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Description
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single- chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for high-volume, low-cost applications. The XA family provides an upward compatibility path for 80C51 users who need higher performance and 64k or more of program memory. Existing 80C51 code can also easily be translated to run on XA microcontrollers.
Specifications and features
The XA architecture supports:
- Upward compatibility with the 80C51 architecture
- 16-bit fully static CPU with a 24-bit program and data address range
- Eight 16-bit CPU registers each capable of performing all arithmetic and logic operations as well as acting as memory pointers. Operations may also be performed directly to memory.
- Both 8-bit and 16-bit CPU registers, each capable of performing all arithmetic and logic operations.
- An enhanced instruction set that includes bit intensive logic operations and fast signed or unsigned 16 × 16 multiply and 32 / 16 divide
- Instruction set tailored for high level language support
- Multi-tasking and real-time executives that include up to 32 vectored interrupts, 16 software traps, segmented data memory, and banked registers to support context switching
- Low power operation, which is intrinsic to the XA architecture, includes power-down and idle modes.
Specific features of the XA-G3:
- 20-bit address range, 1 megabyte each program and data space. (Note that the XA architecture supports up to 24 bit addresses.)
- 2.7V to 5.5V operation (EPROM and OTP are 5V ± 5%)
- 32K bytes on-chip EPROM/ROM program memory = XA-G37/XA-G33
- 512 bytes of on-chip data RAM
- Three counter/timers with enhanced features (equivalent to 80C51 T0, T1, and T2)
- Watchdog timer
- Two enhanced UARTs
- Four 8-bit I/O ports with 4 programmable output configurations
- 44-pin PLCC and 44-pin LQFP packages
Application Scenarios
This electronic component model, P51XAG37KBB, can be used in various high performance embedded applications that require a 16-bit single-chip microcontroller. It is particularly suitable for applications that need higher performance and 64k or more of program memory. Additionally, it is a cost-effective option for high-volume, low-cost applications.
Comparison
Advantages- Powerful and capable of handling the requirements of high performance embedded applications
- Upward compatibility with the 80C51 architecture, allowing for easy translation of existing 80C51 code
- Supports a wide range of features, including multi-tasking and real-time executives, low power operation, and an enhanced instruction set
- Offers 1 megabyte each program and data space
- Includes multiple counter/timers, enhanced UARTs, and programmable I/O ports
Disadvantages- Limited to 44-pin PLCC and 44-pin LQFP packages, which may not be suitable for certain applications
- Does not support higher power supply voltages above 5.5V
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Similar parts: 430483 , Click to view
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Datasheet
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Additional Information
- Datasheet: Download P51XAG37KBB
- Chipdatas Part: CD93-P51XAG37KBB
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 14:44 +0800
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