![Samsung S3C2451X User Manual Download Page 386](http://html.mh-extra.com/html/samsung/s3c2451x/s3c2451x_user-manual_340826386.webp)
Preliminary
USB2.0 DEVICE
S3C2451X RISC MICROPROCESSOR
17-14
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
SYSTEM CONTROL REGISTER (SCR)
This register enables top-level control of the core. MCU should access this register for controls such as Power
saving mode enable/disable.
Register Address
R/W
Description
Reset
Value
SCR 0x4980_0020
R/W
System
Control Register
0x0
SCR Bit
R/W
Description
Initial
State
[31:15]
Reserved
DTZIEN
[14]
R/W
DMA Total Counter Zero Interrupt Enable
0 = Disable
1 = Enable
When set to 1, DMA total counter zero interrupt is
generated.
0
[13]
Reserved
DIEN
[12]
R/W
DUAL Interrupt Enable
0 = Disable
1 = Enable
When set to 1, Interrupt is activated until Interrupt source is
cleared.
0
[11:9]
Reserved
EIE
[8]
R/W
Error Interrupt Enable
This bit must be set to 1 to enable error interrupt.
0
SPDCEN [7]
R/W
Speed detection Control Enable
0: Disable
1: Enable
0
SPDEN
[6]
R/W
Speed Detect End Interrupt Enable
When set to 1, Speed detection interrupt is generated.
0
[5]
Reserved