参数资料
型号: S3P9664-SM
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24
封装: 0.300 INCH, SOP-24
文件页数: 27/148页
文件大小: 784K
代理商: S3P9664-SM
S3C9664/P9664 (Preliminary Spec)
UNIVERSAL SERIAL BUS
13-17
USB CONTROL REGISTER (USBCON)
USBCON is for the control of USB data line and the control of reset .This register is located at address FEH,
Page 0 and is read/write addressable.
Bit5
DP/DM Control: When this bit is set , DP/DM lines can be controlled by MCU as bellows
Bit4
DP: On the condition of bit5 set, if this bit is 1 , DP line is to be high and the other case this bit is 0
DP line is low .
Bit3
DM: On the condition of bit5 set, if this bit is 1 , DM line is to be high and the other case this bit is 0
DM line is low .
Bit2
USB_RESET_EN: When this bit is set , it is USB is made reset , which trigger MCU reset
automatically
Bit1
MCU_RESET: When this bit is set , MCU makes USB reset
Bit1
USB_RSTN: USB reset status bit
0 : USB is not reset
1 : USB is reset
.7
.6
.5
.4
.3
.2
.1
.0
LSB
MSB
USB Control Register (USBCON)
FEH (Page 0), R/W
USB_RSTN
Not used
MCU_RESET
USB_RESET_EN
DP/DM_CONTROL
DP
DM
Figure 13-9. USB Control Register (USBCON)
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