Preliminary
S3C2451X RISC MICROPROCESSOR
2D
19-15
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.
General Registers
CONTROL REGISTER(CONTROL_REG)
Register Address
R/W
Description
Reset
Value
CONTROL_REG
0x4D408000
W
Control register
0x0
Field
Bit
Description
Initial State
Reserved [31:1]
0x0
R [0]
Software
Reset
Write to this bit results in a one-cycle reset signal to FIMG2D
graphics engine. Every command register and parameter setting
register will be assigned the “Reset Value”, and the command FIFO
will be cleared.
0x0
INTERRUPT ENABLE REGISTER (INTEN_REG)
Register Address
R/W
Description
Reset
Value
INTEN_REG 0x4D408004
R/W
Interrupt Enable register
0x0
Field
Bit
Description
Initial State
Reserved
[31:11]
0x0
CCF
[10]
Current Command Finished interrupt enable.
If this bit is set, when the graphics engine finishes the execution of
current command, an interrupt occurs, and the INTP_CMD_FIN flag
in INTC_PEND_REG will be set.
ACF [9]
All Commands Finished interrupt enable.
If this bit is set, when the graphics engine finishes the execution of
all commands in the command FIFO, an interrupt occurs, and the
INTP_ALL_FIN flag in INTC_PEND_REG will be set.
0x0
FIFO_FULL [8]
Command FIFO Full interrupt enable.
If this bit is set, when command FIFO is full (32 entries), an interrupt
occurs, and the INTP_FULL flag in the interrupt pending register
(INTC_PEND_REG) will be set.
0x0
Reserved [7:1]
0x0
FIFO_INT_E
[0]
If this bit is set, when the number of entries occupied in command
FIFO is greater or equal to FIFO_INT_LEVEL (in FIFO_INTC_REG),
an interrupt occurs, and the INTP_FIFO_LEVEL flag in the interrupt
pending register (INTC_PEND_REG) will be set.
0x0