參數(shù)資料
型號: TMS320C6414TZLZ7
廠商: Texas Instruments
文件頁數(shù): 38/146頁
文件大?。?/td> 0K
描述: IC DSP FIXED-POINT 532-FCBGA
標(biāo)準(zhǔn)包裝: 60
系列: TMS320C6414T/15T/16T
類型: 定點
接口: 主機接口,McBSP,PCI,UTOPIA
時鐘速率: 720MHz
非易失內(nèi)存: 外部
芯片上RAM: 1.03MB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.20V
工作溫度: 0°C ~ 90°C
安裝類型: 表面貼裝
封裝/外殼: 532-BFBGA,F(xiàn)CBGA
供應(yīng)商設(shè)備封裝: 532-FCBGA(23x23)
包裝: 托盤
配用: TMDXEVM6452-ND - TMDXEVM6452
296-23038-ND - DSP STARTER KIT FOR TMS320C6416
其它名稱: 296-19386
TMS320C6414T, TMS320C6415T, TMS320C6416T
FIXEDPOINT DIGITAL SIGNAL PROCESSORS
SPRS226M NOVEMBER 2003 REVISED APRIL 2009
132
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
GENERAL-PURPOSE INPUT/OUTPUT (GPIO) PORT TIMING
timing requirements for GPIO inputs (see Figure 62)
NO.
600
720
850
1G
UNIT
MIN
MAX
1
tw(GPIH)
Pulse duration, GPIx high
8P
ns
2
tw(GPIL)
Pulse duration, GPIx low
8P
ns
P = 1/CPU clock frequency in ns. For example, when running parts at 720 MHz, use P = 1.39 ns.
The pulse width given is sufficient to generate a CPU interrupt or an EDMA event. However, if a user wants to have the DSP recognize the GPIx
changes through software polling of the GPIO register, the GPIx duration must be extended to at least 12P to allow the DSP enough time to access
the GPIO register through the CFGBUS.
switching characteristics over recommended operating conditions for GPIO outputs
(see Figure 62)
NO.
PARAMETER
600
720
850
1G
UNIT
MIN
MAX
3
tw(GPOH)
Pulse duration, GPOx high
24P 8§
ns
4
tw(GPOL)
Pulse duration, GPOx low
24P 8§
ns
P = 1/CPU clock frequency in ns. For example, when running parts at 720 MHz, use P = 1.39 ns.
§ This parameter value should not be used as a maximum performance specification. Actual performance of back-to-back accesses of the GPIO
is dependent upon internal bus activity.
GPIx
GPOx
4
3
2
1
Figure 62. GPIO Port Timing
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