TM4C1292NCZAD Datasheet, PDF (1248/1844 Pages) Texas Instruments – Tiva Microcontroller

Quad Synchronous Serial Interface (QSSI)
Bit/Field
5:4
3:0
Name
FRF
DSS
Type
RW
RW
Reset
0x0
Description
QSSI Frame Format Select
Note: When operating in Advanced/Bi-/Quad-SSI mode these bits
must be programmed to 0x0 (Freescale SPI Frame Format).
Value Frame Format
0x0 Freescale SPI Frame Format
0x1 Texas Instruments Synchronous Serial Frame Format
0x2-0x3 Reserved
0x0
QSSI Data Size Select
Note: When operating in Advanced, Bi- or Quad-SSI, data size can
only be 8-bit. All other fields will be ignored.
Value Data Size
0x0-0x2 Reserved
0x3 4-bit data
0x4 5-bit data
0x5 6-bit data
0x6 7-bit data
0x7 8-bit data
0x8 9-bit data
0x9 10-bit data
0xA 11-bit data
0xB 12-bit data
0xC 13-bit data
0xD 14-bit data
0xE 15-bit data
0xF 16-bit data
1248
Texas Instruments-Production Data
June 18, 2014