PWM(B) TZ XCLKOUT(A) t
參數(shù)資料
型號: SM320F28335GHHAEP
廠商: Texas Instruments
文件頁數(shù): 25/167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
PWM(B)
TZ
XCLKOUT(A)
tw(TZ)
td(TZ-PWM)HZ
SPRS581D – JUNE 2009 – REVISED MAY 2012
6.10 Enhanced Control Peripherals
6.10.1 Enhanced Pulse Width Modulator (ePWM) Timing
PWM refers to PWM outputs on ePWM1-6. Table 6-19 shows the PWM timing requirements and Table 6-
20, switching characteristics.
Table 6-19. ePWM Timing Requirements(1)
TEST CONDITIONS
MIN
MAX
UNIT
tw(SYCIN)
Sync input pulse width
Asynchronous
2tc(SCO)
cycles
Synchronous
2tc(SCO)
cycles
With input qualifier
1tc(SCO) + tw(IQSW)
cycles
(1)
For an explanation of the input qualifier parameters, see Table 6-12.
Table 6-20. ePWM Switching Characteristics
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
tw(PWM)
Pulse duration, PWMx output high/low
20
ns
tw(SYNCOUT)
Sync output pulse width
8tc(SCO)
cycles
td(PWM)tza
Delay time, trip input active to PWM forced high
no pin load
25
ns
Delay time, trip input active to PWM forced low
td(TZ-PWM)HZ
Delay time, trip input active to PWM Hi-Z
20
ns
6.10.2 Trip-Zone Input Timing
A.
TZ - TZ1, TZ2, TZ3, TZ4, TZ5, TZ6
B.
PWM refers to all the PWM pins in the device. The state of the PWM pins after TZ is taken high depends on the PWM
recovery software.
Figure 6-16. PWM Hi-Z Characteristics
Table 6-21. Trip-Zone input Timing Requirements(1)
MIN
MAX
UNIT
tw(TZ)
Pulse duration, TZx input low
Asynchronous
1tc(SCO)
cycles
Synchronous
2tc(SCO)
cycles
With input qualifier
1tc(SCO) + tw(IQSW)
cycles
(1)
For an explanation of the input qualifier parameters, see Table 6-12.
120
Electrical Specifications
Copyright 2009–2012, Texas Instruments Incorporated
Product Folder Link(s): SM320F28335-EP
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