PXAS30 datasheet(9/52 Pages) PHILIPS

9 / 52 page

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

MNEMONIC

NAME AND FUNCTION

TYPE

PIN NUMBER

MNEMONIC

NAME AND FUNCTION

TYPE

LQFP

PLCC

P5.0 – P5.7

23–30

17–20,

22–25

I/O

Port 5: Port 5 is an 8-bit I/O port with a user-configurable output type. Port 5 latches have

1s written to them and are configured in the quasi-bidirectional mode during reset. The

operation of Port 5 pins as inputs and outputs depends upon the port configuration

selected. Each port pin is configured independently. Refer to the section on I/O port

configuration and the DC Electrical Characteristics for details.

Port 5 also provides various special functions as described below. Port 5 pins used as A/D

inputs must be configured by the user to the high impedance mode.

AD0 (P5.0):

A/D channel 0 input.

AD1 (P5.1):

A/D channel 1 input.

AD2 (P5.2):

A/D channel 2 input.

AD3 (P5.3):

A/D channel 3 input.

AD4 (P5.4):

A/D channel 4 input.

AD5 (P5.5):

A/D channel 5 input.

I/O

AD6/SCL (P5.6):

A/D channel 6 input. I2C serial clock input/output.

I/O

AD7/SDA (P5.7):

A/D channel 7 input. I2C serial data input/output.

P6.0 – P6.7

43, 44

40, 41

I/O

Port 6: Port 6 is a 2-bit I/O port with a user-configurable output type. Port 6 latches have

1s written to them and are configured in the quasi-bidirectional mode during reset. The

operation of Port 6 pins as inputs and outputs depends upon the port configuration

selected. Each port pin is configured independently. Refer to the section on I/O port

configuration and the DC Electrical Characteristics for details.

Port 6 also provides special functions as described below:

A22 (P6.0):

Address bit 22 of the external address bus.

A23 (P6.1):

Address bit 23 of the external address bus.

Table 1. Special Function Registers

SFR

BIT FUNCTIONS AND ADDRESSES

Reset

NAME

DESCRIPTION

Address

MSB

LSB

Value

3F7

3F6

3F5

3F4

3F3

3F2

3F1

3F0

ADCON#*

A/D control register

43E

–

ADRES

ADMOD

ADSST

ADINT

00h

3FF

3FE

3FD

3FC

3FB

3FA

3F9

3F8

ADCS#*

A/D channel select register

43F

ADCS7

ADCS6

ADCS5

ADCS4

ADCS3

ADCS2

ADCS1

ADCS0

00h

ADCFG#

A/D timing configuration

4B9

–

A/D Timing Configuration

0Fh

ADRSH0#

A/D high byte result, channel 0

4B0

ADRSH1#

A/D high byte result, channel 1

4B1

ADRSH2#

A/D high byte result, channel 2

4B2

ADRSH3#

A/D high byte result, channel 3

4B3

ADRSH4#

A/D high byte result, channel 4

4B4

ADRSH5#

A/D high byte result, channel 5

4B5

ADRSH6#

A/D high byte result, channel 6

4B6

ADRSH7#

A/D high byte result, channel 7

4B7

ADRSL#

Two LSBs of 10-bit A/D result

4B8

BCR#

Bus configuration register

46A

–

CLKD

WAITD

BUSD

BC2

BC1

BC0

Note 1

BTRH

Bus timing register high byte

469

DW1

DW0

DWA1

DWA0

DR1

DR0

DRA1

DRA0

FFh

BTRL

Bus timing register low byte

468

WM1

WM0

ALEW

–

CR1

CR0

CRA1

CRA0

EFh

2D7

2D6

2D5

2D4

2D3

2D2

2D1

2D0

CCON#*

PCA counter control

41A

–

CCF4

CCF3

CCF2

CCF1

CCF0

00h

CMOD#

PCA mode control

490

CIDL

WDTE

–

CPS1

CPS0

ECF

00h

CH#

PCA counter high byte

48B

00h

CL#

PCA counter low byte

48A

00h

CCAPM0#

PCA module 0 mode

491

–

ECOM0

CAPP0

CAPN0

MAT0

TOG0

PWM0

ECCF0

00h

CCAPM1#

PCA module 1 mode

492

–

ECOM1

CAPP1

CAPN1

MAT1

TOG1

PWM1

ECCF1

00h

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