HMS91C8032 datasheet(7/157 Pages) HYNIX

7 / 157 page

HMS91C8032/97C8032

NOV., 2001 Ver 1.02

P5.0

P5.1

P5.2

P5.3

P5.4

P5.5

P5.6

P5.7

TxD

RxD

SCK1

SO1

SI1

SCK2

SO2

SI2

8-bit general purpose bidirectional

Input and output mode selected by

8-bit Port Mode Register.

In Input mode, pin can use on-chip

pullup resister by software.

TxD, RxD : Asynchronous serial

data pin

SI1, SI2, SO1, SO2 : Synchronous

serial data pin

SCK1, SCK2 : Clock pin for Syn-

chronous serial data

Input

P6.0

P6.1

P6.2

P6.3

P6.4

P6.5

P6.6

P6.7

8-bit general purpose bidirectional

Input and Output mode selected by

8-bit Port Mode Register.

In Input mode, pin can use on-chip

pullup resister by software.

Input

TstEn

Ground

This pin is oniy ground.

Chip test pin

GND

Avref+

A/D converter reference voltage input pin

In AD converter, signal from ANI0 ~ ANI7 change to digital signal by refer-

ence between AVref+ and VSS.

P7.0

P7.1

P7.2

P7.3

P7.4

P7.5

P7.6

P7.7

ANI0

ANI1

ANI2

ANI3

ANI4

ANI5

ANI6

ANI7

8-bit general purpose bidirectional

Input and output mode selected by

8-bit Port Mode Register.

In Input mode, pin can use on-chip

pullup resister by software.

A/D converter 8-channel analog

input pin

If pin is not used by A/D converter

input, can use to general-purpose

bidirectional pin.

Input voltage in ANI0 - ANI7 is

between Avref+ and VSS.

Input

AMIFC

AM IF input pin

FMIFC

FM IF input pin

VCOH

FM band VCO frequency input pin

VCOL

AM band VCO frequency input pin

Error output pin in PLL part (charge pump output)

If tuning freq. = VCO freq., EO pin is floating.

If tuning freq. > VCO freq., EO pin is high.

If tuning freq. = VCO freq., EO pin is low.

RESET

Chip reset pin. Reset is active high.

Xin

Crystal oscillator input pin for main system clock

Xout

Main system clock output pin

Xtin

Crystal oscillator input pin for Sub system clock

Xtout

Sub system clock output pin

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