Single-chip 16-bit microcontroller
INTEGRATED CIRCUITS
XA-H4 Single-chip 16-bit microcontroller
Preliminary specification IC28 Data Handbook 1999 Sep 24
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Description
INTEGRATED CIRCUITS
XA-H4 Single-chip 16-bit microcontroller
Preliminary specification IC28 Data Handbook 1999 Sep 24
Philips Semiconductors
Philips Semiconductors
Preliminary specification
Single-chip 16-bit microcontroller
XA-H4
DESCRIPTION
The powerful 16-bit XA CPU core and rich feature set make the XA-H3 and XA-H4 devices ideal for high-performance real-time applications such as industrial control and networking. By supporting of up to 32 MB of external memory, these devices provide a low-cost solution to embedded applications of any complexity. Features like DMA, memory controller and four advanced USARTs help solve I/O intensive tasks with a minimum of CPU load. The XA-H3 feature set is a subset of the XA-H4 (see Table 1). The XA-H3/H4 devices are members of the Philips XA (eXtended Architecture) family of high performance 16-bit microcontrollers. The XA-H3 and XA-H4 are designed to significantly minimize the need for external components.
FEATURES
Large Memory Support De-multiplexed Address/Data Bus Six Programmable Chip Selects
– Support for Unified Memory – allows easy user modification of all code – External ISP Flash support for easy code download
Dynamic Bus Timing – each of 6 chip selects has individual
programmable bus timing.
32 Programmable General Purpose I/O Pins Four USARTs with 230.4 kbps capability Eight DMA Channels
Dynamic Bus Sizing – each of 6 Chip Selects can be programmed
for 8-bit or 16-bit bus.
ADDITIONAL XA-H4 FEATURE...
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