PXAS37KBA datasheet(2/52 Pages) PHILIPS

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Philips Semiconductors

Preliminary specification

XA-S3

XA 16-bit microcontroller

32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage (2.7 V–5.5 V),

I2C, 2 UARTs, 16 MB address range

2000 Dec 01

GENERAL DESCRIPTION

The XA-S3 device is a member of Philips Semiconductors’ XA

(eXtended Architecture) family of high performance 16-bit

single-chip microcontrollers.

The XA-S3 device combines many powerful peripherals on one

chip. With its high performance A/D converter, timers/counters,

watchdog, Programmable Counter Array (PCA), I2C interface, dual

UARTs, and multiple general purpose I/O ports, it is suited for

general multipurpose high performance embedded control functions.

Specific features of the XA-S3

• 2.7 V to 5.5 V operation.

• 32 K bytes of on-chip EPROM/ROM program memory.

• 1024 bytes of on-chip data RAM.

• Supports off-chip addressing up to 16 megabytes (24 address

lines). A clock output reference is added to simplify external bus

interfacing.

• High performance 8-channel 8-bit A/D converter with automatic

channel scan and repeated read functions. Completes a

conversion in 4.46 microseconds at 30 MHz. Alternate operating

mode allows 10-bit conversion results.

• Three standard counter/timers with enhanced features. All timers

have a toggle output capability.

• Watchdog timer.

• 5-channel 16-bit Programmable Counter Array (PCA).

• I2C-bus serial I/O port with byte-oriented master and slave

functions.

• Two enhanced UARTs with independent baud rates.

• Seven software interrupts.

• Active low reset output pin indicates all reset occurrences

(external reset, watchdog reset and the RESET instruction). A

reset source register allows program determination of the cause of

the most recent reset.

• 50 I/O pins, each with 4 programmable output configurations.

• 30 MHz operating frequency at 2.7–5.5 V V

DD.

• Power saving operating modes: Idle and Power-down. Wake-up

from power-down via an external interrupt is supported.

• 68-pin PLCC and 80-pin PQFP packages.

ORDERING INFORMATION

ROMless

ROM

EPROM

TEMPERATURE RANGE (

°C)

AND PACKAGE

FREQ.

(MHz)

DRAWING

NUMBER

PXAS30KBA

PXAS33KBA

PXAS37KBA

OTP

0 to +70, Commercial

68-pin Plastic Leaded Chip Carrier

SOT188-3

PXAS30KBBE

PXAS33KBBE

PXAS37KBBE

OTP

0 to +70, Commercial

80-pin Plastic Low Profile Quad Flat Pack

SOT315-1

PXAS30KFA

PXAS33KFA

PXAS37KFA

OTP

–40

°C to +85°C, Industrial 68-pin Plastic

Leaded Chip Carrier

SOT188-3

PXAS30KFBE

PXAS33KFBE

PXAS37KFBE

OTP

–40

°C to +85°C, Industrial 80-pin Plastic Low

Profile Quad Flat Pack

SOT315-1

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