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Part Number: MSM6546
Description: MSM6546/6546L is a 4-bit, low-power microcontroller manufactured in a CMOS silicon gate process. The m...
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MSM6546
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DataSheet
General Description
MSM6546 General Description
MSM6546/6546L is a 4-bit, low-power microcontroller manufactured in a CMOS silicon gate process. The microcontroller can be initialized and operated at the low supply voltage of 0.9 V.This device contains a crystal oscillator circuit, voltage converter circuits, a time base counter,a ROM, a RAM, a stack RAM, I/O ports, interrupt function components, a serial I/O port, a buzzer output circuit, an up/down counter, and LCD drivers.
This IC can be driven by one battery and is well suited to products that need to be operated with low power consumption.
MSM6546 Maximum Ratings
|
Parameter |
Symbol |
Condition |
Rating |
Unit |
| Power Supply Voltage (1) |
VSS1
|
Ta = 25°C |
4.0 to +0.3 |
V |
| Power Supply Voltage (2) |
VSS2 |
7.0 to +0.3 | ||
| Power Supply Voltage (3) |
VSS3 |
7.0 to +0.3 | ||
| Input Voltage |
VIN |
VSS1 0.3 to +0.3 | ||
| Output Voltage (1)*1,*2 |
VO1 |
VSS1 0.3 to +0.3 | ||
| Output Voltage (2) *2 |
VO2 |
VSS2 0.3 to +0.3 | ||
| Output Voltage (3) *2 |
VO3 |
VSS3 0.3 to +0.3 | ||
| Storage Temperature |
TSTG |
- |
55 to +150 |
°C |
*2 LCD driver output
Note: The input of the constant voltage circuit is equal to the output of the voltage converter (VSS2).
MSM6546 Features
• The IC can be initialized and operated even at a low voltage of 0.9 V.
• Low power consumption
• ROM : 4096 words * 17 bits
• RAM : 256 words * 4 bits
• I/O port
Input/output port : 7 ports * 4 bits
Input port : 1 port * 4 bits
• Interrupt functions (real-time interrupt, external interrupt, and serial interrupt)
• Serial I/O port : 8-bit sync communication
• Buzzer output circuit
• 4-bit decimal up/down counter
• 54 LCD drivers (up to 200 segments can be displayed)
• 75 instructions
• Minimum instruction execution time : 61 s
• Operation under single 1.5 V power supply (MSM6546)
A mask option allows the 3 V power supply to be used (MSM6546L).
• Built-in 32.768 kHz crystal oscillator circuit
• Package:
100-pin plastic QFP (QFP100-P-1420-0.65-BK)
: (Product name : MSM6546-xxGS-BK, MSM6546L-xxGS-BK)
Chip
** indicates a code number
• Low power consumption
• ROM : 4096 words * 17 bits
• RAM : 256 words * 4 bits
• I/O port
Input/output port : 7 ports * 4 bits
Input port : 1 port * 4 bits
• Interrupt functions (real-time interrupt, external interrupt, and serial interrupt)
• Serial I/O port : 8-bit sync communication
• Buzzer output circuit
• 4-bit decimal up/down counter
• 54 LCD drivers (up to 200 segments can be displayed)
• 75 instructions
• Minimum instruction execution time : 61 s
• Operation under single 1.5 V power supply (MSM6546)
A mask option allows the 3 V power supply to be used (MSM6546L).
• Built-in 32.768 kHz crystal oscillator circuit
• Package:
100-pin plastic QFP (QFP100-P-1420-0.65-BK)
: (Product name : MSM6546-xxGS-BK, MSM6546L-xxGS-BK)
Chip
** indicates a code number
MSM6546 Connection Diagram
MSM6546
PDF/DataSheet Download
- Datasheet: MSM6546
- File Size: 122162 KB
- Manufacturer: OKI
- Click here to Download
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