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| 型號： | TUSB3410VF |
| 英文描述： | BUS CONTROLLER |
| 中文描述： | 總線控制器 |
| 文件頁數(shù)： | 33/92頁 |
| 文件大小： | 317K |
| 代理商： | TUSB3410VF |
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5
–
1
5 USB
5.1
USB Registers
5.1.1
FUNADR: Function Address Register (Addr:FFFF)
This register contains the device function address.
7
6
5
4
3
2
1
0
RSV
FA6
FA5
FA4
FA3
FA2
FA1
FA0
R/O
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
NAME
RESET
FUNCTION
6
–
0
FA[6:0]
0
These bits define the current device address assigned to the function. The MCU writes a value to this
register because of the SET-ADDRESS host command.
7
RSV
0
Reserved = 0
5.1.2
USBSTA: USB Status Register
(Addr:FFFE)
All bits in this register are set by the hardware and are cleared by the MCU when writing a 1 to the proper bit location
(writing a 0 has no effect). In addition, each bit can generate an interrupt if its corresponding mask bit is set (R/C
notation indicates read and clear only by the MCU).
7
6
5
4
3
2
1
0
RSTR
SUSR
RESR
RSV
URRI
SETUP
WAKEUP
STPOW
R/C
R/C
R/C
R/O
R/C
R/C
R/C
R/C
BIT
0
NAME
STPOW
RESET
0
FUNCTION
SETUP Overwrite bit. Set by hardware when setup packet is received while there is already a packet in
the setup buffer.
STPOW = 0
STPOW = 1
MCU can clear this bit by writing a 1 (writing 0 has no effect).
SETUP overwrite
1
WAKEUP
0
Remote wakeup bit
WAKEUP = 0
WAKEUP = 1
The MCU can clear this bit by writing a 1 (writing 0 has no effect).
Remote wakeup request from WAKEUP pin
2
SETUP
0
SETUP transaction received bit. As long as SETUP is 1, IN and OUT on endpoint
–
0 are NAKed,
regardless of their real NAK bits value.
SETUP = 0
SETUP = 1
MCU can clear this bit by writing a 1 (writing 0 has no effect).
SETUP transaction received
3
URRI
0
UART RI status bit
–
a rising edge causes this bit to be set.
URRI = 0
URRI = 1
URRI = 0 The MCU can clear this bit by writing a 1 (writing 0 has no effect).
URRI = 1 Ring detected, which is used to wake the chip up (bring it out of suspend).
4
RSV
0
Reserved
5
RESR
0
Function resume request bit
RESR = 0
RESR = 1
The MCU can clear this bit by writing a 1 (writing 0 has no effect).
Function resume is detected
6
SUSR
0
Function suspended request bit. This bit is set in response to a global or selective suspend condition.
FSUSP = 0
FSUSP = 1
The MCU can clear this bit by writing a 1 (writing 0 has no effect).
Function suspend is detected
7
RSTR
0
Function reset request bit. This bit is set in response to host initiating a port reset. This bit is not
affected by the USB function reset.
FRST = 0
FRST = 1
The MCU can clear this bit by writing a 1 (writing 0 has no effect).
Function reset is detected
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