參數(shù)資料
型號(hào)： DSP56301VF100
廠商： Freescale Semiconductor
文件頁數(shù)： 43/124頁
文件大?。?/td> 0K
描述： IC DSP 24BIT FIXED-POINT 252-BGA
產(chǎn)品變化通告： DSP56301 Discontinuation 12/Nov/2009
標(biāo)準(zhǔn)包裝： 60
系列： DSP563xx
類型： 定點(diǎn)
接口： 主機(jī)接口，SSI，SCI
時(shí)鐘速率： 100MHz
非易失內(nèi)存： ROM（9 kB）
芯片上RAM： 24kB
電壓 - 輸入/輸出： 3.30V
電壓 - 核心： 3.30V
工作溫度： -40°C ~ 100°C
安裝類型： 表面貼裝
封裝/外殼： 252-BGA
供應(yīng)商設(shè)備封裝： 252-MAPBGA（21x21）
包裝： 托盤
JTAG/OnCE Interface
DSP56301 Technical Data, Rev. 10
Freescale Semiconductor
1-21
1.12 JTAG/OnCE Interface
Table 1-16.
JTAG/OnCE Interface
Signal Name
Type
State During
Reset
Signal Description
TCK
Input
Test Clock
A test clock signal for synchronizing JTAG test logic.
This input is 5 V tolerant.
TDI
Input
Test Data Input
A test data serial signal for test instructions and data. TDI is sampled on the
rising edge of TCK and has an internal pull-up resistor.
This input is 5 V tolerant.
TDO
Output
Tri-stated
Test Data Output
A test data serial signal for test instructions and data. TDO can be tri-stated.
The signal is actively driven in the shift-IR and shift-DR controller states and
changes on the falling edge of TCK.
This input is 5 V tolerant.
TMS
Input
Test Mode Select
Sequences the test controller’s state machine, is sampled on the rising edge of
TCK, and has an internal pull-up resistor.
This input is 5 V tolerant.
TRST
Input
Test Reset
Asynchronously initializes the test controller, has an internal pull-up resistor,
and must be asserted after power up.
This input is 5 V tolerant.
DE
Input/Output
Input
Debug Event
Provides a way to enter Debug mode from an external command controller (as
input) or to acknowledge that the chip has entered Debug mode (as output).
When asserted as an input, DE causes the DSP56300 core to finish the
current instruction, save the instruction pipeline information, enter Debug
mode, and wait for commands from the debug serial input line. When a debug
request or a breakpoint condition causes the chip to enter Debug mode, DE is
asserted as an output for three clock cycles. DE has an internal pull-up
resistor.
DE is not a standard part of the JTAG Test Access Port (TAP) Controller. It
connects to the OnCE module to initiate Debug mode directly or to provide a
direct external indication that the chip has entered the Debug mode. All other
interface with the OnCE module must occur through the JTAG port.
This input is 5 V tolerant.
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