LM3S1621 Datasheet, PDF (647/947 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S1621 Microcontroller
Bit/Field
7:4
3:0
Name
HPTR
TPTR
Type
RO
RO
Reset
0x0
0x0
Description
FIFO Head Pointer
This field contains the current "head" pointer index for the FIFO, that is,
the next entry to be written.
Valid values are 0x0-0x7 for FIFO0; 0x0-0x3 for FIFO1 and FIFO2; and
0x0 for FIFO3.
FIFO Tail Pointer
This field contains the current "tail" pointer index for the FIFO, that is,
the next entry to be read.
Valid values are 0x0-0x7 for FIFO0; 0x0-0x3 for FIFO1 and FIFO2; and
0x0 for FIFO3.
January 21, 2012
647
Texas Instruments-Production Data