参数资料
型号: AT85C51SND3B1-RTTUL
厂商: Atmel
文件页数: 101/119页
文件大小: 0K
描述: IC DECODER/ENCODER DGTL 100-LQFP
标准包装: 90
类型: 音频编码器/解码器
应用: 移动电话,手机,视频显示器
电压 - 电源,数字: 1.65 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
82
AT85C51SND3B
7632D–MP3–01/07
Registers
Reset Value = 0000 0000b
Table 94. DFCON Register
DFCON (1.89h) – DFC Control Register
7
6
5
4
3
2
1
0
-
DFRES
-
DFCRCEN
DFPRIO1
DFPRIO0
DFABTM
DFEN
Bit
Number
Bit
Mnemonic Description
5
-
Reserved
The value read from this bit is always 0. Do not set this bit.
6
DFRES
Data Flow Controller Reset Bit
Set then clear this bit to reset the Data Flow Controller by software.
5
-
Reserved
The value read from this bit is always 0. Do not set this bit.
4
DFCRCEN
CRC Enable Bit
Set to enable CRC calculation on channel 0.
Clear to disable CRC calculation.
3-2
DFPRIO1:0
Data Flow Channel Priority Assignment Bits
Refer to Table 93 for channel priority assignment description.
1
DFABTM
Data Flow Abort Mode Bit
Set to trigger a delayed abort.
Clear to trigger an immediate abort.
0
DFEN
Data Flow Controller Enable Bit
Set to enable the Data Flow Controller.
Clear to disable the Data Flow Controller.
Table 95. DFCSTA Register
DFCSTA (1.88h Bit Addressable) – DFC Channel Status Register
7
6
5
4
3
2
1
0
DRDY1
SRDY1
EOFI1
DFBSY1
DRDY0
SRDY0
EOFI0
DFBSY0
Bit
Number
Bit
Mnemonic Description
7
DRDY1
Channel 1 Destination Ready Flag
Set by hardware when the destination peripheral of channel 1 is ready.
Cleared by hardware when the destination peripheral of channel 1 is not ready.
6
SRDY1
Channel 1 Source Ready Flag
Set by hardware when the source peripheral of channel 1 is ready.
Cleared by hardware when the source peripheral of channel 1 is not ready.
5
EOFI1
Channel 1 End Of Data Flow Interrupt Flag
Set by hardware at the end of a channel 1 data flow transfer.
Cleared by software by setting EOFIA1 in DFCCON. Can not be set by software.
4
DFBSY1
Channel 1 Busy Flag
Set by hardware when a transfer is on-going on channel 1.
Cleared by hardware when no transfer is on-going on channel 1.
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