MSC8122 Technical Data, Rev. 13
1-22
Freescale Semiconductor
Signals/Connections
GPIO23
TDM0TDAT
IRQ13
Input/ Output
Input/ Output
Input
General-Purpose Input Output 23
One of 32 GPIO pins used as GPIO or as one of two dedicated inputs or one of two dedicated outputs. For
details, refer to the
MSC8122 Reference Manual
GPIO programming model.
TDM0 Serial Transmitter Data
The transmit data signal for TDM 0. As an output, this can be the DATA_D data signal for TDM 0. For
configuration details, refer to the
MSC8122
Reference Manual
chapter describing TDM operation.
Interrupt Request 13
One of fifteen external lines that can request a service routine, via the internal interrupt controller, from the
SC140 core.
GPIO24
TDM0RSYN
IRQ14
Input/ Output
Input/ Output
Input
General-Purpose Input Output 24
One of 32 GPIO pins used as GPIO or as one of two dedicated inputs or one of two dedicated outputs. For
details, refer to the
MSC8122
Reference Manual
GPIO programming model.
TDM0 Receive Frame Sync
The receive sync signal for TDM 0. As an input, this can be the DATA_B data signal for TDM 0. For
configuration details, refer to the
MSC8122
Reference Manual
chapter describing TDM operation.
Interrupt Request 14
One of fifteen external lines that can request a service routine, via the internal interrupt controller, from the
SC140 core.
GPIO25
TDM0RCLK
IRQ15
Input/ Output
Input/ Output
Input
General-Purpose Input Output 25
One of 32 GPIO pins used as GPIO or as one of two dedicated inputs or one of two dedicated outputs. For
details, refer to the
MSC8122
Reference Manual
GPIO programming model.
TDM0 Receive Clock
The receive clock signal for TDM 0. As an input, this can be the DATA_C data signal for TDM 0. For
configuration details, refer to the
MSC8122
Reference Manual
chapter describing TDM operation.
Interrupt Request 15
One of fifteen external lines that can request a service routine, via the internal interrupt controller, from the
SC140 core.
GPIO26
TDM0RDAT
Input/ Output
Input/ Output
General-Purpose Input Output 26
One of 32 GPIO pins used as GPIO or as one of two dedicated inputs or one of two dedicated outputs. For
details, refer to the
MSC8122
Reference Manual
GPIO programming model.
TDM0 Serial Receiver Data
The receive data signal for TDM 0. As an input, this can be the DATA_A data signal for TDM 0. For
configuration details, refer to the
MSC8122
Reference Manual
chapter describing TDM operation.
GPIO27
DREQ1
URXD
Input/ Output
Input
Input
General-Purpose Input Output 27
One of 32 GPIO pins used as GPIO or as one of two dedicated inputs or one of two dedicated outputs. For
details, refer to the
MSC8122
Reference Manual
GPIO programming model.
DMA Request 1
Used by an external peripheral to request DMA service.
UART Receive Data
GPIO28
DREQ2
UTXD
Input/ Output
Input
Output
General-Purpose Input Output 28
One of 32 GPIO pins used as GPIO or as one of two dedicated inputs or one of two dedicated outputs. For
details, refer to the
MSC8122
Reference Manual
GPIO programming model.
DMA Request 2
Used by an external peripheral to request DMA service.
UART Transmit Data
Table 1-7.
GPIO, TDM, UART, Ethernet, and Timer Signals (Continued)
Signal Name
Type
Description