ST6285BQ6/XXX datasheet, PDF - EEWORLD Datasheet

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ST6285BQ6/XXX: Description8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP80, PLASTIC, QFP-80; CategoryThe embedded processor and controller Microcontrollers and processors; File Size869KB，78 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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ST6285BQ6/XXX Overview

8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP80, PLASTIC, QFP-80

ST6285BQ6/XXX Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	QFP
package instruction	PLASTIC, QFP-80
Contacts	80
Reach Compliance Code	compliant
Has ADC	YES
Other features	OPERATES AT 3V MINIMUM SUPPLY AT 2MHZ
Address bus width
bit size	8
CPU series	ST6200
maximum clock frequency	8 MHz
DAC channel	NO
DMA channel	NO
External data bus width
JESD-30 code	R-PQFP-G80
JESD-609 code	e4
length	20 mm
Number of I/O lines	12
Number of terminals	80
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
PWM channel	NO
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Encapsulate equivalent code	QFP80,.7X.9,32
Package shape	RECTANGULAR
Package form	FLATPACK
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3/5 V
Certification status	Not Qualified
RAM (bytes)	192
rom(word)	7948
ROM programmability	MROM
Maximum seat height	3.4 mm
speed	8 MHz
Maximum slew rate	7 mA
Maximum supply voltage	6 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	HCMOS
Temperature level	INDUSTRIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	14 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER

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ST62T85B/E85B

8-BIT OTP/EPROM MCU WITH LCD DRIVER,

EEPROM AND A/D CONVERTER

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3.0 to 6.0V Supply Operating Range

8 MHz Maximum Clock Frequency

-40 to +85°C Operating Temperature Range

Run, Wait and Stop Modes

5 Interrupt Vectors

Look-up Table capability in Program Memory

Data Storage in Program Memory:

User selectable size

Data RAM: 192 bytes

Data EEPROM: 128 bytes

User Programmable Options

12 I/O pins, fully programmable as:

– Input with pull-up resistor

– Input without pull-up resistor

– Input with interrupt generation

– Open-drain or push-pull output

– Analog Input

4 I/O lines can sink up to 20mA to drive LEDs or

TRIACs directly

One

8-bit

Timer/Counter

with

7-bit

programmable prescaler

One 8-bit Autoreload Timer/Counter with 7-bit

programmable prescaler and output compare

Digital Watchdog

8-bit A/D Converter with 8 analog inputs

8-bit Synchronous Peripheral Interface (SPI)

8-bit Asynchronous Peripheral Interface (UART)

LCD driver with 40 segment outputs, 8

backplane outputs, 8 software selectable

segment/backplane outputs and selectable

multiplexing ratio.

On-chip Clock oscillator can be driven by Quartz

Crystal or Ceramic resonator

One external Non-Maskable Interrupt

ST6285-EMU2 Emulation and Development

System (connects to an MS-DOS PC via a

parallel port).

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CQFP80W

(See end of Datasheet for Ordering Information)

DEVICE SUMMARY

DEVICE

ST62T85B

ST62E85B

OTP

(Bytes)

EPROM EEPROM

(Bytes)

(Bytes)

-

7948

128

128

7948

LCD

display

8 x 48

or 16 x 40

8 x 48

or 16 x 40

Rev. 2.6

July 2001

1/78

1

Table of Contents

Document

Page

ST62T85B/E85B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 PIN DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3 MEMORY MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.3.2 Program Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.3.3 Data Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.3.4 Stack Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.3.5 Data Window Register (DWR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.3.6 Data RAM/EEPROM and LCD RAM Bank Register (DRBR) . . . . . . . . . . . . . . . . . . 13

1.3.7 EEPROM Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.4 PROGRAMMING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.4.1 Option Byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4.2 Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4.3 EEPROM Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4.4 EPROM Erasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 CENTRAL PROCESSING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2 CPU REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3 CLOCKS, RESET, INTERRUPTS AND POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . 19

3.1 CLOCK SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.1.1 Main Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.2 RESETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.2.1 RESET Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.2 Power-on Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.3 Watchdog Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.4 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.5 MCU Initialization Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3 DIGITAL WATCHDOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3.1 Digital Watchdog Register (DWDR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.3.2 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.4 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.4.1 Interrupt request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.4.2 Interrupt Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.4.3 Interrupt Option Register (IOR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.4.4 Interrupt sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.5 POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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3.5.1 WAIT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.5.2 STOP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.5.3 Exit from WAIT and STOP Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 ON-CHIP PERIPHERALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1 I/O PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.1 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

78

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..

