1-17
GPIO, TDM, UART, and Timer Signals
GPIO12
TDM2RSYN
IRQ10
Input/
Output
Input/
Output
Input
General-Purpose Input Output 12
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 MSC8102 Reference Manual GPIO programing
model.
TDM2 Receive Frame Sync
The receive sync signal for TDM 2. As an input, this can be the DATA_B data signal for
TDM 2. For configuration details, refer to the MSC8102 Reference Manual chapter
describing TDM operation.
Interrupt Request 10
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
GPIO13
TDM2RCLK
IRQ11
Input/
Output
Input/
Output
Input
General-Purpose Input Output 13
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 MSC8102 Reference Manual GPIO programing
model.
TDM2 Receive Clock
The receive clock signal for TDM 2. As an input, this can be the DATA_C data signal for
TDM 2. For configuration details, refer to the MSC8102 Reference Manual chapter
describing TDM operation.
Interrupt Request 11
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
GPIO14
TDM2RDAT
IRQ12
Input/
Output
Input/
Output
Input
General-Purpose Input Output 14
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 MSC8102 Reference Manual GPIO programing
model.
TDM2 Serial Receiver Data
The receive data signal for TDM 2. As an input, this can be the DATA_A data signal for
TDM 2. For configuration details, refer to the MSC8102 Reference Manual chapter
describing TDM operation.
Interrupt Request 12
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
GPIO15
TDM1TSYN
DREQ1
Input/
Output
Input/
Output
Input
General-Purpose Input Output 15
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 MSC8102 Reference Manual GPIO programing
model.
TDM1 Transmit frame Sync
Transmit Frame Sync for TDM 1.
DMA Request 1
Used by an external peripheral to request DMA service.
Table 1-7. GPIO, TDM, UART, and Timer Signals (Continued)
Signal Name
Type
Description