  
Timing Read Select Bit  
TRS  
Set to use timing [1; 1] for read cycle.  
Clear to use timing [1.5; 0.5] for read cycle.  
Write Protect Bit  
3
2
1
0
NFWP  
SPZEN  
ECCEN  
NFEN  
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.  
Table 205. NFERR Register  
NFERR (1.9Ch) – Nand Flash Controller ECC Error Information Register  
7
6
5
4
3
2
1
0
ERR7  
ERR6  
ERR5  
ERR4  
ERR3  
ERR2  
ERR1  
ERR0  
Bit  
Bit  
Number  
Mnemonic Description  
Error Descriptor 4-byte Data FIFO  
7-0  
ERR7:0  
Sequential reading returns the 4-byte ECC error descriptor (see Table 199).  
This register is updated following an ECC error (ECCERRI set).  
Reset Value = 0000 0000b  
Table 206. NFADR Register  
NFADR (1.9Dh) – Nand Flash Controller Row Address Register  
7
6
5
4
3
2
1
0
NFRAD7  
NFRAD6  
NFRAD5  
NFRAD4  
NFRAD3  
NFRAD2  
NFRAD1  
NFRAD0  
Bit  
Bit  
Number  
Mnemonic Description  
7-0  
NFRAD7:0 Row Address Byte  
Reset Value = 0000 0000b  
185  
7632A–MP3–03/06  
 复制成功!