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STMicroelectronics Electronic Components Datasheet

ST9040 Datasheet

16K ROM HCMOS MCU

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® ST9040
16K ROM HCMOS MCU
WITH EEPROM, RAM AND A/D CONVERTER
Register oriented 8/16 bit CORE with
RUN, WFI and HALT modes
Minimum instruction cycle time : 500ns
(12MHz internal)
Internal Memory :
ROM
16K bytes
RAM
256 bytes
EEPROM
512 bytes
224 general purpose registers available as RAM,
accumulators or index registers (register file)
80-pin PQFP package for ST9040Q
68-lead PLCC package for ST9040C
DMA controller, Interrupt handler and Serial Pe-
ripheral Interface as standard features
Up to 56 fully programmable I/O pins
Up to 8 external plus 1 non-maskableinterrupts
16 bit Timer with 8 bit Prescaler, able to be used
as a WatchdogTimer
Two 16 bit Multifunction Timers, each with an 8
bit prescaler and 13 operating modes
8 channel 8 bit Analog to Digital Converter, with
Analog Watchdogs and external references
Serial Communications Interface with asynchro-
nous and synchronous capability
Rich Instruction Set and 14 Addressingmodes
Division-by-Zero trap generation
Versatile developmenttools, including assembler,
linker, C-compiler, archiver, graphic oriented de-
buggerand hardware emulators
Real Time Operating System
Windowed and One Time Programmable EPROM
parts available for prototyping and pre-production
development phases
Pin to pin compatible with ST9036
PQFP80
PLCC68
(Ordering Information at the end of the Datasheet)
February 1997
1/56


STMicroelectronics Electronic Components Datasheet

ST9040 Datasheet

16K ROM HCMOS MCU

No Preview Available !

www.DataSheet4U.com
TABLE OF CONTENTS
ST9040 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 I/O Port Alternate Functions . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.2 EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.2.2 EEPROM Programming Procedure . . . . . . . . . . . . . . . . . .
1.3.2.3 Parallel Programming Procedure . . . . . . . . . . . . . . . . . . .
1.3.2.4 EEPROM Programming Voltage . . . . . . . . . . . . . . . . . . .
1.3.2.5 EEPROM Programming Time . . . . . . . . . . . . . . . . . . . . .
1.3.2.6 EEPROM Interrupt Management . . . . . . . . . . . . . . . . . . .
1.3.2.7 EEPROM Control Register . . . . . . . . . . . . . . . . . . . . . .
1.3.3 REGISTER MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
5
6
6
10
10
10
10
11
11
11
11
11
12
12
2 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ST90E40 / ST90T40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 I/O PORT ALTERNATE FUNCTIONS . . . . . . . . . . . . . . . . . . . .
1.1 MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 EPROM PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 Eprom Erasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST90R40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 I/O PORT ALTERNATE FUNCTIONS . . . . . . . . . . . . . . . . . . . .
1.3 MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
38
39
39
42
42
42
49
51
52
52
55
2/56
®


Part Number ST9040
Description 16K ROM HCMOS MCU
Maker STMicroelectronics
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ST9040 Datasheet PDF






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