參數(shù)資料
型號: SM320F28335GHHAEP
廠商: Texas Instruments
文件頁數(shù): 39/167頁
文件大?。?/td> 0K
描述: IC DIGITAL SIGNAL CTLR 179-BGA
產(chǎn)品培訓(xùn)模塊: ControlSUITE
Motor Signal Chain Overview
TPS75005 Single IC Power for C2000 MCU
標(biāo)準(zhǔn)包裝: 189
系列: TMS320F28x3x Delfino™, C2000™
核心處理器: C28x
芯體尺寸: 32-位
速度: 150MHz
連通性: CAN,EBI/EMI,I²C,McBSP,SCI,SPI,UART/USART
外圍設(shè)備: DMA,POR,PWM,WDT
輸入/輸出數(shù): 88
程序存儲器容量: 512KB(256K x 16)
程序存儲器類型: 閃存
RAM 容量: 34K x 16
電壓 - 電源 (Vcc/Vdd): 1.805 V ~ 1.995 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 179-LFBGA
包裝: 托盤
產(chǎn)品目錄頁面: 718 (CN2011-ZH PDF)
其它名稱: 296-25243
1
0
/2
SYSCLKOUT
C28x
CPU
XINTCNF2(XTIMCLK)
1
0
/2
XTIMCLK
XINTCNF2
(CLKMODE)
XINTCNF2
(CLKOFF)
0
1
0
XCLKOUT
XTIMING0
XTIMING6
XTIMING7
XBANK
LEAD/ACTIVE/TRAIL
PCLKR3[XINTFENCLK]
SPRS581D – JUNE 2009 – REVISED MAY 2012
Table 6-36. XINTF Clock Configurations
MODE
SYSCLKOUT
XTIMCLK
XCLKOUT
1
SYSCLKOUT
Example:
150 MHz
2
SYSCLKOUT
1/2 SYSCLKOUT
Example:
150 MHz
75 MHz
3
1/2 SYSCLKOUT
Example:
150 MHz
75 MHz
4
1/2 SYSCLKOUT
1/4 SYSCLKOUT
Example:
150 MHz
75 MHz
37.5 MHz
The relationship between SYSCLKOUT and XTIMCLK is shown in Figure 6-23 .
Figure 6-23. Relationship Between XTIMCLK and SYSCLKOUT
6.14.4 XINTF Signal Alignment to XCLKOUT
For each XINTF access, the number of lead, active, and trail cycles is based on the internal clock
XTIMCLK. Strobes such as XRD, XWE0, XWE1, and zone chip-select (XZCS) change state in relationship
to the rising edge of XTIMCLK. The external clock, XCLKOUT, can be configured to be either equal to or
one-half the frequency of XTIMCLK.
For the case where XCLKOUT = XTIMCLK, all of the XINTF strobes will change state with respect to the
rising edge of XCLKOUT. For the case where XCLKOUT = one-half XTIMCLK, some strobes will change
state either on the rising edge of XCLKOUT or the falling edge of XCLKOUT. In the XINTF timing tables,
the notation XCOHL is used to indicate that the parameter is with respect to either case; XCLKOUT rising
edge (high) or XCLKOUT falling edge (low). If the parameter is always with respect to the rising edge of
XCLKOUT, the notation XCOH is used.
For the case where XCLKOUT = one-half XTIMCLK, the XCLKOUT edge with which the change will be
aligned can be determined based on the number of XTIMCLK cycles from the start of the access to the
point at which the signal changes. If this number of XTIMCLK cycles is even, the alignment will be with
respect to the rising edge of XCLKOUT. If this number is odd, then the signal will change with respect to
the falling edge of XCLKOUT. Examples include the following:
Strobes that change at the beginning of an access always align to the rising edge of XCLKOUT. This is
because all XINTF accesses begin with respect to the rising edge of XCLKOUT.
Copyright 2009–2012, Texas Instruments Incorporated
Electrical Specifications
133
Product Folder Link(s): SM320F28335-EP
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