1-20
GPIO, TDM, UART, and Timer Signals
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 MSC8102 Reference Manual GPIO programing
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 MSC8102 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 MSC8102 Reference Manual GPIO programing
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 MSC8102 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 MSC8102 Reference Manual GPIO programing
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 MSC8102 Reference Manual chapter
describing TDM operation.
GPIO27
URXD
Input/
Output
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 MSC8102 Reference Manual GPIO programing
model.
UART Receive Data
GPIO28
UTXD
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 MSC8102 Reference Manual GPIO programing
model.
UART Transmit Data
GPIO29
CHIP_ID3
Input/
Output
Input
General-Purpose Input Output 29
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.
Chip ID 3
Determines the chip ID of the MSC8102 DSI. It is sampled on the rising edge of PORESET
signal.
Table 1-7. GPIO, TDM, UART, and Timer Signals (Continued)
Signal Name
Type
Description