Hitachi H8S/2215 Series Hardware Manual page 523

Bit Bit Name Initial Value R/W
3 — 0
2 EP2oREADY 0
1 EP2iTR 0
0 EP2iEMPTY 1
Note: * The write value should always be 0 to clear this flag.
Description
R Reserved
This bit is always read as 0 and cannot be modified.
R EP2o Data Ready
EP2o FIFO has a dual-FIFO configuration. This flag is
set if there is a valid data in at least one EP2o FIFO.
This flag is cleared to 0 if there is no valid data in
EP2o FIFO. This flag is a status flag and cannot be
cleared. The corresponding interrupt output is EXIRQ0
or EXIRQ1.
R/(W)* EP2i Transfer Request
Set to 1 if there is no valid transmit data in the EP2Ii
FIFO having a dual-FIFO configuration. The
corresponding interrupt output is EXIRQ0 or EXIRQ1.
R EP2i FIFO Empty
EP2I FIFO has a dual-FIFO configuration. This flag is
set if at least one EP2o FIFO is empty. This flag is
cleared to 0 if EP2o FIFO is full. This flag is a status
flag and cannot be cleared. The corresponding
interrupt output is EXIRQ0 or EXIRQ1.
Rev. 3.0, 10/02, page 465 of 686