TM4C123GH6PZ Datasheet, PDF (974/1446 Pages) Texas Instruments – Tiva Microcontroller

Synchronous Serial Interface (SSI)
15.1 Block Diagram
Figure 15-1. SSI Module Block Diagram
DMA Request
DMA Control
SSIDMACTL
Interrupt
Control/Status
SSICR0
SSICR1
SSISR
Interrupt Control
SSIIM
SSIMIS
SSIRIS
SSIICR
SSIDR
System Clock
PIOSC
Clock Control
SSICC
Clock Prescaler
SSICPSR
TxFIFO
8 x 16
.
.
.
RxFIFO
8 x 16
.
.
.
SSI Baud Clock
Identification Registers
SSIPCellID0
SSIPCellID1
SSIPCellID2
SSIPCellID3
SSIPeriphID0
SSIPeriphID1
SSIPeriphID2
SSIPeriphID3
SSIPeriphID4
SSIPeriphID5
SSIPeriphID6
SSIPeriphID7
SSInTx
Transmit/
Receive
Logic
SSInRx
SSInClk
SSInFss
15.2
Signal Description
The following table lists the external signals of the SSI module and describes the function of each.
Most SSI signals are alternate functions for some GPIO signals and default to be GPIO signals at
974
June 12, 2014
Texas Instruments-Production Data