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XA-H4

Single-chip 16-bit microcontroller

Philips Electronics 

Philips Semiconductors

Single-chip 16-bit microcontroller

Preliminary specification

XA-H4

Table 1. XA-H3 and XA-H4 features comparison

Feature

Maximum External Memory

(Harvard Memory Mode)

Maximum External Memory

(Unified Memory Mode)

Memory Controller supports both Harvard and Unified architectures

De-multiplexed Address/Data Bus

DRAM Controller

DMA Channels

Dynamic Bus Sizing

Dynamic Bus Timing

Programmable Chip Selects

General Purpose IO Pins

Potential Interrupt Pins

Interrupts (programmable priority)

Two Counter/Timers plus Watchdog

Baud Rate Generators1

Serial Ports

Maximum Serial Data Rates

Match Characters

Hardware Autobaud

NOTE:

1. Can be used as additional counters if not needed as BRGs.

XA-H3

6 MB

6 MB

Yes

Yes

No

8

Yes

Yes

6

33

16

7 Standard SW

4 High Priority SW

9 Hardware Event

Yes

4

4 UARTs

asynch to 230.4 kbps (no sync)

No

No

XA-H4

32 MB

(16 MB Code, 16 MB Data)

16 MB

Yes

Yes

Yes

8

Yes

Yes

6

33

16

7 Standard SW

4 High Priority SW

9 Hardware Event

Yes

4

4 USARTs

asynch to 230.4 kbps

sync to 1 Mbps

4 async chars per USART

up to 230.4 kbps

ORDERING INFORMATION

ROMless Only

Temperature range °C and Package

H4 = PXAH40KFBE –40 to +85°C, 100-Pin Low Profile Quad Flat Package (LQFP)

NOTE

K=30 MHz, F = (–40 to +85), BE = LQFP

Freq (MHz)

30

Package Drawing Number

SOT407-1

1999 Sep 24

3

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