DS80C320-ECD DALLAS [Dallas Semiconductor], DS80C320-ECD Datasheet - Page 154
DS80C320-ECD
Manufacturer Part Number
DS80C320-ECD
Description
High-Speed Microcontroller User Guide
Manufacturer
DALLAS [Dallas Semiconductor]
Datasheet
1.DS80C320-ECD.pdf
(175 pages)
- Current page: 154 of 175
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High-Speed Microcontroller User’s Guide
Note that an address of 11110000 will reach only microcontroller 1. An address of 11110001 will reach
both microcontroller 1 and microcontroller 2. An address of 11110010 will reach only microcontroller 3.
The microcontroller will also match on any address that corresponds to the Broadcast Address. This is
the logical OR of the SADDR and SADEN registers, with any 0s defined as don’t cares. In most cases,
the Broadcast Address will be FFh.
The multiprocessor communication is always enabled. However, the SADEN registers default to 00h,
which means all address bits are don’t care, so all match. Thus if no multiprocessor communication is
used, these registers can be ignored.
The Timer 2 interrupt is automatically disabled when either RCLK or TCLK is set. Also, the TF2
(TCON.7) flag will not be set on a timer rollover. The manual reload pin, T2EX (P1.1), will not cause a
reload either.
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