TMPR4938 datasheet(61/716 Pages) TOSHIBA

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Chapter 3 Signals

3-7

3.1.9

AC-link Interface Signals

Table 3.1.9 AC-link Interface Signals

Signal Name

Type

Description

Initial State

ACRESET*

Output

AC '97 Master H/W Reset

ACRESET* share pins with other function signals (refer to Section “3.3 Pin multiplex”).

Low

SYNC

Output

48 kHz Fixed Rate Sample Sync

SYNC share pins with other function signals (refer to Section “3.3 Pin multiplex”).

Low

SDOUT

Output

Serial, Time Division Multiplexed, AC '97 Output Stream

SDOUT shares share pins with other function signals (refer to Section “3.3 Pin

multiplex”).

Low

SDIN[1]

Input

Serial, Time Division Multiplexed, AC ‘97 Input Stream

SDIN[1] share pins with other function signals (refer to Section “3.3 Pin multiplex”).

When this pin is used as SDIN[1], pull down by the resister on the board.

(Regarding the value of register, please ask the Engineering Department in Toshiba).

Input

SDIN[0]

Input

Serial, Time Division Multiplexed, AC '97 Input Stream

SDIN[0] share pins with other function signals (refer to Section “3.3 Pin multiplex”).

When this pin is used as SDIN[0], pull down by the resister on the board.

(Regarding the value of register, please ask the Engineering Department in Toshiba).

Input

BITCLK

Input

12.288 MHz Serial Data Clock

BITCLK share pins with other function signals (refer to Section “3.3 Pin multiplex”).

When this pin is used as BITCLK, pull down by the resister on the board.

(Regarding the value of register, please ask the Engineering Department in Toshiba).

Input

3.1.10 Interrupt Signals

Table 3.1.10 Interrupt Signals

Signal Name

Type

Description

Initial State

NMI*

Input

Non-Maskable Interrupt

Non-maskable interrupt signal.

Input

INT[5:0]

Input

External Interrupt Requests

External interrupt request signals.

INT[4:3] share pins with other function signals (refer to Section “3.3 Pin multiplex”).

Input

3.1.11 SPI Interface Signals

Table 3.1.11 SPI Interface Signals

Signal Name

Type

Description

Initial State

SPICLK

Input

SPI Clock

This pin is used for a data clock to or from an SPI slave device. This signal is common

with the other functions (refer to Section “3.3 Pin multiplex”). Use the configuration

setting during boot-up.

Input

SPIOUT

Output

SPI Data Output

This signal contains data to be shifted to an SPI slave device. This signal is common with

the other functions (refer to Section “3.3 Pin multiplex”). Use the configuration setting

during boot-up.

High

SPIIN

Input

SPI Data Inputxternal Interrupt Requests

This signal contains data to be shifted from an SPI slave device. This signal is common

with the other functions (refer to Section “3.3 Pin multiplex”). Use the configuration

setting during boot-up.

Input

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