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ST18952 Datasheet(PDF) 8 Page - STMicroelectronics

Part # ST18952
Description  DIGITAL SIGNAL PROCESSOR DSP CHIP
PDF  67 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST18952 Datasheet(HTML) 8 Page - STMicroelectronics

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ST18952
Table 2.9
JTAG IEEE 1149.1 test access port (5 pins)
Table 2.10
DMA controller / Serial input/output (8 pins)
Pin name
Type
Description
TDI
I
Test data input.
TCK
I
Test clock.
TMS
I
Test mode select.
TDO
O
Test data output.
TRST
I
Test logic reset (also used for Emulator module). Active low.
Pin name
Type
Description
DMARQ0/SRD0
I
DMA request 0 or SIO0 Receive data
DMARQ1/SCK0
I/O
DMA request 1 or SIO0 Data clock
DMARQ2/SRD1
I
DMA request 2 or SIO1 Receive data
DMARQ3/SCK1
I/O
DMA request 3 or SIO1 Data clock
DMACK0/STD0
O
DMA acknowledge 0 or SIO0 Transmit data
DMACK1/SFS0
I/O
DMA acknowledge 1 or SIO0 Frame synchronizer
DMACK2/STD1
O
DMA acknowledge 2 or SIO1 Transmit data
DMACK3/SFS1
I/O
DMA acknowledge 3 or SIO1 Frame synchronizer



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