TMPR4925 datasheet(65/590 Pages) TOSHIBA

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Chapter 3 Signals

3-7

3.1.6

Serial I/O Interface Signals

Table 3.1.6 Serial I/O Interface Signals

Signal Name

Type

Description

Initial State

CTS [1:0]*

Input

PU *1

SIO Clear to Send

CTS* signals.

The pins are shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

RTS [1:0]*

Output

PU *1

SIO Request to Send

RTS* signals.

The pins are shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

RXD[1:0]

Input

PU *1

SIO Receive Data

Serial data input signals.

The pins are shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

TXD[1:0]

3-state

Output

PU *1

SIO Transmit Data

Serial data output signals.

The pins are shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

SCLK

Input

External Serial Clock

SIO clock input signal. SIO0 and SIO1 share this signal.

The pin is shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

*1:

These signals are pulled up for channel 0 only. No pull-up resistor is provided for channel 1.

3.1.7

Timer Interface Signals

Table 3.1.7 Timer Interface Signals

Signal Name

Type

Description

Initial State

TIMER[1:0]

Output

Timer Output

Timer output signals.

The pins are shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

TCLK

Input

External Timer Clock

Timer input clock signal. TMR0, TMR1, and TMR2 share this signal.

The pin is shared with other functions (refer to Section "3.3 Pin Multiplexing").

PIO input

3.1.8

Parallel I/O Interface Signals

Table 3.1.8 Parallel I/O Interface Signals

Signal Name

Type

Description

Initial State

PIO[31:20]

Input/output

PIO Ports[31:20]

Parallel I/O signals.

The pins are shared with other functions, including PC trace (refer to Section "3.3 Pin

Multiplexing"). The boot configuration signal on the TDO pin determines whether the

signals are used for PC trace.

Selected by

TDO

H: PIO input

L: Output

(PC trace

function)

PIO[19:0]

Input/output

PU *1

PIO Ports[19:0]

Parallel I/O signals.

The pins are shared with other functions (refer to Section "3.3 Pin Multiplexing").

Input

*1:

PIO[17:12] do not have pull-up resistors.

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