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M38857MA-XXXHP中文资料PDF规格书
M38857MA-XXXHP规格书详情
GENERAL DESCRIPTION
The 3885 group is the 8-bit microcomputer based on the 740 family core technology.
The 3885 group is designed for Keyboard Controller for the note book PC.
The multi-master I2C-bus interface can be added by option.
FEATURES
● Basic machine-language instructions ...................................... 71
● Minimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
● Memory size
ROM ................................................................. 32K to 60K bytes
RAM ............................................................... 1024 to 2048 bytes
● Programmable input/output ports ............................................ 72
● Software pull-up transistors ....................................................... 8
● Interrupts ................................................. 22 sources, 16 vectors
● Timers ............................................................................. 8-bit ✕ 4
● Watchdog timer ............................................................ 16-bit ✕ 1
● PWM output .................................................................. 14-bit ✕ 2
● Serial I/O....................... 8-bit ✕ 1(UART or Clock-synchronized)
● Multi-master I2C bus interface (option) ........................ 1 channel
● LPC interface .............................................................. 2 channels
● Serialized IRQ .................................................................. 3 factor
● A-D converter ............................................... 10-bit ✕ 8 channels
● D-A converter ................................................. 8-bit ✕ 2 channels
● Comparator circuit ...................................................... 8 channels
● Clock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
● Power source voltage ................................................ 3.0 to 3.6 V
● Power dissipation
In high-speed mode ..........................................................20 mW
(at 8 MHz oscillation frequency, at 3.3 V power source voltage)
In low-speed mode ......................................................... 330 mW
(at 32 kHz oscillation frequency, at 3.3 V power source voltage)
● Operating temperature range.................................... –20 to 85°C
● Supply voltage ................................................. VCC = 3.3 ± 0.3V
● Program/Erase voltage ................................. VPP = 5.0 V ± 10
● Programming method ...................... Programming in unit of byte
● Erasing method
Parallel I/O mode
CPU reprogramming mode
● Program/Erase control by software command
● Number of times for programming/erasing ............................ 100
● Operating temperature range (at programming/erasing)
........................................................................Room temperature
产品属性
- 型号:
M38857MA-XXXHP
- 制造商:
RENESAS
- 制造商全称:
Renesas Technology Corp
- 功能描述:
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
RENESAS/瑞萨 |
21+ |
LQFP80 |
6688 |
十年老店,原装正品 |
询价 | ||
RENESAS/瑞萨 |
21+ |
LQFP-80 |
5000 |
原装现货/假一赔十/支持第三方检验 |
询价 | ||
RENESAS |
2020+ |
LQFP |
5861 |
公司主营品牌,全新原装现货超低价! |
询价 | ||
MITSUMI |
20+ |
QFP |
20500 |
汽车电子原装主营-可开原型号增税票 |
询价 | ||
RENESAS |
2020+ |
QFP |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
CEM |
QFP |
13000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 | |||
MIT |
20+ |
QFP |
500 |
样品可出,优势库存欢迎实单 |
询价 | ||
RENESAS/瑞萨 |
QFP |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
RENESAS/瑞萨 |
23+ |
LQFP80 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
MIT |
2021+ |
QFP |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 |