Motorola DSP56309 User Manual page 33

DSP56309 Overview
Manual Organization
Section 5ÑGeneral-Purpose I/O
Ð DSP56309 general-purpose input/output (GPIO) capability and the
programming model for the GPIO signals (operation, registers, and control)
Section 6ÑHost Interface (HI08)
Ð 8-bit host interface (HI08), including a quick reference to the HI08
programming model
Section 7ÑEnhanced Synchronous Serial Interface (ESSI)
Ð 24-bit ESSI, which provides two identical full duplex UART-style serial ports
for communications with devices such as codecs, DSPs, microprocessors, and
peripherals implementing the Motorola serial peripheral interface (SPI)
Section 8ÑSerial Communication Interface (SCI)
Ð 24-bit SCI, a full duplex serial port for serial communication to DSPs,
microcontrollers, or other peripherals (such as modems or other RS-232
devices)
Section 9ÑTriple Timer Module
Ð The three identical internal timers/event counter devices
Section 10ÑOn-Chip Emulation Module
Ð The On-Chip Emulation (OnCEª) module, which is accessed through the
JTAG port
Section 11ÑJTAG Port
Ð Specifics of the Joint Test Action Group (JTAG) port on the DSP56309
Appendix AÑBootstrap Programs
Ð Bootstrap code used for the DSP56309
Appendix BÑEquates
Ð Equates (I/O, HI08, SCI, ESSI, exception processing, timer, DMA, PLL, BIU,
and interrupts) for the DSP56309
Appendix CÑDSP56309 BSDL Listing
Ð BSDL listing for the DSP56309
Appendix DÑProgramming Reference
Ð Peripheral addresses, interrupt addresses, and interrupt priorities for the
DSP56309
Ð Programming sheets listing the contents of the major DSP56309 registers for
programmerÕs reference
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