參數(shù)資料
型號: TMX32C6411GLZ
廠商: Texas Instruments, Inc.
英文描述: Anti-Static Storage Bags; External Height:5"; External Width:3"; Thickness:0.12"
中文描述: 定點數(shù)字信號處理器
文件頁數(shù): 35/119頁
文件大?。?/td> 1742K
代理商: TMX32C6411GLZ
SPRS196H MARCH 2002 REVISED JULY 2004
35
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
DEVICE CONFIGURATIONS (CONTINUED)
multiplexed pins
Multiplexed pins are pins that are shared by more than one peripheral and are internally multiplexed. Some of
these pins are configured by software, and the others are configured by external pullup/pulldown resistors only
at reset. Those muxed pins that are configured by software can be programmed to switch functionalities at any
time. Those muxed pins that are configured by external pullup/pulldown resistors are mutually exclusive; only
one peripheral has primary control of the function of these pins after reset. Table 22 identifies the multiplexed
pins on the C6411 device; shows the default (primary) function and the default settings after reset; and describes
the pins, registers, etc. necessary to configure specific multiplexed functions.
debugging considerations
It is recommended that external connections be provided to device configuration pins, including CLKMODE0,
LEND, BOOTMODE[1:0], ECLKIN_SEL[1:0]. EEAI, HD5/AD5, and PCI_EN. Although internal pullup/pulldown
resistors exist on these pins, providing external connectivity adds convenience to the user in debugging and
flexibility in switching operating modes.
Internal pullup/pulldown resistors also exist on specified reserved (RSV) pins. Do not oppose the internal
pullup/pulldown resistors, unless otherwised noted, on these RSV pins.
For the internal pullup/pulldown resistors for all device pins, see the terminal functions table.
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