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| 型号： | TMR320C2812PBKA |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | 圆形连接器 |
| 英文描述： | Circular Connector; No. of Contacts:100; Series:D38999; Body Material:Composite; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:23-35 |
| 中文描述： | TMS320R2811，TMS320R2812数字信号处理器 |
| 文件页数： | 57/147页 |
| 文件大小： | 2021K |
| 代理商： | TMR320C2812PBKA |
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Peripherals
57
June 2004
SPRS257
Change of the PWM pulse widths within and after each PWM period as needed
External-maskable power and drive-protection interrupts
Pulse-pattern-generator circuit, for programmable generation of asymmetric, symmetric, and four-space
vector PWM waveforms
Minimized CPU overhead using auto-reload of the compare and period registers
The PWM pins are driven to a high-impedance state when the PDPINTx pin is driven low and
after
PDPINTx signal qualification. The PDPINTx pin (after qualification) is reflected in bit 8 of the COMCONx
register.
PDPINTA pin status is reflected in bit 8 of COMCONA register.
PDPINTB pin status is reflected in bit 8 of COMCONB register.
EXTCON register bits provide options to individually trip control for each PWM pair of signals
4.2.7
Capture Unit
The capture unit provides a logging function for different events or transitions. The values of the selected GP
timer counter is captured and stored in the two-level-deep FIFO stacks when selected transitions are detected
on capture input pins, CAPx (x = 1, 2, or 3 for EVA; and x = 4, 5, or 6 for EVB). The capture unit consists of
three capture circuits.
Capture units include the following features:
One 16-bit capture control register, CAPCONx (R/W)
One 16-bit capture FIFO status register, CAPFIFOx
Selection of GP timer 1/2 (for EVA) or 3/4 (for EVB) as the time base
Three 16-bit 2-level-deep FIFO stacks, one for each capture unit
Three capture input pins (CAP1/2/3 for EVA, CAP4/5/6 for EVB)—one input pin per capture unit. [All
inputs are synchronized with the device (CPU) clock. In order for a transition to be captured, the input
must hold at its current level to meet the input qualification circuitry requirements. The input pins
CAP1/2 and CAP4/5 can also be used as QEP inputs to the QEP circuit.]
User-specified transition (rising edge, falling edge, or both edges) detection
Three maskable interrupt flags, one for each capture unit
The capture pins can also be used as general-purpose interrupt pins, if they are not used for the
capture function.
4.2.8
Quadrature-Encoder Pulse (QEP) Circuit
Two capture inputs (CAP1 and CAP2 for EVA; CAP4 and CAP5 for EVB) can be used to interface the on-chip
QEP circuit with a quadrature encoder pulse. Full synchronization of these inputs is performed on-chip.
Direction or leading-quadrature pulse sequence is detected, and GP timer 2/4 is incremented or decremented
by the rising and falling edges of the two input signals (four times the frequency of either input pulse).
With EXTCONA register bits, the EVA QEP circuit can use CAP3 as a capture index pin as well. Similarly, with
EXTCONB register bits, the EVB QEP circuit can use CAP6 as a capture index pin.
4.2.9
External ADC Start-of-Conversion
EVA/EVB start-of-conversion (SOC) can be sent to an external pin (EVASOC/EVBSOC) for external ADC
interface. EVASOC and EVBSOC are MUXed with T2CTRIP and T4CTRIP, respectively.
A
相关PDF资料 |
PDF描述 |
|---|---|
| TMR320R2812PBKQ | TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320R2812PBKS | TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320R2812PGFA | TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320R2812PGFQ | TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320R2812PGFS | TMS320R2811, TMS320R2812 Digital Signal Processors |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TMR320C2812PBKQ | 制造商:TI 制造商全称:Texas Instruments 功能描述:TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320C2812PBKS | 制造商:TI 制造商全称:Texas Instruments 功能描述:TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320C2812PGFA | 制造商:TI 制造商全称:Texas Instruments 功能描述:TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320C2812PGFQ | 制造商:TI 制造商全称:Texas Instruments 功能描述:TMS320R2811, TMS320R2812 Digital Signal Processors |
| TMR320C2812PGFS | 制造商:TI 制造商全称:Texas Instruments 功能描述:TMS320R2811, TMS320R2812 Digital Signal Processors |
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