TM4C1299KCZAD Datasheet, PDF (1281/2014 Pages) Texas Instruments – Tiva Microcontroller

Tiva^™ TM4C1299KCZAD Microcontroller
Register 12: QSSI Clock Configuration (SSICC), offset 0xFC8
The SSICC register controls the baud clock source for the QSSI module.
Note: If ALTCLK is used for the QSSI baud clock, the system clock frequency must be at least
twice that of the ALTCLK programmed value in Run mode.
QSSI Clock Configuration (SSICC)
QSSI0 base: 0x4000.8000
QSSI1 base: 0x4000.9000
QSSI2 base: 0x4000.A000
QSSI3 base: 0x4000.B000
Offset 0xFC8
Type RW, reset 0x0000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
CS
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RW
RW
RW
RW
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:4
3:0
Name
reserved
CS
Type
Reset Description
RO 0x0000.000 Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
RW
0
QSSI Baud Clock Source
The following table specifies the source that generates for the QSSI
baud clock:
Value Description
0x0
System clock (based on clock source and divisor factor
programmed in RSCLKCFG register in the System Control
Module)
0x1-0x4 reserved
0x5
Alternate clock source as defined by ALTCLKCFG register
in System Control Module.
0x6 - 0xF Reserved
June 18, 2014
Texas Instruments-Production Data
1281