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參數資料
型號: SM320F28335GHHAEP
廠商: Texas Instruments
文件頁數: 54/167頁
文件大?。?/td> 0K
描述: IC DIGITAL SIGNAL CTLR 179-BGA
產品培訓模塊: ControlSUITE
Motor Signal Chain Overview
TPS75005 Single IC Power for C2000 MCU
標準包裝: 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
外圍設備: DMA,POR,PWM,WDT
輸入/輸出數: 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
數據轉換器: A/D 16x12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 179-LFBGA
包裝: 托盤
產品目錄頁面: 718 (CN2011-ZH PDF)
其它名稱: 296-25243
ADC Power Up Delay
ADC Ready for Conversions
PWDNBG
PWDNREF
PWDNADC
Request for
ADC
Conversion
td(BGR)
td(PWD)
SPRS581D – JUNE 2009 – REVISED MAY 2012
6.15.1 ADC Power-Up Control Bit Timing
Figure 6-32. ADC Power-Up Control Bit Timing
Table 6-50. ADC Power-Up Delays
PARAMETER(1)
MIN
TYP
MAX
UNIT
td(BGR)
Delay time for band gap reference to be stable. Bits 7 and 6 of the ADCTRL3
5
ms
register (ADCBGRFDN1/0) must be set to 1 before the PWDNADC bit is enabled.
td(PWD)
Delay time for power-down control to be stable. Bit delay time for band-gap
20
50
μs
reference to be stable. Bits 7 and 6 of the ADCTRL3 register (ADCBGRFDN1/0)
1
ms
must be set to 1 before the PWDNADC bit is enabled. Bit 5 of the ADCTRL3
register (PWDNADC)must be set to 1 before any ADC conversions are initiated.
(1)
Timings maintain compatibility to the 281x ADC module. The 2833x/2823x ADC also supports driving all 3 bits at the same time and
waiting td(BGR) ms before first conversion.
Table 6-51. Typical Current Consumption for Different ADC Configurations (at 25-MHz ADCCLK)(1) (2)
ADC OPERATING MODE
CONDITIONS
VDDA18
VDDA3.3
UNIT
Mode A (Operational Mode):
30
2
mA
BG and REF enabled
PWD disabled
Mode B:
9
0.5
mA
ADC clock enabled
BG and REF enabled
PWD enabled
Mode C:
5
20
μA
ADC clock enabled
BG and REF disabled
PWD enabled
Mode D:
5
15
μA
ADC clock disabled
BG and REF disabled
PWD enabled
(1)
Test Conditions:
SYSCLKOUT = 150 MHz
ADC module clock = 25 MHz
ADC performing a continuous conversion of all 16 channels in Mode A
(2)
VDDA18 includes current into VDD1A18 and VDD2A18. VDDA3.3 includes current into VDDA2 and VDDAIO.
Copyright 2009–2012, Texas Instruments Incorporated
Electrical Specifications
147
Product Folder Link(s): SM320F28335-EP
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