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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320LC2401AVFS датащи(PDF) 51 Page - Texas Instruments |
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TMS320LC2401AVFS датащи(HTML) 51 Page - Texas Instruments |
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51 / 134 page  TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A DSP CONTROLLERS SPRS145K − JULY 2000 − REVISED AUGUST 2005 51 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 controller area network (CAN) module The CAN module is a full-CAN controller designed as a 16-bit peripheral module and supports the following features: D CAN specification 2.0B (active) − Standard data and remote frames − Extended data and remote frames D Six mailboxes for objects of 0- to 8-byte data length − Two receive mailboxes, two transmit mailboxes − Two configurable transmit/receive mailboxes D Local acceptance mask registers for mailboxes 0 and 1 and mailboxes 2 and 3 D Configurable standard or extended message identifier D Programmable bit rate D Programmable interrupt scheme D Readable error counters D Self-test mode − In this mode, the CAN module operates in a loop-back fashion, receiving its own transmitted message. The CAN module is a 16-bit peripheral. The accesses are split into the control/status-registers accesses and the mailbox-RAM accesses. CAN peripheral registers: The CPU can access the CAN peripheral registers only using 16-bit write accesses. The CAN peripheral always presents full 16-bit data to the CPU bus during read cycles. CAN controller architecture Figure 13 shows the basic architecture of the CAN controller through this block diagram of the CAN Peripherals. Temporary Receive Buffer Data ID CAN Module Control Logic CPU Interface/ Memory Management Unit CAN Core Control/Status Registers Interrupt Logic Control Bus Acceptance Filter Transmit Buffer RAM 48x16 CANTX CAN Transceiver Matchid CPU mailbox 0 mailbox 1 mailbox 2 mailbox 3 mailbox 4 mailbox 5 R R T/R T/R T T CANRX Figure 13. CAN Module Block Diagram |
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