Datasheet

Note that the QEI module clock must be enabled before the registers can be programmed (see
page 223). There must be a delay of 3 system clocks after the QEI module clock is enabled before
any QEI module registers are accessed.
Table 19-3. QEI Register Map
See
page
DescriptionResetTypeNameOffset
704QEI Control0x0000.0000R/WQEICTL0x000
706QEI Status0x0000.0000ROQEISTAT0x004
707QEI Position0x0000.0000R/WQEIPOS0x008
708QEI Maximum Position0x0000.0000R/WQEIMAXPOS0x00C
709QEI Timer Load0x0000.0000R/WQEILOAD0x010
710QEI Timer0x0000.0000ROQEITIME0x014
711QEI Velocity Counter0x0000.0000ROQEICOUNT0x018
712QEI Velocity0x0000.0000ROQEISPEED0x01C
713QEI Interrupt Enable0x0000.0000R/WQEIINTEN0x020
714QEI Raw Interrupt Status0x0000.0000ROQEIRIS0x024
715QEI Interrupt Status and Clear0x0000.0000R/W1CQEIISC0x028
19.6 Register Descriptions
The remainder of this section lists and describes the QEI registers, in numerical order by address
offset.
703June 18, 2012
Texas Instruments-Production Data
Stellaris
®
LM3S8962 Microcontroller
NRND: Not recommended for new designs.