MSM6546

更新时间： 2024-09-30 10:45:19

品牌	Logo	应用领域
冲电气 - OKI		微控制器驱动
页数	文件大小	规格书
16页	142K
描述
Operatable at 0.9 V and Built-in LCD Driver 4-Bit Microcontroller

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数据手册

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MSM6546 数据手册

E2E0020-38-95

This version: Sep. 1998

Previous version: Mar. 1996

¡ Semiconductor

MSM6546/6546L

¡ Semiconductor

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.

This IC can 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

• RAM

• I/O port

: 4096 words ¥ 17 bits

: 256 words ¥ 4 bits

Input/output port

Input port

: 7 ports ¥ 4 bits

: 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

12 3 4 5 6 7...16

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