ST18D952 데이터 시트보기 (PDF) - STMicroelectronics

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ST18D952

DIGITAL SIGNAL PROCESSOR (DSP) CHIP

STMicroelectronics 

ST18952

Table 2.9 JTAG IEEE 1149.1 test access port (5 pins)

Pin name

TDI

TCK

TMS

TDO

TRST

Type

I

I

I

O

I

Description

Test data input.

Test clock.

Test mode select.

Test data output.

Test logic reset (also used for Emulator module). Active low.

Table 2.10 DMA controller / Serial input/output (8 pins)

Pin name

DMARQ0/SRD0

DMARQ1/SCK0

DMARQ2/SRD1

DMARQ3/SCK1

DMACK0/STD0

DMACK1/SFS0

DMACK2/STD1

DMACK3/SFS1

Type

I

I/O

I

I/O

O

I/O

O

I/O

Description

DMA request 0 or SIO0 Receive data

DMA request 1 or SIO0 Data clock

DMA request 2 or SIO1 Receive data

DMA request 3 or SIO1 Data clock

DMA acknowledge 0 or SIO0 Transmit data

DMA acknowledge 1 or SIO0 Frame synchronizer

DMA acknowledge 2 or SIO1 Transmit data

DMA acknowledge 3 or SIO1 Frame synchronizer

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