msm6577 Oki Optical Components, msm6577 Datasheet

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msm6577

Manufacturer Part Number
msm6577
Description
Operatable 0.9v Built-in Driver 4-bit Microcontroller
Manufacturer
Oki Optical Components
Datasheet
E2E0022-27-Y3
¡ Semiconductor
¡ Semiconductor
MSM6577-xx
Operatable at 0.9V and Built-in LCD Driver 4-Bit Microcontroller
GENERAL DESCRIPTION
The MSM6577 is a 4-bit microcontroller that is fabricated in OKI's low-voltage CMOS technology,
enabling operation at 0.9 V. This device incorporates LCD drivers, 8-bit synchronous serial
ports, and a buzzer output circuit. The MSM6577 is optimized for remote-control microcontroller
applications that are portable and battery powered.
FEATURES
• Operating range
• Memory space
• Minimum instruction execution time
• I/O port
• Serial port
• LCD drivers
• Halt release timers
• External interrupt
• Buzzer output
• Clock
• Power supply voltage
• Packageoptions:
Operating frequency
Operating voltage
Operating temperature
Duty and frame frequency are selectable by the mask options.
1/3 duty, 1/3 bias
1/2 duty, 1/3 bias
Timer frequency is selectable by the mask options.
Oscillation starts at 0.9 V.
Input-output port
Input only port
Output only port
56-pin plastic QFP (QFP56-P-910-0.65-K)
56-pin plastic QFP (QFP56-P-910-0.65-2K)
Chip
1.5 V operation
3.0 V operation
ROM
RAM
(Product name : MSM6577 -¥¥GS-K)
(Product name : MSM6577 -¥¥GS-2K)
: 32.768 kHz
: MSM6577K/N/S/U
: MSM6577L/C/D/E
: –20 to +70 C
: 1536 words ¥ 17 bits
: 128 words ¥ 4 bits
: 61 ms
: 1 port ¥ 4 bits
: 1 port ¥ 4 bits
: 1 port ¥ 4 bits
: 8-bit clock synchronous type
: 28
: Up to 75 segments
: Up to 52 segments
: 4
: 4
: 1
: 32.768 kHz crystal oscillator
: 1.5 V/3.0 V (selectable by mask
¥¥ indicates the code number.
indicates the option code.
(See Mask Option List.)
option)
(See Mask Option List)
Previous version: Mar. 1996
This version: Jan. 1998
MSM6577-xx
1/22

Related parts for msm6577

msm6577 Summary of contents

Page 1

... Operatable at 0.9V and Built-in LCD Driver 4-Bit Microcontroller GENERAL DESCRIPTION The MSM6577 is a 4-bit microcontroller that is fabricated in OKI's low-voltage CMOS technology, enabling operation at 0.9 V. This device incorporates LCD drivers, 8-bit synchronous serial ports, and a buzzer output circuit. The MSM6577 is optimized for remote-control microcontroller applications that are portable and battery powered ...

Page 2

PAGE P2.3 P2.2 HRQSER EHRSER P2.1 P2.0 SERIAL HALT RELEASE P1.3 P1.2 P1.1 P1.0 P0.3 P0.2 P0.1 HRQTMR EHRTMR P0.0 HALT RELEASE TIMER TMOUT TIME BASE COUNTER XT OSC XTB SYSTEM CLOCK GENERATOR S-Bus RAM 128¥4 bits FLAG WORK ADRS ...

Page 3

... SEG3 4 SEG4 5 SEG5 6 SEG6 7 SEG7 8 SEG8 9 SEG9 10 SEG10 11 SEG11 12 SEG12 13 SEG13 14 * Pin provided only when a 56-pin flat package is used. DD NC: No-connection pin 56-Pin Plastic QFP MSM6577-xx 42 SEG27 41 SEG26 40 SEG25 39 SEG24 38 SEG23 37 SEG22 36 SEG21 35 SEG20 34 SEG19 33 SEG18 32 SEG17 31 SEG16 30 SEG15 29 SEG14 3/22 ...

Page 4

... SEG0 to O Liquid crystal display driving pins SEG27 * 3.0 V operation ...... 1.5 V operation ...... Description P1.0 External P1.1 Interrupt P1.2 ports P1.3 P2.0 P2.1 to P2.3 SS2 SS1 MSM6577-xx Circuit A — B SCLK Serial clock pin C Serial input pin SIN B Serial output pin SOUT D — (mask option — — ...

Page 5

... CMOS inverter (Internal logic) 3-state CMOS buffer (Internal logic) I/O switching signal Pull-down control signal V DD Pull-up control signal CMOS inverter (Internal logic Pull-down control signal V SS MSM6577- power supply specification SS 3.0 V operation ... SS2 1.5 V operation ... SS1 ...

Page 6

... D. Output port Output port, BD pin DD Pull-up control signal CMOS inverter (Internal logic 3-state CMOS buffer SCLK V SS Serial output control signal Pull-down control signal V SS CMOS inverter CMOS inverter V SS MSM6577-xx (Internal logic) (SOUT) Output switching control signal (Internal logic) 6/22 ...

