7549中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書
7549規(guī)格書詳情
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 μs
(at 8 MHz oscillation frequency, double-speed mode)
? Memory size
ROM ..................................... 2K, 4K, 6K 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 ............................................. 12 sources, 12 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
XIN 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
XIN 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 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.
產品屬性
- 型號:
7549
- 制造商:
RENESAS
- 制造商全稱:
Renesas Technology Corp
- 功能描述:
Standard Characteristics
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
ITT |
2020+ |
DIP |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
FAIRCHILD/仙童 |
23+ |
NA/ |
3315 |
原裝現(xiàn)貨,當天可交貨,原型號開票 |
詢價 | ||
MOLEX |
2022+ |
connector |
756000 |
專注軍用/航空連接器,十五年優(yōu)質供應商! |
詢價 | ||
Amphenol/安費諾 |
24+ |
20682 |
原廠現(xiàn)貨渠道 |
詢價 | |||
TI |
DIP |
608900 |
原包原標簽100%進口原裝常備現(xiàn)貨! |
詢價 | |||
YAZAKI/矢崎 |
22+ |
SMD |
518000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
TI/TEXAS |
23+ |
DIP |
8931 |
詢價 | |||
- |
21+ |
- |
95 |
原裝現(xiàn)貨假一賠十 |
詢價 | ||
FSC |
22+23+ |
DIP-14 |
9314 |
絕對原裝正品全新進口深圳現(xiàn)貨 |
詢價 | ||
FCS |
24+ |
DIP |
2987 |
只售原裝自家現(xiàn)貨!誠信經營!歡迎來電! |
詢價 |