1-15
GPIO, TDM, UART, and Timer Signals
GPIO4
TDM3TCLK
IRQ2
Input/
Output
Input
General-Purpose Input Output 4
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.
TDM3 Transmit Clock
Transmit Clock for TDM 3
Interrupt Request 2
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
GPIO5
TDM3TDAT
IRQ3
Input/
Output
Input/
Output
Input
General-Purpose Input/Output 5
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.
TDM3 Serial Transmitter Data
The serial transmit data signal for TDM 3. As an output, it provides the DATA_D signal for
TDM 3. For configuration details, refer to the MSC8102 Reference Manual chapter
describing TDM operation.
Interrupt Request 3
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
GPIO6
TDM3RSYN
IRQ4
Input/
Output
Input/
Output
Input
General-Purpose Input Output 6
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.
TDM3 Receive Frame Sync
The receive sync signal for TDM 3. As an input, this can be the DATA_B data signal for
TDM 3.For configuration details, refer to the MSC8102 Reference Manual chapter
describing TDM operation.
Interrupt Request 4
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
GPIO7
TDM3RCLK
IRQ5
Input/
Output
Input/
Output
Input
General-Purpose Input Output 7
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.
TDM3 Receive Clock
The receive clock signal for TDM 3. As an output, this can be the DATA_C data signal for
TDM 3. For configuration details, refer to the MSC8102 Reference Manual chapter
describing TDM operation.
Interrupt Request 5
One of fifteen external lines that can request a service routine, via the internal interrupt
controller, from the SC140 core.
Table 1-7. GPIO, TDM, UART, and Timer Signals (Continued)
Signal Name
Type
Description