Page 7

... CMOS inverter SS ROM Option (normally connected) CMOS Inverter Constants R =approximately =approximately =approximately MSM6577-xx (Internal Logic) (Internal logic) (Internal logic) 7/22 ...

Page 8

... Semiconductor I. LCD driver SS1 SS2 SS3 MSM6577-xx (Internal logic) 8/22 ...

Page 9

... Semiconductor ABSOLUTE MAXIMUM RATINGS (MSM6577K/77N/77S/77U) 1.5 V operation •Backup flag (BUF)="0" The input of the constant voltage circuit corresponds to the output of the voltage converter (V ). SS2 Parameter Symbol Power Supply Voltage 1 V SS1 Power Supply Voltage 2 V SS2 Power Supply Voltage 3 V SS3 ...

Page 10

... MSM6577K: System reset by a "H" level with a pull-down resistor MSM6577N: System reset by a "H" level without a pull-down resistor MSM6577S: System reset by a "L" level with a pull-up resistor MSM6577U: System reset by a "L" level without a pull-up resistor =–3 =–4 ...

Page 11

... Semiconductor ABSOLUTE MAXIMUM RATINGS (MSM6577K/N/S/U) 1.5 V operation •Backup flag (BUF)="1" The input of the constant voltage circuit corresponds to the output of the battery (V Parameter Symbol Power Supply Voltage 1 V SS1 Power Supply Voltage 2 V SS2 Power Supply Voltage 3 V SS3 Input Voltage ...

Page 12

... MSM6577K: System reset by a "H" level with a pull-down resistor MSM6577N: System reset by a "H" level without a pull-down resistor MSM6577S: System reset by a "L" level with a pull-up resistor MSM6577U: System reset by a "L" level without a pull-up resistor =–3 =–4 ...

Page 13

... Semiconductor ABSOLUTE MAXIMUM RATINGS (MSM6577L/C/D/E) 3.0 V operation •Backup flag (BUF)="0" The input of the constant voltage circuit corresponds to the output of the voltage converter (V ). SS1 Parameter Symbol Power Supply Voltage 1 V SS1 Power Supply Voltage 2 V SS2 Power Supply Voltage 3 V SS3 ...

Page 14

... MSM6577L: System reset by a "H" level with a pull-down resistor MSM6577C: System reset by a "H" level without a pull-down resistor MSM6577D: System reset by a "L" level with a pull-up resistor MSM6577E: System reset by a "L" level without a pull-up resistor =–3.0 V (Battery Voltage), V =–4 ...

Page 15

... Semiconductor ABSOLUTE MAXIMUM RATINGS (MSM6577L/C/D/E) 3.0 V operation •Backup flag (BUF)="1" The input of the constant voltage circuit corresponds to the output of the battery (V Parameter Symbol Supply Voltage 1 V SS1 Supply Voltage 2 V SS2 Supply Voltage 3 V SS3 Input Voltage V IN Output Voltage 1 *2 ...

Page 16

... MSM6577L: System reset by a "H" level with a pull-down resistor MSM6577C: System reset by a "H" level without a pull-down resistor MSM6577D: System reset by a "L" level with a pull-up resistor MSM6577E: System reset by a "L" level without a pull-up resistor =–3.0 V (Battery Voltage), V =–4 ...

Page 17

... Semiconductor MASK OPTION LIST The device names for the MSM6577-xx are differentiated as follows, depending on the combination of a power supply voltage and RESET pin function. No. Battery 1 1.5 V operation 2 1.5 V operation 3 1.5 V operation 1.5 V operation 4 5 3.0 V operation 6 3.0 V operation 7 3.0 V operation 8 3.0 V operation RESET Pin Function System reset by a " ...

Page 18

... V is applied to the input of the constant-voltage circuit. Figures show the internal status depending on the backup flag settings for the battery, as well as status features. Voltage Backup flag converter (BUF) Constant voltage circuit VR * The V pin is provided for the devices that contain an SS3 LCD driver. MSM6577-xx Internal XT logic XTAL XTB EE 18/22 ) ...

Page 19

... Internal logic Operating range Current consumption Feature VR * When the software duty is about 5% MSM6577-xx The battery level V is applied to the input of the SS1 constant voltage circuit. –0.9 to –1.75 V 1.5 mA* When the battery level is powered down, the internal circuit is powered directly by the battery. ...

Page 20

... Internal logic Operating range Current consumption Feature VR * When the software duty is about 5% MSM6577-xx A doubled level applied to the input of the SS1 constant voltage circuit. –1.8 to –3.5 V 0.75 mA* When the battery level is powered down, a smaller operating voltage margin is gained, compared to the case of Figure 3 ...

Page 21

... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM6577-xx (Unit : mm) Package material Epoxy resin ...

Page 22

... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM6577-xx (Unit : mm) Package material Epoxy resin ...

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