Datasheet > 7549

7549

更新时间： 2024-11-30 03:07:51

品牌	Logo	应用领域
瑞萨 - RENESAS		计算机
页数	文件大小	规格书
73页	1290K
描述
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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数据手册

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7549 数据手册

PRELIMINARY

Notice: This is not a final specification.

Some parametric limits are subject to change.

7549 Group

REJ03B0202-0200

Rev.2.00

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Mar 05, 2007

DESCRIPTION

• Serial interface............................................................ 8-bit × 1

(UART or clock synchronous)

• A/D converter............................ 10-bit resolution × 8-channel

• Clock generating circuit ..................................... Built-in type

(connect to external ceramic resonator or quartz-crystal oscillator,

32 kHz quartz-crystal oscillation available)

• High-speed on-chip oscillator ............................ Typ. : 4 MHz

• Low-speed on-chip oscillator .......................... Typ. : 250 kHz

• Watchdog timer ...................................................... 16-bit × 1

• Power-on reset circuit.......................................... Built-in type

• Low voltage detection circuit.............................. Built-in type

• Power source voltage

The 7549 Group is the 8-bit microcomputer based on the 740

family core technology.

The 7549 Group has an 8-bit timer, 16-bit timer, serial interface,

A/D converter, power-on reset circuit and the low voltage

detection circuit. Also, the Function set ROM is equipped.

FEATURES

• Basic machine-language instructions ..................................71

• The minimum instruction execution time ................... 0.25 µs

(at 8 MHz oscillation frequency, double-speed mode)

• Memory size

IN oscillation frequency

ROM ................................... 2 K, 4K, 6 K bytes

(at ceramic resonator, in double-speed mode)

RAM ........................................... 192/256 bytes

At 8 MHz ........................................ 4.5 to 5.5 V

• Programmable I/O ports

At 2 MHz ........................................ 2.4 to 5.5 V

At 1 MHz ........................................ 2.2 to 5.5 V

I/O port............................................................19

Output port........................................................1

IN oscillation frequency

• Key-on wakeup.......................................................................8

• LED direct drive port..............................................................8

• Interrupts ............................................. 13 sources, 13 vectors

• Timers ....................................................................... 8-bit × 2

..................................................................................16-bit × 1

• Output compare ........................................................ 3 channel

• Input capture ............................................................. 1 channel

(at ceramic resonator, in high-speed mode

)

At 8 MHz ........................................ 4.0 to 5.5 V

At 4 MHz ........................................ 2.4 to 5.5 V

At 1 MHz ........................................ 1.8 to 5.5 V

High-speed on-chip oscillator oscillation frequency

At 4 MHz......................................... 4.0 to 5.5 V

Low-speed on-chip oscillator oscillation frequency

At 250 kHz (typ. value at VCC = 5V)....1.8 to 5.5 V

• Power dissipation ........................................................ 30 mW

• Operating temperature range ............................... -20 to 85°C

APPLICATION

Office automation equipment, factory automation equipment,

home electric appliances, consumer electronics, etc.

Rev.2.00 Mar 05, 2007 Page 1 of 70

REJ03B0202-0200

12 3 4 5 6 7...73

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与7549相关器件

型号	品牌	获取价格	描述	数据表
7549_0710	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7549_09	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
75491DCQM	FAIRCHILD	获取价格	Display Driver, 4-Segment, BIPolar, CDIP14,
75491DMQB	FAIRCHILD	获取价格	Display Driver, 4-Segment, BIPolar, CDIP14,
75492	MOLEX	获取价格	1.85 by 1.85mm (.073 by .073”) Pitch GbX* Bac
75492-1022	MOLEX	获取价格	1.85mm by 1.85mm (.073 by .073) Pitch 2-Pair
75492-1023	MOLEX	获取价格	1.85mm by 1.85mm (.073 by .073") Pitch 2-Pair
75492-1025	MOLEX	获取价格	1.85mm by 1.85mm (.073 by .073) Pitch 2-Pair
75492-1033	MOLEX	获取价格	1.85mm by 1.85mm (.073 by .073) Pitch 2-Pair
75492-1035	MOLEX	获取价格	1.85mm by 1.85mm (.073 by .073") Pitch 2-Pair

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