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| 型号： | 7548 |
| 厂商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 单芯片8位CMOS微机 |
| 文件页数： | 1/73页 |
| 文件大小： | 1255K |
| 代理商： | 7548 |
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Rev.2.00
REJ03B0210-0200
Mar 15, 2007
Page 1 of 70
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
DESCRIPTION
The 7548 Group is the 8-bit microcomputer based on the 740
family core technology.
The 7548 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
μ
s
(at 8 MHz oscillation frequency, double-speed mode)
Memory size
ROM ................................... 2 K, 4K, 6 K bytes
RAM ...........................................192/256 bytes
Programmable I/O ports
I/O port............................................................15
Output port........................................................1
Key-on wakeup.......................................................................6
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
Serial interface............................................................8-bit × 1
(UART or clock synchronous)
A/D converter............................ 10-bit resolution × 6-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
X
IN
oscillation frequency
(at ceramic resonator, in double-speed mode)
At 8 MHz ........................................4.5 to 5.5 V
At 2 MHz ........................................2.4 to 5.5 V
At 1 MHz ........................................2.2 to 5.5 V
X
IN
oscillation frequency
(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 V
CC
= 5 V)
...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.
7548 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0210-0200
Rev.2.00
Mar 15, 2007
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| 7549 | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 75HQ | SCHOTTKY RECTIFIER |
| 75HQ030 | SCHOTTKY RECTIFIER |
| 75HQ035 | SCHOTTKY RECTIFIER |
| 75HQ040 | SCHOTTKY RECTIFIER |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 7548_07 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Standard Characteristics |
| 7548_0710 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 75481-001 | 功能描述:集管和线壳 BACKPANEL PINS RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector |
| 75481-002 | 功能描述:集管和线壳 BERGPIN - WITH LARGE STA-R RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector |
| 75481-004 | 功能描述:集管和线壳 BERGPIN RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector |
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