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PDF MSM6546L Data sheet ( Hoja de datos )
| Número de pieza | MSM6546L | |
| Descripción | Operatable at 0.9 V and Built-in LCD Driver 4-Bit Microcontroller | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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E2E0020-38-95
¡ Semiconductor¡ Semiconductor
This verMsiSonM: 6S5e4p6./16959486L
Previous version: Mar. 1996
MSM6546/6546L
Operatable at 0.9 V and Built-in LCD Driver 4-Bit Microcontroller
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.
www.DataSheTeth4Uis.cIoCmcan be driven by one battery and is well suited to products that need to be operated
with low power consumption.
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 ms
• 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.
1/16
1 page  
¡ Semiconductor
MSM6546/6546L
ABSOLUTE MAXIMUM RATINGS (MSM6546, 1.5 V, BUF = "0")
Parameter
Power Supply Voltage (1)
Power Supply Voltage (2)
Power Supply Voltage (3)
Input Voltage
Output Voltage (1) *1, *2
Output Voltage (2) *2
Output Voltage (3) *2
Storage Temperature
www.DataSheet4U.com
*1 Normal output
*2 LCD driver output
Symbol
VSS1
VSS2
VSS3
VIN
VO1
VO2
VO3
TSTG
Condition
Ta = 25°C
—
Rating
–4.0 to +0.3
–7.0 to +0.3
–7.0 to +0.3
VSS1 – 0.3 to +0.3
VSS1 – 0.3 to +0.3
VSS2 – 0.3 to +0.3
VSS3 – 0.3 to +0.3
–55 to +125
Unit
V
°C
Note: The input of the constant voltage circuit is equal to the output of the voltage converter
(VSS2).
RECOMMENDED OPERATING CONDITIONS (MSM6546, 1.5 V, BUF = "0")
Parameter
Operating Voltage
Operating Temperature
Oscillation Frequency
Symbol
Vop
Top
fOSC
Condition
—
—
—
VDD = 0 V (VSS1 = battery voltage)
Range
Unit
–1.75 to –0.9
V
–20 to +70
°C
32.768
kHz
Note: The input of the constant voltage circuit is equal to the output of the voltage converter
(VSS2).
5/16
5 Page 
¡ Semiconductor
MSM6546/6546L
ABSOLUTE MAXIMUM RATINGS (MSM6546L, 3.0 V, BUF = "1")
Parameter
Power Supply Voltage (1)
Power Supply Voltage (2)
Power Supply Voltage (3)
Input Voltage
Output Voltage (1) *2
Output Voltage (2) *1, *2
Output Voltage (3) *2
Storage Temperature
www.DataSheet4U.com
*1 Normal output
*2 LCD driver output
Symbol
VSS1
VSS2
VSS3
VIN
VO1
VO2
VO3
TSTG
Condition
Ta = 25°C
—
Rating
–4.0 to +0.3
–7.0 to +0.3
–7.0 to +0.3
VSS2 – 0.3 to +0.3
VSS1 – 0.3 to +0.3
VSS2 – 0.3 to +0.3
VSS3 – 0.3 to +0.3
–55 to +125
Unit
V
°C
Note: The input of the constant voltage circuit is directly connected to the power supply (VSS2).
RECOMMENDED OPERATING CONDITIONS (MSM6546L, 3.0 V, BUF = "1")
Parameter
Operating Voltage
Operating Temperature
Oscillation Frequency
Symbol
Vop
Top
fOSC
Condition
—
—
—
VDD = 0 V (VSS2 = battery voltage)
Range
Unit
–3.5 to –0.9
V
–20 to +70
°C
32.768
kHz
Note: The input of the constant voltage circuit is directly connected to the power supply (VSS2).
11/16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet MSM6546L.PDF ] | |
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