Rainbow Electronics DS33M33 - Manual (Page 17)

___________________________________________________ DS33M30/M31/M33 ABRIDGED DATA SHEET
Rev: 111908 17 of 20
• Clocks can be used for LIU, jitter attenuator, and DS3 desynchronizer reference clocks and STS-1 transmit
clocks on per port basis
• Output four derived clocks for external component use, if needed
• Meets jitter and wander transmission clock requirements.
• Transmit (outbound) line/tributary LIU signals using internal CLAD meet Telcordia (DS3) and ITU (E3) jitter
and wander requirements
1.10 SPI Serial Microprocessor Features
• Operation up to 10Mbps
• Burst mode for multibyte read and write accesses
• Programmable clock polarity and phase
• Half-duplex operation gives option to connect SDI and SDO together externally to reduce wire count
1.11 Parallel Microprocessor Interface (DS33M31 and DS33M33 Only)
• Multiplexed or nonmultiplexed address bus modes
• 8-bit or 16-bit data bus modes
• Intel and Motorola bus compatible
• Ready handshake output signal
• Global reset input pin
• Global interrupt output pin
• Two programmable I/O pins per port
1.12 Test and Diagnostics
• IEEE 1149.1 JTAG support
• Diagnostic loopbacks