RDC
®
RISC DSP Communication
R1122I
16-BIT RISC MICROCONTROLLER
1.
Features
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Support 64kx16, 128kx16, 256kx16 EDO or FP DRAM
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Five-stages pipeline
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RISC architecture
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Static Design & Synthesizable design
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Integrate PLL(*1~*8)
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Maximum frequency is 40MHz, External bus,
Internal bus and core are in the same clock base
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Bus interface
- Multiplexed address and Data bus
- Supports direct address bus [A19: A0]
- 8-bit or 16-bit external bus dynamic access
- 1M byte memory address space
- 64K byte I/O space
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Software is compatible with generic 80C186
microprocessor
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Support two Asynchronous serial channels with
hardware handshaking signals.
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Support CPU ID
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Supports 32 PIO pins
with auto-refresh control
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Three independent 16-bit timers and one independent
programmable watchdog timer
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The Interrupt controller with seven maskable
external interrupts and one non-maskable external
interrupt(NMI)
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Two independent DMA channels
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The I/O pin output is 3.3 volt level and the input
is 3.3 volt to 5 volt tolerance
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3.3V operation voltage
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Programmable chip-select logic for Memory or
I/O bus cycle decoder
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Programmable wait-state generator
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Boot ROM bus size with 8-bit or 16-bit
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A green product
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Package Type
- PQFP100 pins & LQFP100 pins
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
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REV
1.0
Jun.13 2006
RDC [ RDC SEMICONDUCTOR ]
