MDT13P02
(15) EP1TXC: R27
USB Endpoint 1 transmit configuration
Bit
0
1
2
3
4
5
6
7
Symbol
COUNT0
COUNT1
COUNT2
COUNT3
EP1EN
STALL
DATA 1/0
INEN
Function
The number of data bytes to be transmitted during an IN packet
The number of data bytes to be transmitted during an IN packet
The number of data bytes to be transmitted during an IN packet
The number of data bytes to be transmitted during an IN packet
Enable Endpoint 1
Stall bit, Bit 5 is cleared when a SETUP packet is received
Bit 6 must be set to 0 or 1 to select the DATA packet toggle state
This bit is cleared when a ACK packet is received
(16) USBDA: R28
USB device address
Bit
6~0
7
Symbol
ADR6~0
--
Function
This is a USB device address register
Read as “0”
(17) USBSCR: R29
USB status and control
Bit
0
Symbol
BUSACT
Function
BUSACT is set by SIE if any USB activity signal is detected. The user
porgram should check and clear this bit periodically to detect any loss of
bus activity. Writing a “0” to this bit clear it. Writing a “1” to this bit not set it.
1
Force K
0: Not forcing
1: Force K (D+ HIGH, D - Low)
2
Force J
0: Not forcing
1: Force J (D+ Low, D - High)
3
STAOUTS 0: Disable control read transfer
1: Enable control read transfer
4
ENOUTS
0: Disable control writer transfer
1: Enable control writer transfer
7~5
--
Read as “0”
This specification are subject to be changed without notice. Any latest information
please preview http;//www.mdtic.com.tw
P. 9
2007/8 Ver. 1.0
MDTIC [ Micon Design Technology Corporation ]
