Samsung S3C2416 User Manual page 412

2D
5.1.5 FIFO Statue Register (FIFO_STAT_REG)
Register
FIFO_STAT_REG
Field
Reserved
CMD_FIN
ALL_FIN
FIFO_OVERFLOW
Reserved
FIFO_USED
FIFO_LEVEL_INT
18-18
Address R/W
0x4D408010 R
Bit
[31:11]
−
[10] 1 = The graphics engine finishes the execution of current
command.
0 = In the middle of rendering process.
[9] 1 = Graphics engine is in idle state. The graphics engine finishes
the execution of all commands in the command FIFO. Note that
ALL_FIN = CMD_FIN && (FIFO_USED==0).
0 = In the middle of rendering process, or FIFO_USED is greater
than 0.
[8] 1 = Command FIFO is full, no more commands can be handled
0 = Command FIFO is not full.
[7] −
[6:1] The number of entries occupied in command FIFO.
[0] 1 = FIFO_USED is greater or equal to FIFO_INT_LEVEL
0 = FIFO_USED is smaller than FIFO_INT_LEVEL
Description
FIFO Status Register
Description
S3C2416X RISC MICROPROCESSOR
Reset Value
Initial State
0x600
−
0x1
0x1
0x0
−
0x0
0x0