HT9580 datasheet(7/63 Pages) HOLTEK

7 / 63 page

A.C. Characteristics

Ta=25°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max. Unit

VDD Conditions

fOSC1

Main Clock (RC OSC)

76.8

1000

2000

kHz

DOSC1

Main Clock Duty Cycle

fX1

Pager Clock Input (Crystal OSC) 3V

32.768

76.8

153.6

kHz

tRESET

RESET Input Pulse Width

¾¾

Functional Description

Memory map

HT9580

April 28, 2000

Preliminary

I / O and D a t a S pac e

60 B y t e s

M e s s age B u f f e r

46 B y t e s

G l obal D at a M e m o r y

336 B y t e s

S t a cks

48 B y t e s

G l obal D at a M e m o r y

512 B y t e s

0000 H

003B H

0040 H

006D H

0080 H

01C F H

01D 0 H

01F F H

0200 H

03F F H

I n t e r nal / E x t er nal

C har ac t e r R O M

8 K b y t es

I n t e r nal / E x t er nal

SR AM

8 K b y t es

P r ogr am R O M S pac e

28 K B y t es

P r ogr am R O M S pac e

1637 8 B y t e s

NM I - L

NM I - H

RE S E T - L

RE S E T - H

IR Q - L

IR Q - H

1000 H

2 F FFH

3000 H

4 F FFH

5000 H

B FFF H

C 000H

FF FA H

FF FB H

FF FC H

FF FD H

FF FE H

FF FF H

I n t e r nal

C har ac t e r R O M

S pac e

( B ank 0 )

8 K b y t es

1000 H

2 F FFH

B ank 0~ B ank 3 1 ( 2 M b i t s )

Ex t e r n a l

C har ac t e r R O M

S pac e

( B ank 0 )

8 K b y t es

1000 H

2 F FFH

B ank 0~ B ank 3 1 ( 2 M b i t s )

I n t e r nal

SR AM

S pac e

( B ank 0 )

8 K b y t es

3000 H

4 F FFH

B ank 0~ B ank 3 ( 3 2 K B y t es )

Ex t e r n a l

SR AM

S pac e

( B ank 0 )

8 K b y t es

3000 H

4 F FFH

B ank 0~ B ank 3 1 ( 2 56 K B y t es )

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