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Part Number: MSM6545L
Description: MSM6545/6575/6545L/6575L is a 4-bit, low-power microcontroller manufactured in a CMOS silicon gate pro...
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MSM6545L
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DataSheet
General Description
MSM6545L General Description
MSM6545/6575/6545L/6575L is a 4-bit, low-power microcontroller manufactured in a CMOS silicon gate process. The microcontroller can be initialized and operated at a low supply voltage of 0.9 V.
This single 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, and an updown counter.
This IC is driven by one battery and is well suited to products that need to be operated under low power consumption.
MSM6545L Maximum Ratings
|
Rating |
Symbol |
Condition |
Rating |
Unit |
| Power Supply Voltage |
VDD |
Ta = 25°C
|
6.0 to +0.3 |
V
|
| Input Voltage |
VI |
VSS1 0.3 to +0.3 | ||
| Output Voltage |
VOUT |
VSS1 0.3 to +0.3
| ||
| Storage Temperature |
TSTG |
- |
55 to +150 |
°C |
MSM6545L 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 (MSM6545/6545L)
2048 words × 17 bits (MSM6575/6575L)
• RAM : 256 words × 4 bits (MSM6545/6545L)
128 words × 4 bits (MSM6575/6575L)
• 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 updown counter
• 73 instructions
• Minimum instruction execution time : 61 ms
• Operation under single 1.5 V power supply (MSM6545/6575)
A mask option allows the 3 V power supply to be used (MSM6545L/6575L)
• Built-in 32.768 kHz crystal oscillator circuit
• Package options:
44-pin plastic QFP (QFP44-P-910-0.80-K) : (Product name : MSM6545/6545L-××GS-K)
44-pin plastic QFP (QFP44-P-910-0.80-2K) : (Product name : MSM6545/6545L-××GS-2K)
44-pin plastic QFP (QFP44-P-910-0.80-K) : (Product name : MSM6575/6575L-××GS-K)
44-pin plastic QFP (QFP44-P-910-0.80-2K) : (Product name : MSM6575/6575L-××GS-2K)
Chip
×× indicates a code number.
• Low power consumption
• ROM : 4096 words × 17 bits (MSM6545/6545L)
2048 words × 17 bits (MSM6575/6575L)
• RAM : 256 words × 4 bits (MSM6545/6545L)
128 words × 4 bits (MSM6575/6575L)
• 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 updown counter
• 73 instructions
• Minimum instruction execution time : 61 ms
• Operation under single 1.5 V power supply (MSM6545/6575)
A mask option allows the 3 V power supply to be used (MSM6545L/6575L)
• Built-in 32.768 kHz crystal oscillator circuit
• Package options:
44-pin plastic QFP (QFP44-P-910-0.80-K) : (Product name : MSM6545/6545L-××GS-K)
44-pin plastic QFP (QFP44-P-910-0.80-2K) : (Product name : MSM6545/6545L-××GS-2K)
44-pin plastic QFP (QFP44-P-910-0.80-K) : (Product name : MSM6575/6575L-××GS-K)
44-pin plastic QFP (QFP44-P-910-0.80-2K) : (Product name : MSM6575/6575L-××GS-2K)
Chip
×× indicates a code number.
MSM6545L Connection Diagram
MSM6545L
PDF/DataSheet Download
- Datasheet: MSM6545L
- File Size: 129115 KB
- Manufacturer: OKI
- Click here to Download
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