USB97C100 Standard Microsystems Corporation, USB97C100 Datasheet - Page 25

• Manufacturer Part Number: USB97C100
• Description: USB97C100 Multi-endpoint Usb Peripheral Controller(not Recommended For Designs)
• Manufacturer: Standard Microsystems Corporation

Notes:
Note: Interrupt events enabled by these bits are routed to the PWR_MNG Bit 0 in the ISR_1 register.
SMSC DS – USB97C100
Only low to high transitions for the associated inputs sets these bits.
These bits are cleared each time this register is read.
Unmasked Wakeup Source bits generate an INT1 PWR_MNG interrupt, and restart the 8051 when its clock is
stopped. This restarts the Ring Oscillator and crystal oscillator for the MCU to resume from <500µA operation.
To initiate USB Remote Wakeup, the SIE_Resume bit should be used in the SIE_CONFIG register.
[7:6]
[5:0]
[7:3]
BIT
BIT
(0x7F29 - RESET=0x01)
2
1
0
(0x7F2A - RESET=0x00)
[7:3]
BIT
2
1
0
(0x7F2B - RESET=0x07 )
MEM_BANK
WU_MSK_1 (Note 1)
Reserved '0'
USB_Reset
Reserved
A[19:14]
WU_SRC_1
Reserved
NAME
Resume
NAME
USB_Reset
Reserved
Reserved
Resume
NAME
R/W
R/W
R
R/W
R
R
R
R
R/W
R/W
R/W
Table 28 - FLASH Bank Select Register
Reserved
This register selects which 16k page resides at 0x4000-0x7FFF in Code
Space and 0xC000-0xFFFF in Data Space. The 0x0000-0x3FFF page
will always reflect the 16K FLASH page 0 (0x00000-0x03FFF).
R
R
Table 29 - Wakeup Source 1 Register
Table 30 - Wakeup Mask 1 Register
Reserved
This bit is set when the SIE detects simultaneous logic lows on D+
and D- (Single-Ended 0) for 32 to 64 full speed bit times, or 4 to 8 low
speed bit times (or 2.5<t<5.5us). The USB_Reset signal may be as
long as 10ms. SETUP tokens can be NAK'd for up to 10ms after the
Reset signal is released.
This bit is set on detection of Global Resume state (when there is a
transition from the "J" state while in Global Suspend).
Reserved
Reserved
External wakeup event.
0 = Enabled
1 = Masked
External wakeup event.
0 = Enabled
1 = Masked
Reserved
Page 25
FLASH BANK SELECT REGISTER
WAKEUP SOURCE 1
DESCRIPTION
WAKEUP MASK 1
DESCRIPTION
DESCRIPTION
Rev. 01/03/2001