atam893-d ATMEL Corporation, atam893-d Datasheet

atam893-d

Manufacturer Part Number

atam893-d

Description

Atam893-d Flash Version For Atar080, Atar090/890 And Atar092/892

Manufacturer

ATMEL Corporation

Datasheet

1.ATAM893-D.pdf (98 pages)

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Features

•

Description

The ATAM893-D is the Multiple Times Programmable (MTP) version for the MARC4

ROM types ATAR080, ATAR090/890 and ATAR092/892. The MTP is designed with

EEPROM cells so it can be programmed several times. To offer full compatibility with

each ROM version, the I/O configuration is stored into a separate internal EEPROM

block during programming. The configuration is downloaded to the I/Os with every

power-on reset.

Figure 0-1.

Extended Temperature Range for Very High Temperature up to 125°C

4-Kbyte EEPROM Program Memory

EEPROM Programmable Options

Read Protection for the EEPROM Program Memory

16 Bi-directional I/Os

Up to Seven External/Internal Interrupt Sources

Eight Hardware and Software Interrupt Priorities

Multifunction Timer/Counter with Prescaler/Interval Timer

Programmable System-clock with Prescaler and Five Different Clock

Sources

Wide Supply Voltage Range (1.8 V to 6.5 V)

Very Low Sleep Current (< 1 µA)

256

Synchronous Serial Interface (2-wire, 3-wire)

Watchdog, POR and Brown-out Function

Voltage Monitoring Inclusive Lo_BAT Detect

Multi-chip Link for U3280M

512-bit EEPROM Data Memory

BP20/NTE

4-bit RAM Data Memory

BP10

BP13

BP21

BP22

BP23

Block Diagram

Brown-out protect.

Port 1

Voltage monitor

External input

RESET

BP40

INT3

VMI

Data direction +

alternate function

BP41

T2I

VMI

Port 4

BP42

T2O

BP43

INT3

EEPROM

oscillators

4 K x 8 bit

BP50

4-bit CPU core

INT6

Data direction +

interrupt control

MARC4

Clock management

BP51

INT6

Port 5

OSC1

BP52

INT1

256 x 4 bit

oscillators

RAM

Crystal

BP53

I/O bus

INT1

OSC2

Data direction +

alternate function

BP60

T3O

clock input

External

Port 6

BP63

T3I

and demodulator

with modulator

Serial interface

with modulator

watchdog timer

8/12-bit timer

2 x 32 x 16 bit

interval- and

timer/counter

EEPROM

Timer 1

Timer 2

UTCM

Timer 3

8-bit

SSI

T2O

T3O

T3I

T2I

Flash Version

for ATAR080,

ATAR090/890

and

ATAR092/892

ATAM893-D

Rev. 4680C–4BMCU–01/05

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