參數(shù)資料
型號(hào)： MSC8256TVT1000B
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 60/70頁(yè)
文件大小： 0K
描述： IC DSP 6 CORE 1GHZ 783FCPBGA
標(biāo)準(zhǔn)包裝： 1
系列： StarCore
類(lèi)型： SC3850 內(nèi)核
接口： 以太網(wǎng)，I²C，PCI，RGMII，串行 RapidIO，SGMII，SPI，UART/USART
時(shí)鐘速率： 1.0GHz
非易失內(nèi)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(lèi)型： 表面貼裝
封裝/外殼： 783-BBGA，F(xiàn)CBGA
供應(yīng)商設(shè)備封裝： 783-FCPBGA（29x29）
包裝： 托盤(pán)
Hardware Design Considerations
MSC8256 Six-Core Digital Signal Processor Data Sheet, Rev. 6
Freescale Semiconductor
63
3.5.1.3
ECC Unused Pin Connections
When the error code correction mechanism is not used in any 32- or 64-bit DDR configuration, refer to Table 42 to determine
the correct pin connections.
3.5.1.4
DDR2 Unused MAPAR Pin Connections
When the MAPAR signals are not used, refer to Table 43 to determine the correct pin connections.
3.5.2
HSSI-Related Pins
3.5.2.1
HSSI Port Is Not Used
MWE
in use
MVREF
in use
GVDD1/GVDD2
in use
Notes:
1.
For the signals listed in this table, the initial M stands for M1 or M2 depending on which DDR controller is not used.
2.
For MSC8256 Revision 1 silicon, these pins were connected to GND (or VDD). For newer revisions of the MSC8256,
connecting these pins to GND increases device power consumption.
Table 42. Connectivity of Unused ECC Mechanism Pins
Signal Name
Pin connection
MECC[7–0]
NC
MDM8
NC
MDQS8
NC
MDQS8
NC
Notes:
1.
For the signals listed in this table, the initial M stands for M1 or M2 depending on which DDR controller is not used.
2.
For MSC8256 Revision 1 silicon, these pins were connected to GND (or VDD). For newer revisions of the MSC8256,
connecting these pins to GND increases device power consumption.
Table 43. Connectivity of MAPAR Pins for DDR2
Signal Name
Pin connection
MAPAR_OUT
NC
MAPAR_IN
NC
Notes:
1.
For the signals listed in this table, the initial M stands for M1 or M2 depending on which DDR controller is used for DDR2.
2.
For MSC8256 Revision 1 silicon, these pins were connected to GND. For newer revisions of the MSC8256, connecting these
pins to GND increases device power consumption.
Table 41. Connectivity of DDR Related Pins When Using 32-bit DDR Memory Only (continued)
Signal Name
Pin Connection
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