参数资料
型号: AT85C51SND3B1-7FTUL
厂商: Atmel
文件页数: 115/119页
文件大小: 0K
描述: IC DECODER/ENCODER DGTL 100CBGA
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-TFBGA
供应商设备封装: 100-CTBGA(9x9)
包装: 托盘
95
AT85C51SND3B
7632D–MP3–01/07
Reset Value = 0010 0000b
Reset Value = 0000 0000b
0
VBUSTE
VBUS Transition Interrupt Enable Bit
Set this bit to enable the VBUS Transition interrupt generation.
Clear this bit to disable the VBUS Transition interrupt generation.
Table 103. USBSTA Register
USBSTA (1.E2h) – USB General Status Register
7
6
5
4
3
2
1
0
-
SPEED
ID
VBUS
Bit
Number
Bit
Mnemonic Description
7-3
-
Reserved
The value read from these bits is always 0. Do not set these bits.
2
SPEED
Speed Status Flag
Set by hardware when the controller is in HIGH-SPEED mode.
Cleared by hardware when the controller is in FULL-SPEED mode.
1
ID
IUD Pin Flag
Set / cleared by hardware and reflects the state of the UID pin.
0
VBUS
VBus Flag
Set / cleared by hardware and reflects the level of the UVCC pin.
Table 104. USBINT Register
USBINT (1.E3h) – USB Global Interrupt Register
7
6
5
4
3
2
1
0
-
IDTI
VBUSTI
Bit
Number
Bit
Mnemonic Description
7-2
-
Reserved
The value read from these bits is always 0. Do not set these bits.
1
IDTI
ID Transition Interrupt Flag
Set by hardware when a transition (high to low, low to high) has been detected
on the UID pin.
Shall be cleared by software.
0
VBUSTI
VBUS Transition Interrupt Flag
Set by hardware when a transition (high to low, low to high) has been detected
on the UVCC pin.
Shall be cleared by software.
Bit
Number
Bit
Mnemonic Description
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