4.1.2 Safe I/O State Switching Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.3 SPI alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Table of Contents

Document

Page

4.1.4 UART alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.5 I/O Port Option Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.6 I/O Port Data Direction Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.7 I/O Port Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2 TIMER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.1 Timer Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.2 Timer Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.3 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.4 Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3 AUTO-RELOAD TIMER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3.1 AR Timer Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3.2 Timer Auto-reload Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3.3 AR Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4 U. A. R. T. (UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER) . . . . . . . . . . .

4.4.1 PORTS INTERFACING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4.2 CLOCK GENERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4.3 DATA TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4.4 DATA RECEPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4.5 INTERRUPT CAPABILITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4.6 REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5 A/D CONVERTER (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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4.5.1 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

4.6 SERIAL PERIPHERAL INTERFACE (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4.7 LCD CONTROLLER-DRIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

4.7.1 Multiplexing ratio and frame frequency setting . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.7.2 Segment and common plates driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.7.3 Stand by or STOP operation mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.7.4

LCD Mode Control Register (LCDCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 SOFTWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1 ST6 ARCHITECTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2 ADDRESSING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

5.3 INSTRUCTION SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

6.1 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

6.2 RECOMMENDED OPERATING CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

6.3 DC ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

6.4 AC ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

6.5 A/D CONVERTER CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

6.6 TIMER CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

6.7 SPI CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

6.8 LCD ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

7 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

7.1 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

7.2

PACKAGE THERMAL CHARACTERISTIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

7.3 .ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

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ST6285BQ6/XXX Related Products

	ST6285BQ6/XXX	ST6285BQ1/XXX
Description	8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP80, PLASTIC, QFP-80	8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP80, PLASTIC, QFP-80
Is it Rohs certified?	conform to	conform to
Maker	STMicroelectronics	STMicroelectronics
Parts packaging code	QFP	QFP
package instruction	PLASTIC, QFP-80	PLASTIC, QFP-80
Contacts	80	80
Reach Compliance Code	compliant	compliant
Has ADC	YES	YES
Other features	OPERATES AT 3V MINIMUM SUPPLY AT 2MHZ	OPERATES AT 3V MINIMUM SUPPLY AT 2MHZ
bit size	8	8
CPU series	ST6200	ST6200
maximum clock frequency	8 MHz	8 MHz
DAC channel	NO	NO
DMA channel	NO	NO
JESD-30 code	R-PQFP-G80	R-PQFP-G80
JESD-609 code	e4	e4
length	20 mm	20 mm
Number of I/O lines	12	12
Number of terminals	80	80
Maximum operating temperature	85 °C	70 °C
PWM channel	NO	NO
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	QFP	QFP
Encapsulate equivalent code	QFP80,.7X.9,32	QFP80,.7X.9,32
Package shape	RECTANGULAR	RECTANGULAR
Package form	FLATPACK	FLATPACK
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED
power supply	3.3/5 V	3.3/5 V
Certification status	Not Qualified	Not Qualified
RAM (bytes)	192	192
rom(word)	7948	7948
ROM programmability	MROM	MROM
Maximum seat height	3.4 mm	3.4 mm
speed	8 MHz	8 MHz
Maximum slew rate	7 mA	7 mA
Maximum supply voltage	6 V	6 V
Minimum supply voltage	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V
surface mount	YES	YES
technology	HCMOS	HCMOS
Temperature level	INDUSTRIAL	COMMERCIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING	GULL WING
Terminal pitch	0.8 mm	0.8 mm
Terminal location	QUAD	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED
width	14 mm	14 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER	MICROCONTROLLER

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