3U Turbo CPU Board for UMAC Turbo and Turbo Stack
6
Board Configuration
The flash memory IC is located in U10. This IC forms the non-volatile memory for the board’s firmware,
the user setup variables, and for user programs, tables, and buffers. It can be 1M x 8, 2M x 8, or 4M x 8
in capacity.
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Option 5C0 is the standard CPU and memory configuration. It is provided automatically if no Option
5xx is specified. It provides an 80 MHz CPU (120 MHz PMAC equivalent), 128k x24 of
compiled/assembled program memory, 128k x 24 of user data memory; and a 1M x 8 flash memory.
•
Option 5C1 provides an 80 MHz CPU (120 MHz PMAC equivalent), 128k x 24 of
compiled/assembled program memory, an expanded 512k x 24 of user data memory, and a 2M x 8
flash memory.
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Option 5C2 provides an 80 MHz CPU (120 MHz PMAC equivalent), an expanded 512k x 24 of
compiled/assembled program memory, 128k x 24 of user data memory, and a 2M x 8 flash memory.
•
Option 5C3 provides an 80 MHz CPU (120 MHz PMAC equivalent), an expanded 512k x 24 of
compiled/assembled program memory, an expanded 512k x 24 of user data memory, and a 4M x 8
flash memory. Check factory for availability of this option.
•
Option 5D0 provides a 100 MHz CPU (150 MHz PMAC equivalent), 128k x24 of
compiled/assembled program memory, 128k x 24 of user data memory; and a 1M x 8 flash memory.
•
Option 5D1 provides a 100 MHz CPU (150 MHz PMAC equivalent), 128k x 24 of
compiled/assembled program memory, an expanded 512k x 24 of user data memory, and a 2M x 8
flash memory.
•
Option 5D2 provides a 100 MHz CPU (150 MHz PMAC equivalent), an expanded 512k x 24 of
compiled/assembled program memory, 128k x 24 of user data memory, and a 2M x 8 flash memory.
•
Option 5D3 provides a 100 MHz CPU (150 MHz PMAC equivalent), an expanded 512k x 24 of
compiled/assembled program memory, an expanded 512k x 24 of user data memory, and a 4M x 8
flash memory. Check factory for availability of this option.
Option 8: High-Accuracy Clock Crystal
The 3U Turbo CPU board has a clock crystal (component Y1) of nominal frequency 19.6608 MHz (~20
MHz). The standard crystal’s accuracy specification is +/-100 ppm.
•
Option 8A provides a nominal 19.6608 MHz crystal with a +/-15 ppm accuracy specification.
Option 9: Serial Port Configuration
The 3U Turbo CPU board comes standard with a single RS-232/422 serial port. A second serial port can
be added.
•
Option 9T adds an auxiliary RS-232 port on the CPU board. The key components added are IC U22
and connector J8 on the CPU board.
Option 10: Firmware Revision Specification
Normally the 3U Turbo CPU board is provided with the newest released firmware revision. Some users
may wish to freeze their designs on an older revision. A label on the U10 flash memory IC shows the
firmware revision loaded at the factory. The
VERSION
command can be used to report what firmware
revision is currently installed.
•
Option 10 provides for a user-specified firmware version.
Option 16: Battery-Backed Parameter Memory
The contents of the standard memory are not retained through a power-down or reset unless they have
been saved to flash memory first. Option 16 provides supplemental battery-backed RAM for real-time
parameter storage that is ideal for holding machine state parameters in case of an unexpected power-
down. The battery is located at component BT1.
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