Samsung S3C2440A User Manual
Page 337
S3C2440A RISC MICROPROCESSOR
USB DEVICE
13-9
INTERRUPT ENABLE REGISTER (EP_INT_EN_REG/USB_INT_EN_REG)
Corresponding to each interrupt register, The USB device controller also has two interrupt enable registers (except
resume interrupt enable). By default, usb reset interrupt is enabled.
If bit = 0, the interrupt is disabled.
If bit = 1, the interrupt is enabled.
Register Address
R/W
Description
Reset
Value
EP_INT_EN_REG 0x5200015C(L)
0x5200015F(B)
R/W
(byte)
Determine which interrupt is enabled
0xFF
EP_INT_EN_REG Bit MCU
USB
Description
Initial
State
EP4_INT_EN
[4]
R/W
R
EP4 Interrupt Enable bit
0 = Interrupt disable 1 = Enable
1
EP3_INT_EN
[3]
R/W
R
EP3 Interrupt Enable bit
0 = Interrupt disable 1 = Enable
1
EP2_INT_EN
[2]
R/W
R
EP2 Interrupt Enable bit
0 = Interrupt disable 1 = Enable
1
EP1_INT_EN
[1]
R/W
R
EP1 Interrupt Enable bit
0 = Interrupt disable 1 = Enable
1
EP0_INT_EN
[0]
R/W
R
EP0 Interrupt Enable bit
0 = Interrupt disable 1 = Enable
1