参数资料
型号: S3P9664-SK
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, SOP-20
文件页数: 14/148页
文件大小: 784K
代理商: S3P9664-SK
S3C9664/P9664 (Preliminary Spec)
UNIVERSAL SERIAL BUS
13-5
USB FUNCTION ADDRESS REGISTER (FADDR)
This register holds the USB address assigned by the host computer. FADDR is located at address F0H, Page 0
and is read/write addressable.
Bit7
Not used (Read value will be always "0").
Bit6–0 FADDR: MCU updates this register when it decodes a SET_ADDRESS command. MCU must write this
register with clears OUT_PKT_RDY (bit0) and sets DATA_END (bit3) in the EP0CSR register. That is,
MCU should write #48h to EP0CSR register after write this register. The function controller use this
register's value to decode USB Token packet address. Reset value of this register is “0”. The new
address will work after successful status stage.
.7
.6
.5
.4
.3
.2
.1
.0
LSB
MSB
USB Function Address Register (FADDR)
F0H, R/W, Page 0
7-bit programming device address. This register
maintains the USB address assigned by the host.
The function controller uses this register's value
to decode USB token packet address. At reset
when the device is not yet configured the value is
reset to 0.
Not used
Figure 13-5. USB Function Address Register (FADDR)
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