| |
| Optimized 32-Bit 486-Class Controllers with On-Chip
Peripherals for Embedded Systems |
| Data Bus Width |
32-bit |
| Level 1 Cache |
1 KB Instruction |
| Supported Memory |
16 MB Physical, within the bottom 128 MB addressable.
4 GB Addressable. |
| Other common features |
- Intel486 instruction set compatible (protected mode only) with optimized performance
- Industry standard interrupt controller, timers, and real
time clock
- UART with IrDA v1.0 (Infrared Data Association)
port
- Protected WATCHDOG™ timer
- Optimized DRAM controller (Supports two banks, up to
8 MBytes each)
- Up to nine versatile, programmable chip selects
- Glueless interface to ISA-type peripherals
- Arbitration support for auxiliary processor
- Flexible, programmable, multilevel power saving modes
maximize power savings
|
|
| |
NS486SXF |
Vcc
TA
Package |
5V ± 5%
0°C - +70°C
160—pin PQFP |
| Features: |
- Intel 82365 compatible PCMCIA interface
- Four external DMA channels (max. transfer rate of 25 MByte/sec @ 25 MHz) support many transfer modes
- High performance IEEE 1284 (ECP) Bidirectional Parallel Port
- MICROWIRE™/MICROWIRE/PLUS™/Access.bus synchronous
serial interfaces
- LCD Controller for monochrome supertwist Liquid Crystal Displays up to 480 x 320
- Reconfigurable I/O: Up to 29 I/O pins can be used as
general purpose bidirectional I/O lines
|
| Core Speed |
25MHz |
| NS486SXF-25 |
 |
|
|
NS486SXL |
Vcc
TA
Package |
5V ± 5%
0°C - +70°C
132—pin PQFP |
| Features: |
- Up to eight external interrupts directly supported, and
additional interrupt expansion through an external PIC
interface
- Support for External Bus Masters, allowing them to
access DRAM and on-chip Peripherals
- MICROWIRE™/Access.bus synchronous serial
interfaces
- Reconfigurable I/O: Up to 28 I/O pins can be used as
general purpose bidirectional I/O lines
- Programming model compatible with the NS486SXF
where possible
|
| Core Speed |
25MHz |
NS486SXL-25 |
|
|