Texas-instruments Digital Signal Processor SM320F2812-HT Instrukcja Użytkownika Pobierz pdf (Strona 37)

SM320F2812-HT

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SGUS062B– JUNE 2009– REVISED JUNE 2011

3.4 Device Emulation Registers

These registers are used to control the protection mode of the C28x CPU and to monitor some critical

device signals. The registers are defined in Table 3-7.

Table 3-7. Device Emulation Registers

NAME ADDRESS RANGE SIZE (×16) DESCRIPTION

0x00 0880

DEVICECNF 2 Device Configuration Register

0x00 0881

reserved 0x00 0882 1 Not supported on Revision C and later silicon

Device ID Register (0x0003 – Silicon – Rev. C and D)

DEVICEID 0x00 0883 1 Device ID Register (0x0004 – Reserved)

Device ID Register (0x0005 – Silicon – Rev. E)

PROTSTART 0x00 0884 1 Block Protection Start Address Register

PROTRANGE 0x00 0885 1 Block Protection Range Address Register

0x00 0886

reserved 378

0x00 09FF

3.5 External Interface, XINTF

This section gives a top-level view of the external interface (XINTF) that is implemented on the F2812

device.

The external interface is a non-multiplexed asynchronous bus, similar to the C240x external interface. The

external interface on the F2812 is mapped into five fixed zones shown in Figure 3-3.

Figure 3-3 shows the F2812 XINTF signals.

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Texas-instruments Digital Signal Processor SM320F2812-HT Instrukcja Użytkownika Strona 37