mcs7717 MosChip, mcs7717 Datasheet - Page 19

• Manufacturer Part Number: mcs7717
• Description: Three Port Usb Hub With 1 Serial, 1 Printer
• Manufacturer: MosChip

Rev. 1.7
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
001
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)
Three Port USB Hub with 1 Serial, 1 Printer
Interrupt
Modem
Bit[3]
Mask
Description
Interrupt
Rx Stat
Bit[2]
Mask
MCS7717
Interrupt
THRE
Bit[1]
Mask
Interrupt
RxRdy
Bit[0]
Mask
Page 19