mcs7720 MosChip, mcs7720 Datasheet - Page 8

• Manufacturer Part Number: mcs7720
• Description: Usb-1.1 To Dual Serial Ports
• Manufacturer: MosChip

Page 8
MCS7720
USB-1.1 to Dual Serial Ports
Interrupt Enable Register:
Serial channel interrupts are enabled using the Interrupt Enable Register (IER).
Register:
Description:
Offset:
Permissions:
Bit
0
1
2
3
4
5
6
7
Bit[7]
Modem Interrupt Mask
Rx Stat Interrupt Mask
RxRdy Interrupt Mask
THRE Interrupt Mask
Sleep Mode
IER
Interrupt Enable Register
1
Read/Write
Reserved
Reserved
Reserved
Reserved
Name
Bit[6]
Bit[5]
Logic 0 = Disable the Receiver Ready Interrupt
Logic 1 = Enable the Receiver Ready Interrupt
Logic 0 = Disable the Transmitter Ready Interrupt
Logic 1 = Enable the Transmitter Ready Interrupt
Logic 0 = Disable the Receiver Status Interrupt (Normal Mode)
Logic 1 = Enable the Receiver Status Interrupt (Normal Mode)
Logic 0 = Disable the Modem Status Interrupt
Logic 1 = Enable the Modem Status Interrupt
Logic 0 = Disable Sleep-Mode
Logic 1 = Enable Sleep-Mode
Reserved
Reserved
Reserved
Bit[4]
Sleep
Mode
(the internal clock of the channel is switched off)
Interrupt
Modem
Bit[3]
Mask
Description
Interrupt
Rx Stat
Bit[2]
Mask
Interrupt
THRE
Bit[1]
Mask
Interrupt
RxRdy
Rev.
Bit[0]
Mask
1.1