MNSC140CORE datasheet(29/88 Pages) FREESCALE

29 / 88 page

GPIO, TDM, UART, and Timer Signals

MSC8122 Technical Data, Rev. 13

Freescale Semiconductor

1-19

GPIO11

TDM2TDAT

IRQ9

ETHRX_ER

ETHTXD

Input/ Output

Input

Output

General-Purpose Input Output 11

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.

TDM2 Serial Transmitter Data

The transmit data signal for TDM 2. As an output, this can be the DATA_D data signal for TDM 2. For

configuration details, refer to the MSC8122 Reference Manual chapter describing TDM operation.

Interrupt Request 9

One of fifteen external lines that can request a service routine, via the internal interrupt controller, from the

SC140 core.

Ethernet Receive Data Error

In MII and RMII modes, indicates a receive data error.

Ethernet Transmit Data

In SMII, used as the Ethernet transmit data line.

GPIO12

TDM2RSYN

IRQ10

ETHRXD1

ETHSYNC

Input/ Output

Input

Output

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 MSC8122 Reference Manual GPIO programming 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 MSC8122 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.

Ethernet Receive Data 1

Bit 1 of the Ethernet receive data (MII and RMII mode).

Ethernet Sync Signal

In SMII mode, this is the Ethernet sync signal input.

GPIO13

TDM2RCLK

IRQ11

ETHMDC

Input/ Output

Input

Output

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 MSC8122 Reference Manual GPIO programming 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 MSC8122 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.

Ethernet Management Clock

Used for the MDIO reference clock for MII, RMII, and SMII modes.

Table 1-7.

GPIO, TDM, UART, Ethernet, and Timer Signals (Continued)

Signal Name

Type

Description

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