參數(shù)資料
型號： M37549G1FP
廠商： Renesas Technology Corp.
英文描述： 32K x 8 Static RAM; Density: 256 Kb; Organization: 32Kb x 8; Vcc (V): 4.5 to 5.5 V;
中文描述： 單芯片8位CMOS微機
文件頁數(shù)： 1/73頁
文件大?。?/td> 1272K
代理商： M37549G1FP
Rev.2.00
REJ03B0202-0200
Mar 05, 2007
Page 1 of 70
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
DESCRIPTION
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
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............................................................19
Output port........................................................1
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
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
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
= 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.
7549 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0202-0200
Rev.2.00
Mar 05, 2007
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相關代理商/技術參數(shù)
參數(shù)描述
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