參數資料
型號: MSC8256TVT1000B
廠商: Freescale Semiconductor
文件頁數: 50/70頁
文件大?。?/td> 0K
描述: IC DSP 6 CORE 1GHZ 783FCPBGA
標準包裝: 1
系列: StarCore
類型: SC3850 內核
接口: 以太網,I²C,PCI,RGMII,串行 RapidIO,SGMII,SPI,UART/USART
時鐘速率: 1.0GHz
非易失內存: ROM(96 kB)
芯片上RAM: 576kB
電壓 - 輸入/輸出: 2.50V
電壓 - 核心: 1.00V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 783-BBGA,FCBGA
供應商設備封裝: 783-FCPBGA(29x29)
包裝: 托盤
MSC8256 Six-Core Digital Signal Processor Data Sheet, Rev. 6
Freescale Semiconductor
54
The following interfaces use the specified asynchronous signals:
GPIO. Signals GPIO[31–0], when used as GPIO signals, that is, when the alternate multiplexed special functions are
not selected.
Note:
When used as a general purpose input (GPI), the input signal should be driven until it is acknowledged by the
MSC8256 device, that is, when the expected input value is read from the GPIO data register.
EE port. Signals EE0, EE1.
Boot function. Signal STOP_BS.
I2C interface. Signals I2C_SCL and I2C_SDA.
Interrupt inputs. Signals IRQ[15–0] and NMI.
Interrupt outputs. Signals INT_OUT and NMI_OUT (minimum pulse width is 32 ns).
2.6.8
JTAG Signals
Table 38 lists the JTAG timing specifications shown in Figure 29 through Figure 32.
Figure 29 shows the test clock input timing diagram
Table 38. JTAG Timing
Characteristics
Symbol
All frequencies
Unit
Min
Max
TCK cycle time
tTCKX
36.0
ns
TCK clock high phase measured at VM = VDDIO/2
tTCKH
15.0
ns
Boundary scan input data setup time
tBSVKH
0.0
ns
Boundary scan input data hold time
tBSXKH
15.0
ns
TCK fall to output data valid
tTCKHOV
20.0
ns
TCK fall to output high impedance
tTCKHOZ
24.0
ns
TMS, TDI data setup time
tTDIVKH
0.0
ns
TMS, TDI data hold time
tTDIXKH
5.0
ns
TCK fall to TDO data valid
tTDOHOV
10.0
ns
TCK fall to TDO high impedance
tTDOHOZ
12.0
ns
TRST assert time
tTRST
100.0
ns
Note:
All timings apply to OnCE module data transfers as well as any other transfers via the JTAG port.
Figure 29. Test Clock Input Timing
TCK
(Input)
VM
tTCKX
tTCKH
tTCKR
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